/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*
*/
package org.hibernate.sql;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;
import org.hibernate.dialect.Dialect;
import org.hibernate.type.LiteralType;
/**
* An SQL <tt>INSERT</tt> statement
*
* @author Gavin King
*/
public class Insert {
private Dialect dialect;
private String tableName;
private String comment;
private Map columns = new LinkedHashMap();
public Insert(Dialect dialect) {
this.dialect = dialect;
}
protected Dialect getDialect() {
return dialect;
}
public Insert setComment(String comment) {
this.comment = comment;
return this;
}
public Insert addColumn(String columnName) {
return addColumn(columnName, "?");
}
public Insert addColumns(String[] columnNames) {
for ( int i=0; i<columnNames.length; i++ ) {
addColumn( columnNames[i] );
}
return this;
}
public Insert addColumns(String[] columnNames, boolean[] insertable) {
for ( int i=0; i<columnNames.length; i++ ) {
if ( insertable[i] ) {
addColumn( columnNames[i] );
}
}
return this;
}
public Insert addColumns(String[] columnNames, boolean[] insertable, String[] valueExpressions) {
for ( int i=0; i<columnNames.length; i++ ) {
if ( insertable[i] ) {
addColumn( columnNames[i], valueExpressions[i] );
}
}
return this;
}
public Insert addColumn(String columnName, String valueExpression) {
columns.put(columnName, valueExpression);
return this;
}
public Insert addColumn(String columnName, Object value, LiteralType type) throws Exception {
return addColumn( columnName, type.objectToSQLString(value, dialect) );
}
public Insert addIdentityColumn(String columnName) {
String value = dialect.getIdentityInsertString();
if ( value != null ) {
addColumn( columnName, value );
}
return this;
}
public Insert setTableName(String tableName) {
this.tableName = tableName;
return this;
}
public String toStatementString() {
StringBuffer buf = new StringBuffer( columns.size()*15 + tableName.length() + 10 );
if ( comment != null ) {
buf.append( "/* " ).append( comment ).append( " */ " );
}
buf.append("insert into ")
.append(tableName);
if ( columns.size()==0 ) {
buf.append(' ').append( dialect.getNoColumnsInsertString() );
}
else {
buf.append(" (");
Iterator iter = columns.keySet().iterator();
while ( iter.hasNext() ) {
buf.append( iter.next() );
if ( iter.hasNext() ) {
buf.append( ", " );
}
}
buf.append(") values (");
iter = columns.values().iterator();
while ( iter.hasNext() ) {
buf.append( iter.next() );
if ( iter.hasNext() ) {
buf.append( ", " );
}
}
buf.append(')');
}
return buf.toString();
}
}