com.blazebit.persistence.parser.expression.ExpressionFactoryImpl 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.parser.expression;
import com.blazebit.persistence.parser.JPQLNextParser;
import org.antlr.v4.runtime.ParserRuleContext;
import java.util.Collections;
import java.util.Map;
/**
*
* @author Christian Beikov
* @author Moritz Becker
* @since 1.0.0
*/
public final class ExpressionFactoryImpl extends AbstractExpressionFactory {
private static final RuleInvoker SIMPLE_EXPRESSION_RULE_INVOKER = new RuleInvoker() {
@Override
public ParserRuleContext invokeRule(JPQLNextParser parser) {
return parser.parseExpression();
}
};
public ExpressionFactoryImpl(Map functions, boolean allowTreatJoinExtension, boolean optimize) {
this(functions, Collections.EMPTY_MAP, Collections.EMPTY_MAP, allowTreatJoinExtension, optimize);
}
public ExpressionFactoryImpl(Map functions, Map> entityTypes, Map>> enumTypes, boolean allowTreatJoinExtension, boolean optimize) {
super(functions, entityTypes, enumTypes, optimize);
}
@Override
protected RuleInvoker getSimpleExpressionRuleInvoker() {
return SIMPLE_EXPRESSION_RULE_INVOKER;
}
@Override
public T unwrap(Class clazz) {
if (clazz.isAssignableFrom(ExpressionFactoryImpl.class)) {
return (T) this;
}
return null;
}
}