com.blazebit.persistence.impl.query.DefaultQuerySpecification Maven / Gradle / Ivy
/*
* Copyright 2014 - 2020 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.query;
import com.blazebit.persistence.impl.plan.DefaultModificationQueryPlan;
import com.blazebit.persistence.impl.plan.DefaultSelectQueryPlan;
import com.blazebit.persistence.impl.plan.ModificationQueryPlan;
import com.blazebit.persistence.impl.plan.SelectQueryPlan;
import com.blazebit.persistence.spi.DbmsStatementType;
import com.blazebit.persistence.spi.ExtendedQuerySupport;
import javax.persistence.EntityManager;
import javax.persistence.Parameter;
import javax.persistence.Query;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
*
* @author Christian Beikov
* @since 1.2.0
*/
public class DefaultQuerySpecification implements QuerySpecification {
private final DbmsStatementType statementType;
private final Query query;
private final EntityManager em;
private final Set parameterListNames;
private final ExtendedQuerySupport extendedQuerySupport;
public DefaultQuerySpecification(DbmsStatementType statementType, Query query, EntityManager em, Set parameterListNames, ExtendedQuerySupport extendedQuerySupport) {
this.statementType = statementType;
this.query = query;
this.em = em;
this.parameterListNames = parameterListNames;
this.extendedQuerySupport = extendedQuerySupport;
}
@Override
public ModificationQueryPlan createModificationPlan(int firstResult, int maxResults) {
return new DefaultModificationQueryPlan(statementType, query, firstResult, maxResults);
}
@Override
public SelectQueryPlan createSelectPlan(int firstResult, int maxResults) {
return new DefaultSelectQueryPlan(query, firstResult, maxResults);
}
@Override
public String getSql() {
return extendedQuerySupport.getSql(em, query);
}
@Override
public List getParticipatingQueries() {
return Arrays.asList(query);
}
@Override
public Set> getParameters() {
return query.getParameters();
}
@Override
public Map getAddedCtes() {
return null;
}
@Override
public Query getBaseQuery() {
return query;
}
@Override
public void onCollectionParameterChange(String parameterName, Collection value) {
if (parameterListNames.contains(parameterName)) {
query.setParameter(parameterName, value);
}
}
}