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121 lines
3.0 KiB
121 lines
3.0 KiB
/* |
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* Hibernate, Relational Persistence for Idiomatic Java |
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* |
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* License: GNU Lesser General Public License (LGPL), version 2.1 or later. |
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* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>. |
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*/ |
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package com.fr.third.org.hibernate.sql; |
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import java.util.Iterator; |
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import java.util.LinkedHashMap; |
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import java.util.Map; |
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import com.fr.third.org.hibernate.dialect.Dialect; |
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import com.fr.third.org.hibernate.type.LiteralType; |
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/** |
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* An SQL <tt>INSERT</tt> statement |
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* |
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* @author Gavin King |
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*/ |
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public class Insert { |
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private Dialect dialect; |
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private String tableName; |
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private String comment; |
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private Map columns = new LinkedHashMap(); |
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public Insert(Dialect dialect) { |
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this.dialect = dialect; |
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} |
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protected Dialect getDialect() { |
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return dialect; |
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} |
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public Insert setComment(String comment) { |
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this.comment = comment; |
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return this; |
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} |
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public Insert addColumn(String columnName) { |
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return addColumn(columnName, "?"); |
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} |
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public Insert addColumns(String[] columnNames) { |
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for ( int i=0; i<columnNames.length; i++ ) { |
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addColumn( columnNames[i] ); |
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} |
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return this; |
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} |
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public Insert addColumns(String[] columnNames, boolean[] insertable) { |
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for ( int i=0; i<columnNames.length; i++ ) { |
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if ( insertable[i] ) { |
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addColumn( columnNames[i] ); |
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} |
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} |
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return this; |
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} |
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public Insert addColumns(String[] columnNames, boolean[] insertable, String[] valueExpressions) { |
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for ( int i=0; i<columnNames.length; i++ ) { |
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if ( insertable[i] ) { |
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addColumn( columnNames[i], valueExpressions[i] ); |
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} |
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} |
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return this; |
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} |
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public Insert addColumn(String columnName, String valueExpression) { |
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columns.put(columnName, valueExpression); |
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return this; |
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} |
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public Insert addColumn(String columnName, Object value, LiteralType type) throws Exception { |
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return addColumn( columnName, type.objectToSQLString(value, dialect) ); |
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} |
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public Insert addIdentityColumn(String columnName) { |
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String value = dialect.getIdentityColumnSupport().getIdentityInsertString(); |
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if ( value != null ) { |
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addColumn( columnName, value ); |
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} |
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return this; |
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} |
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public Insert setTableName(String tableName) { |
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this.tableName = tableName; |
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return this; |
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} |
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public String toStatementString() { |
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StringBuilder buf = new StringBuilder( columns.size()*15 + tableName.length() + 10 ); |
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if ( comment != null ) { |
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buf.append( "/* " ).append( Dialect.escapeComment(comment) ).append( " */ " ); |
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} |
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buf.append("insert into ") |
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.append(tableName); |
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if ( columns.size()==0 ) { |
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buf.append(' ').append( dialect.getNoColumnsInsertString() ); |
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} |
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else { |
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buf.append(" ("); |
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Iterator iter = columns.keySet().iterator(); |
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while ( iter.hasNext() ) { |
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buf.append( iter.next() ); |
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if ( iter.hasNext() ) { |
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buf.append( ", " ); |
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} |
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} |
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buf.append(") values ("); |
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iter = columns.values().iterator(); |
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while ( iter.hasNext() ) { |
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buf.append( iter.next() ); |
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if ( iter.hasNext() ) { |
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buf.append( ", " ); |
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} |
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} |
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buf.append(')'); |
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} |
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return buf.toString(); |
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} |
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}
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