com.blazebit.persistence.impl.JpqlMacroStorage Maven / Gradle / Ivy
/*
* Copyright 2014 - 2023 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.parser.expression.ExpressionFactory;
import com.blazebit.persistence.parser.expression.MacroConfiguration;
import com.blazebit.persistence.spi.JpqlMacro;
import java.util.HashMap;
import java.util.Map;
/**
*
* @author Christian Beikov
* @since 1.2.0
*/
public final class JpqlMacroStorage {
private final ExpressionFactory expressionFactory;
private boolean dirty;
private Map scopedMacros;
private MacroConfiguration macroConfiguration;
public JpqlMacroStorage(ExpressionFactory expressionFactory, MacroConfiguration macroConfiguration) {
this.expressionFactory = expressionFactory;
this.macroConfiguration = macroConfiguration;
}
public MacroConfiguration getMacroConfiguration() {
if (dirty) {
macroConfiguration = macroConfiguration.with(JpqlMacroAdapter.createMacros(scopedMacros, expressionFactory));
scopedMacros.clear();
dirty = false;
}
return macroConfiguration;
}
public void registerMacro(String macroName, JpqlMacro jpqlMacro) {
if (scopedMacros == null) {
scopedMacros = new HashMap<>();
}
scopedMacros.put(macroName.toUpperCase(), jpqlMacro);
dirty = true;
}
}