/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* 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 org.jbpm.query.jpa.builder.impl;
/**
* This is the abstract parent class for all delete (query) builder implementations.
*
* @param <T> The type of the interface that the delete builder implements. This is used for the fluent API.
*/
public abstract class AbstractDeleteBuilderImpl<T> extends AbstractQueryBuilderImpl<T> {
/**
* This operation is *NOT* supported on delete queries,
* because String based query building would be way too much work,
* especially in comparison to the JPA Criteria infrastructure we have for normal queries.
*/
@Override
public T newGroup() {
return unsupported();
}
/**
* This operation is *NOT* supported on delete queries,
* because String based query building would be way too much work,
* especially in comparison to the JPA Criteria infrastructure we have for normal queries.
*/
@Override
public T endGroup() {
return unsupported();
}
static <T> T unsupported() {
String methodName = (new Throwable()).getStackTrace()[1].getMethodName();
// in jBPM 7.x, this will be available, once we move to JPA 2.1
throw new UnsupportedOperationException(methodName + " is not supported on for delete queries!");
}
}