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Tests for JSR107 compliant caches. These are tests from the JSR107 TCK that were published as Open Source. The artifact may also contain additional tests and improvements. For compliance testing use the original TCK as published via jcp.org.

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/**
 *  Copyright 2011-2013 Terracotta, Inc.
 *  Copyright 2011-2013 Oracle, Inc.
 *
 *  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 org.jsr107.tck.processor;

import javax.cache.processor.EntryProcessor;
import javax.cache.processor.MutableEntry;
import java.io.Serializable;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

/**
 * Remove entry processor
 * @param   key type
 * @param   value type
 * @param   process return type
 */
public class RemoveEntryProcessor implements EntryProcessor, Serializable {

    private final boolean assertExists;

    public RemoveEntryProcessor(){
        this(false);
    }

    public RemoveEntryProcessor(boolean assertExists) {
        this.assertExists = assertExists;
    }

    @Override
    public T process(MutableEntry entry, Object... arguments) {
        T result = null;
        if (assertExists) {
            assertTrue(entry.exists());
            result = (T)entry.getValue();
        }
        entry.remove();
        assertFalse(entry.exists());

        return result;
    }
}