Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* 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;
import com.blazebit.persistence.CriteriaBuilder;
import com.blazebit.persistence.LeafOngoingFinalSetOperationCriteriaBuilder;
import com.blazebit.persistence.LeafOngoingSetOperationCriteriaBuilder;
import com.blazebit.persistence.ObjectBuilder;
import com.blazebit.persistence.SelectObjectBuilder;
import com.blazebit.persistence.StartOngoingSetOperationCriteriaBuilder;
import com.blazebit.persistence.spi.SetOperationType;
import javax.persistence.TypedQuery;
/**
*
* @param The query result type
* @author Christian Beikov
* @author Moritz Becker
* @since 1.0.0
*/
public class CriteriaBuilderImpl extends AbstractFullQueryBuilder, LeafOngoingSetOperationCriteriaBuilder, StartOngoingSetOperationCriteriaBuilder>, BaseFinalSetOperationCriteriaBuilderImpl> implements CriteriaBuilder {
protected long cachedQueryRootMaximumCount;
protected String cachedQueryRootCountQueryString;
protected String cachedExternalQueryRootCountQueryString;
public CriteriaBuilderImpl(MainQuery mainQuery, boolean isMainQuery, Class clazz, String alias) {
super(mainQuery, isMainQuery, clazz, alias, null);
}
@Override
protected void prepareForModification(ClauseType changedClause) {
super.prepareForModification(changedClause);
cachedQueryRootMaximumCount = Long.MAX_VALUE;
cachedQueryRootCountQueryString = null;
cachedExternalQueryRootCountQueryString = null;
}
@Override
public TypedQuery getQueryRootCountQuery() {
prepareAndCheck();
return getCountQuery(getCountQueryRootQueryStringWithoutCheck(Long.MAX_VALUE), isComplexCountQuery());
}
@Override
public TypedQuery getQueryRootCountQuery(long maximumCount) {
prepareAndCheck();
return getCountQuery(getCountQueryRootQueryStringWithoutCheck(maximumCount), isComplexCountQuery());
}
@Override
public String getQueryRootCountQueryString() {
prepareAndCheck();
return getExternalQueryRootCountQueryString(Long.MAX_VALUE);
}
@Override
public String getQueryRootCountQueryString(long maximumCount) {
prepareAndCheck();
return getExternalQueryRootCountQueryString(maximumCount);
}
private String getCountQueryRootQueryStringWithoutCheck(long maximumCount) {
if (cachedQueryRootMaximumCount != maximumCount) {
cachedQueryRootMaximumCount = maximumCount;
cachedQueryRootCountQueryString = null;
cachedExternalQueryRootCountQueryString = null;
}
if (cachedQueryRootCountQueryString == null) {
cachedQueryRootCountQueryString = buildPageCountQueryString(false, false, cachedQueryRootMaximumCount);
}
return cachedQueryRootCountQueryString;
}
private String getExternalQueryRootCountQueryString(long maximumCount) {
if (cachedQueryRootMaximumCount != maximumCount) {
cachedQueryRootMaximumCount = maximumCount;
cachedQueryRootCountQueryString = null;
cachedExternalQueryRootCountQueryString = null;
}
if (cachedExternalQueryRootCountQueryString == null) {
cachedExternalQueryRootCountQueryString = buildPageCountQueryString(true, false, cachedQueryRootMaximumCount);
}
return cachedExternalQueryRootCountQueryString;
}
@Override
public CriteriaBuilder copy(Class resultClass) {
return (CriteriaBuilder) super.copy(resultClass);
}
@Override
@SuppressWarnings("unchecked")
public SelectObjectBuilder> selectNew(Class clazz) {
return (SelectObjectBuilder>) super.selectNew(clazz);
}
@Override
@SuppressWarnings("unchecked")
public CriteriaBuilder selectNew(ObjectBuilder builder) {
return (CriteriaBuilder) super.selectNew(builder);
}
@Override
protected void verifySetBuilderEnded() {
super.verifySetBuilderEnded();
if (finalSetOperationBuilder != null) {
throw new IllegalStateException("The original criteria builder should not be accessed anymore after connecting it with a set operation. Use the result of the set operation instead!");
}
}
@Override
protected BaseFinalSetOperationCriteriaBuilderImpl createFinalSetOperationBuilder(SetOperationType operator, boolean nested) {
boolean wasMainQuery = isMainQuery;
this.isMainQuery = false;
BuilderListener