ComputeIfPresent.java

/*
 * Copyright 2014 the original author or authors.
 *
 * 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.koloboke.jpsg.collect.mapqu;

public final class ComputeIfPresent extends Compute {

    @Override
    public BasicMapQueryUpdateOp baseOp() {
        return BasicMapQueryUpdateOp.GET;
    }

    @Override
    public void ifPresent() {
        if (cxt.isObjectValue())
            gen.ifBlock(gen.value() + " != null");
        super.ifPresent();
        if (cxt.isObjectValue()) {
            gen.elseBlock(); {
                gen.ret("null");
            } gen.blockEnd();
        }
    }

    @Override
    public void ifAbsent() {
        gen.ret(gen.defaultValue());
    }
}