/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.solr.client.solrj.io.sql;
import java.sql.Array;
import java.sql.Blob;
import java.sql.CallableStatement;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.NClob;
import java.sql.PreparedStatement;
import java.sql.SQLClientInfoException;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Savepoint;
import java.sql.Statement;
import java.sql.Struct;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.Executor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.apache.solr.client.solrj.impl.CloudSolrClient;
import org.apache.solr.client.solrj.io.SolrClientCache;
class ConnectionImpl implements Connection {
private final String url;
private final SolrClientCache solrClientCache = new SolrClientCache();
private final CloudSolrClient client;
private final Properties properties;
private final DatabaseMetaData databaseMetaData;
private final Statement connectionStatement;
private String collection;
private boolean closed;
private SQLWarning currentWarning;
ConnectionImpl(String url, String zkHost, String collection, Properties properties) throws SQLException {
this.url = url;
this.client = this.solrClientCache.getCloudSolrClient(zkHost);
this.collection = collection;
this.properties = properties;
this.connectionStatement = createStatement();
this.databaseMetaData = new DatabaseMetaDataImpl(this, this.connectionStatement);
}
String getUrl() {
return url;
}
CloudSolrClient getClient() {
return client;
}
String getCollection() {
return collection;
}
Properties getProperties() {
return properties;
}
SolrClientCache getSolrClientCache() {
return this.solrClientCache;
}
@Override
public Statement createStatement() throws SQLException {
return new StatementImpl(this);
}
@Override
public PreparedStatement prepareStatement(String sql) throws SQLException {
return new PreparedStatementImpl(this, sql);
}
@Override
public CallableStatement prepareCall(String sql) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public String nativeSQL(String sql) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public void setAutoCommit(boolean autoCommit) throws SQLException {
}
@Override
public boolean getAutoCommit() throws SQLException {
return false;
}
@Override
public void commit() throws SQLException {
}
@Override
public void rollback() throws SQLException {
}
@Override
public void close() throws SQLException {
if(closed) {
return;
}
this.closed = true;
try {
if(this.connectionStatement != null) {
this.connectionStatement.close();
}
} finally {
if (this.solrClientCache != null) {
this.solrClientCache.close();
}
}
}
@Override
public boolean isClosed() throws SQLException {
return closed;
}
@Override
public DatabaseMetaData getMetaData() throws SQLException {
return this.databaseMetaData;
}
@Override
public void setReadOnly(boolean readOnly) throws SQLException {
}
/*
* When using OpenLink ODBC-JDBC bridge on Windows, it runs the method ConnectionImpl.setReadOnly(String ...).
* The spec says that setReadOnly(boolean ...) is required. This causes the ODBC-JDBC bridge to fail on Windows.
* OpenLink case: http://support.openlinksw.com/support/techupdate.vsp?c=21881
*/
public void setReadOnly(String readOnly) throws SQLException {
}
@Override
public boolean isReadOnly() throws SQLException {
return true;
}
@Override
public void setCatalog(String catalog) throws SQLException {
}
@Override
public String getCatalog() throws SQLException {
return this.client.getZkHost();
}
@Override
public void setTransactionIsolation(int level) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public int getTransactionIsolation() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public SQLWarning getWarnings() throws SQLException {
if(isClosed()) {
throw new SQLException("Connection is closed.");
}
return this.currentWarning;
}
@Override
public void clearWarnings() throws SQLException {
if(isClosed()) {
throw new SQLException("Connection is closed.");
}
this.currentWarning = null;
}
@Override
public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Map<String, Class<?>> getTypeMap() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public void setHoldability(int holdability) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public int getHoldability() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Savepoint setSavepoint() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Savepoint setSavepoint(String name) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public void rollback(Savepoint savepoint) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public void releaseSavepoint(Savepoint savepoint) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Clob createClob() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Blob createBlob() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public NClob createNClob() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public SQLXML createSQLXML() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public boolean isValid(int timeout) throws SQLException {
// check that the connection isn't closed and able to connect within the timeout
try {
if(!isClosed()) {
this.client.connect(timeout, TimeUnit.SECONDS);
return true;
}
} catch (InterruptedException|TimeoutException ignore) {
// Ignore error since connection is not valid
}
return false;
}
@Override
public void setClientInfo(String name, String value) throws SQLClientInfoException {
throw new UnsupportedOperationException();
}
@Override
public void setClientInfo(Properties properties) throws SQLClientInfoException {
throw new UnsupportedOperationException();
}
@Override
public String getClientInfo(String name) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Properties getClientInfo() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public void setSchema(String schema) throws SQLException {
}
@Override
public String getSchema() throws SQLException {
return null;
}
@Override
public void abort(Executor executor) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public int getNetworkTimeout() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public <T> T unwrap(Class<T> iface) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public boolean isWrapperFor(Class<?> iface) throws SQLException {
throw new UnsupportedOperationException();
}
}