PrefixJpqlMacro.java

/*
 * Copyright 2014 - 2017 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.testsuite.macro;

import com.blazebit.persistence.spi.FunctionRenderContext;
import com.blazebit.persistence.spi.JpqlMacro;

/**
 *
 * @author Christian Beikov
 * @since 1.2.0
 */
public class PrefixJpqlMacro implements JpqlMacro {

    @Override
    public void render(FunctionRenderContext context) {
        if (context.getArgumentsSize() != 2) {
            throw new IllegalArgumentException("The prefix macro requires exactly two arguments: <prefix> and <expression>!");
        }

        context.addArgument(0);
        context.addChunk(".");
        context.addArgument(1);
    }

}