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/*-------------------------------------------------------------------------
*
* Copyright (c) 2004-2008, PostgreSQL Global Development Group
* Copyright (c) 2004, Open Cloud Limited.
*
* IDENTIFICATION
* $PostgreSQL: pgjdbc/org/postgresql/core/v3/CompositeQuery.java,v 1.5 2008/01/08 06:56:27 jurka Exp $
*
*-------------------------------------------------------------------------
*/
package org.postgresql.core.v3;
import org.postgresql.core.*;
/**
* V3 Query implementation for queries that involve multiple statements.
* We split it up into one SimpleQuery per statement, and wrap the
* corresponding per-statement SimpleParameterList objects in
* a CompositeParameterList.
*
* @author Oliver Jowett (oliver@opencloud.com)
*/
class CompositeQuery implements V3Query {
CompositeQuery(SimpleQuery[] subqueries, int[] offsets) {
this.subqueries = subqueries;
this.offsets = offsets;
}
public ParameterList createParameterList() {
SimpleParameterList[] subparams = new SimpleParameterList[subqueries.length];
for (int i = 0; i < subqueries.length; ++i)
subparams[i] = (SimpleParameterList)subqueries[i].createParameterList();
return new CompositeParameterList(subparams, offsets);
}
public String toString(ParameterList parameters) {
StringBuffer sbuf = new StringBuffer(subqueries[0].toString());
for (int i = 1; i < subqueries.length; ++i)
{
sbuf.append(';');
sbuf.append(subqueries[i]);
}
return sbuf.toString();
}
public String toString() {
return toString(null);
}
public void close() {
for (int i = 0; i < subqueries.length; ++i)
subqueries[i].close();
}
public SimpleQuery[] getSubqueries() {
return subqueries;
}
private final SimpleQuery[] subqueries;
private final int[] offsets;
}
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