com.blazebit.persistence.impl.plan.DefaultModificationQueryPlan Maven / Gradle / Ivy
/*
* Copyright 2014 - 2019 Blazebit.
*
* 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 com.blazebit.persistence.impl.plan;
import com.blazebit.persistence.spi.DbmsStatementType;
import javax.persistence.Query;
/**
*
* @author Christian Beikov
* @since 1.2.0
*/
public class DefaultModificationQueryPlan implements ModificationQueryPlan {
private final DbmsStatementType statementType;
private final Query query;
private final int firstResult;
private final int maxResults;
public DefaultModificationQueryPlan(DbmsStatementType statementType, Query query, int firstResult, int maxResults) {
this.statementType = statementType;
this.query = query;
this.firstResult = firstResult;
this.maxResults = maxResults;
}
@Override
public int executeUpdate() {
// Don't set the values for UPDATE or DELETE statements, otherwise Datanucleus will pass through the values to the JDBC statement
if (statementType == DbmsStatementType.INSERT) {
query.setFirstResult(firstResult);
query.setMaxResults(maxResults);
}
return query.executeUpdate();
}
}