/*
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.jdbc.core;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import org.springframework.dao.DataAccessException;
import org.springframework.dao.IncorrectResultSizeDataAccessException;
import org.springframework.jdbc.support.KeyHolder;
import org.springframework.jdbc.support.rowset.SqlRowSet;
/**
* Interface specifying a basic set of JDBC operations.
* Implemented by {@link JdbcTemplate}. Not often used directly, but a useful
* option to enhance testability, as it can easily be mocked or stubbed.
*
* <p>Alternatively, the standard JDBC infrastructure can be mocked.
* However, mocking this interface constitutes significantly less work.
* As an alternative to a mock objects approach to testing data access code,
* consider the powerful integration testing support provided in the
* {@code org.springframework.test} package, shipped in
* {@code spring-test.jar}.
*
* @author Rod Johnson
* @author Juergen Hoeller
* @see JdbcTemplate
*/
public interface JdbcOperations {
//-------------------------------------------------------------------------
// Methods dealing with a plain java.sql.Connection
//-------------------------------------------------------------------------
/**
* Execute a JDBC data access operation, implemented as callback action
* working on a JDBC Connection. This allows for implementing arbitrary
* data access operations, within Spring's managed JDBC environment:
* that is, participating in Spring-managed transactions and converting
* JDBC SQLExceptions into Spring's DataAccessException hierarchy.
* <p>The callback action can return a result object, for example a
* domain object or a collection of domain objects.
* @param action the callback object that specifies the action
* @return a result object returned by the action, or {@code null}
* @throws DataAccessException if there is any problem
*/
<T> T execute(ConnectionCallback<T> action) throws DataAccessException;
//-------------------------------------------------------------------------
// Methods dealing with static SQL (java.sql.Statement)
//-------------------------------------------------------------------------
/**
* Execute a JDBC data access operation, implemented as callback action
* working on a JDBC Statement. This allows for implementing arbitrary data
* access operations on a single Statement, within Spring's managed JDBC
* environment: that is, participating in Spring-managed transactions and
* converting JDBC SQLExceptions into Spring's DataAccessException hierarchy.
* <p>The callback action can return a result object, for example a
* domain object or a collection of domain objects.
* @param action callback object that specifies the action
* @return a result object returned by the action, or {@code null}
* @throws DataAccessException if there is any problem
*/
<T> T execute(StatementCallback<T> action) throws DataAccessException;
/**
* Issue a single SQL execute, typically a DDL statement.
* @param sql static SQL to execute
* @throws DataAccessException if there is any problem
*/
void execute(String sql) throws DataAccessException;
/**
* Execute a query given static SQL, reading the ResultSet with a
* ResultSetExtractor.
* <p>Uses a JDBC Statement, not a PreparedStatement. If you want to
* execute a static query with a PreparedStatement, use the overloaded
* {@code query} method with {@code null} as argument array.
* @param sql SQL query to execute
* @param rse object that will extract all rows of results
* @return an arbitrary result object, as returned by the ResultSetExtractor
* @throws DataAccessException if there is any problem executing the query
* @see #query(String, Object[], ResultSetExtractor)
*/
<T> T query(String sql, ResultSetExtractor<T> rse) throws DataAccessException;
/**
* Execute a query given static SQL, reading the ResultSet on a per-row
* basis with a RowCallbackHandler.
* <p>Uses a JDBC Statement, not a PreparedStatement. If you want to
* execute a static query with a PreparedStatement, use the overloaded
* {@code query} method with {@code null} as argument array.
* @param sql SQL query to execute
* @param rch object that will extract results, one row at a time
* @throws DataAccessException if there is any problem executing the query
* @see #query(String, Object[], RowCallbackHandler)
*/
void query(String sql, RowCallbackHandler rch) throws DataAccessException;
/**
* Execute a query given static SQL, mapping each row to a Java object
* via a RowMapper.
* <p>Uses a JDBC Statement, not a PreparedStatement. If you want to
* execute a static query with a PreparedStatement, use the overloaded
* {@code query} method with {@code null} as argument array.
* @param sql SQL query to execute
* @param rowMapper object that will map one object per row
* @return the result List, containing mapped objects
* @throws DataAccessException if there is any problem executing the query
* @see #query(String, Object[], RowMapper)
*/
<T> List<T> query(String sql, RowMapper<T> rowMapper) throws DataAccessException;
/**
* Execute a query given static SQL, mapping a single result row to a Java
* object via a RowMapper.
* <p>Uses a JDBC Statement, not a PreparedStatement. If you want to
* execute a static query with a PreparedStatement, use the overloaded
* {@link #queryForObject(String, RowMapper, Object...)} method with
* {@code null} as argument array.
* @param sql SQL query to execute
* @param rowMapper object that will map one object per row
* @return the single mapped object
* @throws IncorrectResultSizeDataAccessException if the query does not
* return exactly one row
* @throws DataAccessException if there is any problem executing the query
* @see #queryForObject(String, Object[], RowMapper)
*/
<T> T queryForObject(String sql, RowMapper<T> rowMapper) throws DataAccessException;
/**
* Execute a query for a result object, given static SQL.
* <p>Uses a JDBC Statement, not a PreparedStatement. If you want to
* execute a static query with a PreparedStatement, use the overloaded
* {@link #queryForObject(String, Class, Object...)} method with
* {@code null} as argument array.
* <p>This method is useful for running static SQL with a known outcome.
* The query is expected to be a single row/single column query; the returned
* result will be directly mapped to the corresponding object type.
* @param sql SQL query to execute
* @param requiredType the type that the result object is expected to match
* @return the result object of the required type, or {@code null} in case of SQL NULL
* @throws IncorrectResultSizeDataAccessException if the query does not return
* exactly one row, or does not return exactly one column in that row
* @throws DataAccessException if there is any problem executing the query
* @see #queryForObject(String, Object[], Class)
*/
<T> T queryForObject(String sql, Class<T> requiredType) throws DataAccessException;
/**
* Execute a query for a result Map, given static SQL.
* <p>Uses a JDBC Statement, not a PreparedStatement. If you want to
* execute a static query with a PreparedStatement, use the overloaded
* {@link #queryForMap(String, Object...)} method with {@code null}
* as argument array.
* <p>The query is expected to be a single row query; the result row will be
* mapped to a Map (one entry for each column, using the column name as the key).
* @param sql SQL query to execute
* @return the result Map (one entry for each column, using the
* column name as the key)
* @throws IncorrectResultSizeDataAccessException if the query does not
* return exactly one row
* @throws DataAccessException if there is any problem executing the query
* @see #queryForMap(String, Object[])
* @see ColumnMapRowMapper
*/
Map<String, Object> queryForMap(String sql) throws DataAccessException;
/**
* Execute a query for a result list, given static SQL.
* <p>Uses a JDBC Statement, not a PreparedStatement. If you want to
* execute a static query with a PreparedStatement, use the overloaded
* {@code queryForList} method with {@code null} as argument array.
* <p>The results will be mapped to a List (one entry for each row) of
* result objects, each of them matching the specified element type.
* @param sql SQL query to execute
* @param elementType the required type of element in the result list
* (for example, {@code Integer.class})
* @return a List of objects that match the specified element type
* @throws DataAccessException if there is any problem executing the query
* @see #queryForList(String, Object[], Class)
* @see SingleColumnRowMapper
*/
<T> List<T> queryForList(String sql, Class<T> elementType) throws DataAccessException;
/**
* Execute a query for a result list, given static SQL.
* <p>Uses a JDBC Statement, not a PreparedStatement. If you want to
* execute a static query with a PreparedStatement, use the overloaded
* {@code queryForList} method with {@code null} as argument array.
* <p>The results will be mapped to a List (one entry for each row) of
* Maps (one entry for each column using the column name as the key).
* Each element in the list will be of the form returned by this interface's
* queryForMap() methods.
* @param sql SQL query to execute
* @return an List that contains a Map per row
* @throws DataAccessException if there is any problem executing the query
* @see #queryForList(String, Object[])
*/
List<Map<String, Object>> queryForList(String sql) throws DataAccessException;
/**
* Execute a query for a SqlRowSet, given static SQL.
* <p>Uses a JDBC Statement, not a PreparedStatement. If you want to
* execute a static query with a PreparedStatement, use the overloaded
* {@code queryForRowSet} method with {@code null} as argument array.
* <p>The results will be mapped to an SqlRowSet which holds the data in a
* disconnected fashion. This wrapper will translate any SQLExceptions thrown.
* <p>Note that, for the default implementation, JDBC RowSet support needs to
* be available at runtime: by default, Sun's {@code com.sun.rowset.CachedRowSetImpl}
* class is used, which is part of JDK 1.5+ and also available separately as part of
* Sun's JDBC RowSet Implementations download (rowset.jar).
* @param sql SQL query to execute
* @return a SqlRowSet representation (possibly a wrapper around a
* {@code javax.sql.rowset.CachedRowSet})
* @throws DataAccessException if there is any problem executing the query
* @see #queryForRowSet(String, Object[])
* @see SqlRowSetResultSetExtractor
* @see javax.sql.rowset.CachedRowSet
*/
SqlRowSet queryForRowSet(String sql) throws DataAccessException;
/**
* Issue a single SQL update operation (such as an insert, update or delete statement).
* @param sql static SQL to execute
* @return the number of rows affected
* @throws DataAccessException if there is any problem.
*/
int update(String sql) throws DataAccessException;
/**
* Issue multiple SQL updates on a single JDBC Statement using batching.
* <p>Will fall back to separate updates on a single Statement if the JDBC
* driver does not support batch updates.
* @param sql defining an array of SQL statements that will be executed.
* @return an array of the number of rows affected by each statement
* @throws DataAccessException if there is any problem executing the batch
*/
int[] batchUpdate(String... sql) throws DataAccessException;
//-------------------------------------------------------------------------
// Methods dealing with prepared statements
//-------------------------------------------------------------------------
/**
* Execute a JDBC data access operation, implemented as callback action
* working on a JDBC PreparedStatement. This allows for implementing arbitrary
* data access operations on a single Statement, within Spring's managed
* JDBC environment: that is, participating in Spring-managed transactions
* and converting JDBC SQLExceptions into Spring's DataAccessException hierarchy.
* <p>The callback action can return a result object, for example a
* domain object or a collection of domain objects.
* @param psc object that can create a PreparedStatement given a Connection
* @param action callback object that specifies the action
* @return a result object returned by the action, or {@code null}
* @throws DataAccessException if there is any problem
*/
<T> T execute(PreparedStatementCreator psc, PreparedStatementCallback<T> action) throws DataAccessException;
/**
* Execute a JDBC data access operation, implemented as callback action
* working on a JDBC PreparedStatement. This allows for implementing arbitrary
* data access operations on a single Statement, within Spring's managed
* JDBC environment: that is, participating in Spring-managed transactions
* and converting JDBC SQLExceptions into Spring's DataAccessException hierarchy.
* <p>The callback action can return a result object, for example a
* domain object or a collection of domain objects.
* @param sql SQL to execute
* @param action callback object that specifies the action
* @return a result object returned by the action, or {@code null}
* @throws DataAccessException if there is any problem
*/
<T> T execute(String sql, PreparedStatementCallback<T> action) throws DataAccessException;
/**
* Query using a prepared statement, reading the ResultSet with a
* ResultSetExtractor.
* <p>A PreparedStatementCreator can either be implemented directly or
* configured through a PreparedStatementCreatorFactory.
* @param psc object that can create a PreparedStatement given a Connection
* @param rse object that will extract results
* @return an arbitrary result object, as returned by the ResultSetExtractor
* @throws DataAccessException if there is any problem
* @see PreparedStatementCreatorFactory
*/
<T> T query(PreparedStatementCreator psc, ResultSetExtractor<T> rse) throws DataAccessException;
/**
* Query using a prepared statement, reading the ResultSet with a
* ResultSetExtractor.
* @param sql SQL query to execute
* @param pss object that knows how to set values on the prepared statement.
* If this is {@code null}, the SQL will be assumed to contain no bind parameters.
* Even if there are no bind parameters, this object may be used to
* set fetch size and other performance options.
* @param rse object that will extract results
* @return an arbitrary result object, as returned by the ResultSetExtractor
* @throws DataAccessException if there is any problem
*/
<T> T query(String sql, PreparedStatementSetter pss, ResultSetExtractor<T> rse) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a list
* of arguments to bind to the query, reading the ResultSet with a
* ResultSetExtractor.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* @param argTypes SQL types of the arguments
* (constants from {@code java.sql.Types})
* @param rse object that will extract results
* @return an arbitrary result object, as returned by the ResultSetExtractor
* @throws DataAccessException if the query fails
* @see java.sql.Types
*/
<T> T query(String sql, Object[] args, int[] argTypes, ResultSetExtractor<T> rse) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a list
* of arguments to bind to the query, reading the ResultSet with a
* ResultSetExtractor.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @param rse object that will extract results
* @return an arbitrary result object, as returned by the ResultSetExtractor
* @throws DataAccessException if the query fails
*/
<T> T query(String sql, Object[] args, ResultSetExtractor<T> rse) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a list
* of arguments to bind to the query, reading the ResultSet with a
* ResultSetExtractor.
* @param sql SQL query to execute
* @param rse object that will extract results
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @return an arbitrary result object, as returned by the ResultSetExtractor
* @throws DataAccessException if the query fails
*/
<T> T query(String sql, ResultSetExtractor<T> rse, Object... args) throws DataAccessException;
/**
* Query using a prepared statement, reading the ResultSet on a per-row
* basis with a RowCallbackHandler.
* <p>A PreparedStatementCreator can either be implemented directly or
* configured through a PreparedStatementCreatorFactory.
* @param psc object that can create a PreparedStatement given a Connection
* @param rch object that will extract results, one row at a time
* @throws DataAccessException if there is any problem
* @see PreparedStatementCreatorFactory
*/
void query(PreparedStatementCreator psc, RowCallbackHandler rch) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* PreparedStatementSetter implementation that knows how to bind values
* to the query, reading the ResultSet on a per-row basis with a
* RowCallbackHandler.
* @param sql SQL query to execute
* @param pss object that knows how to set values on the prepared statement.
* If this is {@code null}, the SQL will be assumed to contain no bind parameters.
* Even if there are no bind parameters, this object may be used to
* set fetch size and other performance options.
* @param rch object that will extract results, one row at a time
* @throws DataAccessException if the query fails
*/
void query(String sql, PreparedStatementSetter pss, RowCallbackHandler rch) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a list of
* arguments to bind to the query, reading the ResultSet on a per-row basis
* with a RowCallbackHandler.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* @param argTypes SQL types of the arguments
* (constants from {@code java.sql.Types})
* @param rch object that will extract results, one row at a time
* @throws DataAccessException if the query fails
* @see java.sql.Types
*/
void query(String sql, Object[] args, int[] argTypes, RowCallbackHandler rch) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a list of
* arguments to bind to the query, reading the ResultSet on a per-row basis
* with a RowCallbackHandler.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @param rch object that will extract results, one row at a time
* @throws DataAccessException if the query fails
*/
void query(String sql, Object[] args, RowCallbackHandler rch) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a list of
* arguments to bind to the query, reading the ResultSet on a per-row basis
* with a RowCallbackHandler.
* @param sql SQL query to execute
* @param rch object that will extract results, one row at a time
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @throws DataAccessException if the query fails
*/
void query(String sql, RowCallbackHandler rch, Object... args) throws DataAccessException;
/**
* Query using a prepared statement, mapping each row to a Java object
* via a RowMapper.
* <p>A PreparedStatementCreator can either be implemented directly or
* configured through a PreparedStatementCreatorFactory.
* @param psc object that can create a PreparedStatement given a Connection
* @param rowMapper object that will map one object per row
* @return the result List, containing mapped objects
* @throws DataAccessException if there is any problem
* @see PreparedStatementCreatorFactory
*/
<T> List<T> query(PreparedStatementCreator psc, RowMapper<T> rowMapper) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* PreparedStatementSetter implementation that knows how to bind values
* to the query, mapping each row to a Java object via a RowMapper.
* @param sql SQL query to execute
* @param pss object that knows how to set values on the prepared statement.
* If this is {@code null}, the SQL will be assumed to contain no bind parameters.
* Even if there are no bind parameters, this object may be used to
* set fetch size and other performance options.
* @param rowMapper object that will map one object per row
* @return the result List, containing mapped objects
* @throws DataAccessException if the query fails
*/
<T> List<T> query(String sql, PreparedStatementSetter pss, RowMapper<T> rowMapper) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a list
* of arguments to bind to the query, mapping each row to a Java object
* via a RowMapper.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* @param argTypes SQL types of the arguments
* (constants from {@code java.sql.Types})
* @param rowMapper object that will map one object per row
* @return the result List, containing mapped objects
* @throws DataAccessException if the query fails
* @see java.sql.Types
*/
<T> List<T> query(String sql, Object[] args, int[] argTypes, RowMapper<T> rowMapper) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a list
* of arguments to bind to the query, mapping each row to a Java object
* via a RowMapper.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @param rowMapper object that will map one object per row
* @return the result List, containing mapped objects
* @throws DataAccessException if the query fails
*/
<T> List<T> query(String sql, Object[] args, RowMapper<T> rowMapper) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a list
* of arguments to bind to the query, mapping each row to a Java object
* via a RowMapper.
* @param sql SQL query to execute
* @param rowMapper object that will map one object per row
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @return the result List, containing mapped objects
* @throws DataAccessException if the query fails
*/
<T> List<T> query(String sql, RowMapper<T> rowMapper, Object... args) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a list
* of arguments to bind to the query, mapping a single result row to a
* Java object via a RowMapper.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type)
* @param argTypes SQL types of the arguments
* (constants from {@code java.sql.Types})
* @param rowMapper object that will map one object per row
* @return the single mapped object
* @throws IncorrectResultSizeDataAccessException if the query does not
* return exactly one row
* @throws DataAccessException if the query fails
*/
<T> T queryForObject(String sql, Object[] args, int[] argTypes, RowMapper<T> rowMapper)
throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a list
* of arguments to bind to the query, mapping a single result row to a
* Java object via a RowMapper.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @param rowMapper object that will map one object per row
* @return the single mapped object
* @throws IncorrectResultSizeDataAccessException if the query does not
* return exactly one row
* @throws DataAccessException if the query fails
*/
<T> T queryForObject(String sql, Object[] args, RowMapper<T> rowMapper) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a list
* of arguments to bind to the query, mapping a single result row to a
* Java object via a RowMapper.
* @param sql SQL query to execute
* @param rowMapper object that will map one object per row
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @return the single mapped object
* @throws IncorrectResultSizeDataAccessException if the query does not
* return exactly one row
* @throws DataAccessException if the query fails
*/
<T> T queryForObject(String sql, RowMapper<T> rowMapper, Object... args) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* list of arguments to bind to the query, expecting a result object.
* <p>The query is expected to be a single row/single column query; the returned
* result will be directly mapped to the corresponding object type.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* @param argTypes SQL types of the arguments
* (constants from {@code java.sql.Types})
* @param requiredType the type that the result object is expected to match
* @return the result object of the required type, or {@code null} in case of SQL NULL
* @throws IncorrectResultSizeDataAccessException if the query does not return
* exactly one row, or does not return exactly one column in that row
* @throws DataAccessException if the query fails
* @see #queryForObject(String, Class)
* @see java.sql.Types
*/
<T> T queryForObject(String sql, Object[] args, int[] argTypes, Class<T> requiredType)
throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* list of arguments to bind to the query, expecting a result object.
* <p>The query is expected to be a single row/single column query; the returned
* result will be directly mapped to the corresponding object type.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @param requiredType the type that the result object is expected to match
* @return the result object of the required type, or {@code null} in case of SQL NULL
* @throws IncorrectResultSizeDataAccessException if the query does not return
* exactly one row, or does not return exactly one column in that row
* @throws DataAccessException if the query fails
* @see #queryForObject(String, Class)
*/
<T> T queryForObject(String sql, Object[] args, Class<T> requiredType) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* list of arguments to bind to the query, expecting a result object.
* <p>The query is expected to be a single row/single column query; the returned
* result will be directly mapped to the corresponding object type.
* @param sql SQL query to execute
* @param requiredType the type that the result object is expected to match
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @return the result object of the required type, or {@code null} in case of SQL NULL
* @throws IncorrectResultSizeDataAccessException if the query does not return
* exactly one row, or does not return exactly one column in that row
* @throws DataAccessException if the query fails
* @see #queryForObject(String, Class)
*/
<T> T queryForObject(String sql, Class<T> requiredType, Object... args) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* list of arguments to bind to the query, expecting a result Map.
* <p>The query is expected to be a single row query; the result row will be
* mapped to a Map (one entry for each column, using the column name as the key).
* @param sql SQL query to execute
* @param args arguments to bind to the query
* @param argTypes SQL types of the arguments
* (constants from {@code java.sql.Types})
* @return the result Map (one entry for each column, using the
* column name as the key)
* @throws IncorrectResultSizeDataAccessException if the query does not
* return exactly one row
* @throws DataAccessException if the query fails
* @see #queryForMap(String)
* @see ColumnMapRowMapper
* @see java.sql.Types
*/
Map<String, Object> queryForMap(String sql, Object[] args, int[] argTypes) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* list of arguments to bind to the query, expecting a result Map.
* The queryForMap() methods defined by this interface are appropriate
* when you don't have a domain model. Otherwise, consider using
* one of the queryForObject() methods.
* <p>The query is expected to be a single row query; the result row will be
* mapped to a Map (one entry for each column, using the column name as the key).
* @param sql SQL query to execute
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @return the result Map (one entry for each column, using the
* column name as the key)
* @throws IncorrectResultSizeDataAccessException if the query does not
* return exactly one row
* @throws DataAccessException if the query fails
* @see #queryForMap(String)
* @see ColumnMapRowMapper
*/
Map<String, Object> queryForMap(String sql, Object... args) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* list of arguments to bind to the query, expecting a result list.
* <p>The results will be mapped to a List (one entry for each row) of
* result objects, each of them matching the specified element type.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* @param argTypes SQL types of the arguments
* (constants from {@code java.sql.Types})
* @param elementType the required type of element in the result list
* (for example, {@code Integer.class})
* @return a List of objects that match the specified element type
* @throws DataAccessException if the query fails
* @see #queryForList(String, Class)
* @see SingleColumnRowMapper
*/
<T>List<T> queryForList(String sql, Object[] args, int[] argTypes, Class<T> elementType)
throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* list of arguments to bind to the query, expecting a result list.
* <p>The results will be mapped to a List (one entry for each row) of
* result objects, each of them matching the specified element type.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @param elementType the required type of element in the result list
* (for example, {@code Integer.class})
* @return a List of objects that match the specified element type
* @throws DataAccessException if the query fails
* @see #queryForList(String, Class)
* @see SingleColumnRowMapper
*/
<T> List<T> queryForList(String sql, Object[] args, Class<T> elementType) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* list of arguments to bind to the query, expecting a result list.
* <p>The results will be mapped to a List (one entry for each row) of
* result objects, each of them matching the specified element type.
* @param sql SQL query to execute
* @param elementType the required type of element in the result list
* (for example, {@code Integer.class})
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @return a List of objects that match the specified element type
* @throws DataAccessException if the query fails
* @see #queryForList(String, Class)
* @see SingleColumnRowMapper
*/
<T> List<T> queryForList(String sql, Class<T> elementType, Object... args) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* list of arguments to bind to the query, expecting a result list.
* <p>The results will be mapped to a List (one entry for each row) of
* Maps (one entry for each column, using the column name as the key).
* Thus Each element in the list will be of the form returned by this interface's
* queryForMap() methods.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* @param argTypes SQL types of the arguments
* (constants from {@code java.sql.Types})
* @return a List that contains a Map per row
* @throws DataAccessException if the query fails
* @see #queryForList(String)
* @see java.sql.Types
*/
List<Map<String, Object>> queryForList(String sql, Object[] args, int[] argTypes) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* list of arguments to bind to the query, expecting a result list.
* <p>The results will be mapped to a List (one entry for each row) of
* Maps (one entry for each column, using the column name as the key).
* Each element in the list will be of the form returned by this interface's
* queryForMap() methods.
* @param sql SQL query to execute
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @return a List that contains a Map per row
* @throws DataAccessException if the query fails
* @see #queryForList(String)
*/
List<Map<String, Object>> queryForList(String sql, Object... args) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* list of arguments to bind to the query, expecting a SqlRowSet.
* <p>The results will be mapped to an SqlRowSet which holds the data in a
* disconnected fashion. This wrapper will translate any SQLExceptions thrown.
* <p>Note that, for the default implementation, JDBC RowSet support needs to
* be available at runtime: by default, Sun's {@code com.sun.rowset.CachedRowSetImpl}
* class is used, which is part of JDK 1.5+ and also available separately as part of
* Sun's JDBC RowSet Implementations download (rowset.jar).
* @param sql SQL query to execute
* @param args arguments to bind to the query
* @param argTypes SQL types of the arguments
* (constants from {@code java.sql.Types})
* @return a SqlRowSet representation (possibly a wrapper around a
* {@code javax.sql.rowset.CachedRowSet})
* @throws DataAccessException if there is any problem executing the query
* @see #queryForRowSet(String)
* @see SqlRowSetResultSetExtractor
* @see javax.sql.rowset.CachedRowSet
* @see java.sql.Types
*/
SqlRowSet queryForRowSet(String sql, Object[] args, int[] argTypes) throws DataAccessException;
/**
* Query given SQL to create a prepared statement from SQL and a
* list of arguments to bind to the query, expecting a SqlRowSet.
* <p>The results will be mapped to an SqlRowSet which holds the data in a
* disconnected fashion. This wrapper will translate any SQLExceptions thrown.
* <p>Note that, for the default implementation, JDBC RowSet support needs to
* be available at runtime: by default, Sun's {@code com.sun.rowset.CachedRowSetImpl}
* class is used, which is part of JDK 1.5+ and also available separately as part of
* Sun's JDBC RowSet Implementations download (rowset.jar).
* @param sql SQL query to execute
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @return a SqlRowSet representation (possibly a wrapper around a
* {@code javax.sql.rowset.CachedRowSet})
* @throws DataAccessException if there is any problem executing the query
* @see #queryForRowSet(String)
* @see SqlRowSetResultSetExtractor
* @see javax.sql.rowset.CachedRowSet
*/
SqlRowSet queryForRowSet(String sql, Object... args) throws DataAccessException;
/**
* Issue a single SQL update operation (such as an insert, update or delete statement)
* using a PreparedStatementCreator to provide SQL and any required parameters.
* <p>A PreparedStatementCreator can either be implemented directly or
* configured through a PreparedStatementCreatorFactory.
* @param psc object that provides SQL and any necessary parameters
* @return the number of rows affected
* @throws DataAccessException if there is any problem issuing the update
* @see PreparedStatementCreatorFactory
*/
int update(PreparedStatementCreator psc) throws DataAccessException;
/**
* Issue an update statement using a PreparedStatementCreator to provide SQL and
* any required parameters. Generated keys will be put into the given KeyHolder.
* <p>Note that the given PreparedStatementCreator has to create a statement
* with activated extraction of generated keys (a JDBC 3.0 feature). This can
* either be done directly or through using a PreparedStatementCreatorFactory.
* @param psc object that provides SQL and any necessary parameters
* @param generatedKeyHolder KeyHolder that will hold the generated keys
* @return the number of rows affected
* @throws DataAccessException if there is any problem issuing the update
* @see PreparedStatementCreatorFactory
* @see org.springframework.jdbc.support.GeneratedKeyHolder
*/
int update(PreparedStatementCreator psc, KeyHolder generatedKeyHolder) throws DataAccessException;
/**
* Issue an update statement using a PreparedStatementSetter to set bind parameters,
* with given SQL. Simpler than using a PreparedStatementCreator as this method
* will create the PreparedStatement: The PreparedStatementSetter just needs to
* set parameters.
* @param sql SQL containing bind parameters
* @param pss helper that sets bind parameters. If this is {@code null}
* we run an update with static SQL.
* @return the number of rows affected
* @throws DataAccessException if there is any problem issuing the update
*/
int update(String sql, PreparedStatementSetter pss) throws DataAccessException;
/**
* Issue a single SQL update operation (such as an insert, update or delete statement)
* via a prepared statement, binding the given arguments.
* @param sql SQL containing bind parameters
* @param args arguments to bind to the query
* @param argTypes SQL types of the arguments
* (constants from {@code java.sql.Types})
* @return the number of rows affected
* @throws DataAccessException if there is any problem issuing the update
* @see java.sql.Types
*/
int update(String sql, Object[] args, int[] argTypes) throws DataAccessException;
/**
* Issue a single SQL update operation (such as an insert, update or delete statement)
* via a prepared statement, binding the given arguments.
* @param sql SQL containing bind parameters
* @param args arguments to bind to the query
* (leaving it to the PreparedStatement to guess the corresponding SQL type);
* may also contain {@link SqlParameterValue} objects which indicate not
* only the argument value but also the SQL type and optionally the scale
* @return the number of rows affected
* @throws DataAccessException if there is any problem issuing the update
*/
int update(String sql, Object... args) throws DataAccessException;
/**
* Issue multiple update statements on a single PreparedStatement,
* using batch updates and a BatchPreparedStatementSetter to set values.
* <p>Will fall back to separate updates on a single PreparedStatement
* if the JDBC driver does not support batch updates.
* @param sql defining PreparedStatement that will be reused.
* All statements in the batch will use the same SQL.
* @param pss object to set parameters on the PreparedStatement
* created by this method
* @return an array of the number of rows affected by each statement
* @throws DataAccessException if there is any problem issuing the update
*/
int[] batchUpdate(String sql, BatchPreparedStatementSetter pss) throws DataAccessException;
/**
* Execute a batch using the supplied SQL statement with the batch of supplied arguments.
* @param sql the SQL statement to execute
* @param batchArgs the List of Object arrays containing the batch of arguments for the query
* @return an array containing the numbers of rows affected by each update in the batch
*/
public int[] batchUpdate(String sql, List<Object[]> batchArgs) throws DataAccessException;
/**
* Execute a batch using the supplied SQL statement with the batch of supplied arguments.
* @param sql the SQL statement to execute.
* @param batchArgs the List of Object arrays containing the batch of arguments for the query
* @param argTypes SQL types of the arguments
* (constants from {@code java.sql.Types})
* @return an array containing the numbers of rows affected by each update in the batch
*/
public int[] batchUpdate(String sql, List<Object[]> batchArgs, int[] argTypes) throws DataAccessException;
/**
* Execute multiple batches using the supplied SQL statement with the collect of supplied arguments.
* The arguments' values will be set using the ParameterizedPreparedStatementSetter.
* Each batch should be of size indicated in 'batchSize'.
* @param sql the SQL statement to execute.
* @param batchArgs the List of Object arrays containing the batch of arguments for the query
* @param batchSize batch size
* @param pss ParameterizedPreparedStatementSetter to use
* @return an array containing for each batch another array containing the numbers of rows affected
* by each update in the batch
*/
public <T> int[][] batchUpdate(String sql, Collection<T> batchArgs, int batchSize,
ParameterizedPreparedStatementSetter<T> pss) throws DataAccessException;
//-------------------------------------------------------------------------
// Methods dealing with callable statements
//-------------------------------------------------------------------------
/**
* Execute a JDBC data access operation, implemented as callback action
* working on a JDBC CallableStatement. This allows for implementing arbitrary
* data access operations on a single Statement, within Spring's managed
* JDBC environment: that is, participating in Spring-managed transactions
* and converting JDBC SQLExceptions into Spring's DataAccessException hierarchy.
* <p>The callback action can return a result object, for example a
* domain object or a collection of domain objects.
* @param csc object that can create a CallableStatement given a Connection
* @param action callback object that specifies the action
* @return a result object returned by the action, or {@code null}
* @throws DataAccessException if there is any problem
*/
<T> T execute(CallableStatementCreator csc, CallableStatementCallback<T> action) throws DataAccessException;
/**
* Execute a JDBC data access operation, implemented as callback action
* working on a JDBC CallableStatement. This allows for implementing arbitrary
* data access operations on a single Statement, within Spring's managed
* JDBC environment: that is, participating in Spring-managed transactions
* and converting JDBC SQLExceptions into Spring's DataAccessException hierarchy.
* <p>The callback action can return a result object, for example a
* domain object or a collection of domain objects.
* @param callString the SQL call string to execute
* @param action callback object that specifies the action
* @return a result object returned by the action, or {@code null}
* @throws DataAccessException if there is any problem
*/
<T> T execute(String callString, CallableStatementCallback<T> action) throws DataAccessException;
/**
* Execute a SQL call using a CallableStatementCreator to provide SQL and any
* required parameters.
* @param csc object that provides SQL and any necessary parameters
* @param declaredParameters list of declared SqlParameter objects
* @return Map of extracted out parameters
* @throws DataAccessException if there is any problem issuing the update
*/
Map<String, Object> call(CallableStatementCreator csc, List<SqlParameter> declaredParameters)
throws DataAccessException;
}