geode-dunit/src/main/java/org/apache/geode/cache30/TestCacheLoader.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to You 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.apache.geode.cache30;

import org.apache.geode.cache.CacheLoader;
import org.apache.geode.cache.CacheLoaderException;
import org.apache.geode.cache.LoaderHelper;

/**
 * A <code>CacheLoader</code> used in testing. Users should override the "2" method.
 *
 * @see #wasInvoked
 * @see TestCacheWriter
 *
 *
 * @since GemFire 3.0
 */
public abstract class TestCacheLoader<K, V> extends TestCacheCallback implements CacheLoader<K, V> {

  @Override
  public V load(LoaderHelper<K, V> helper) throws CacheLoaderException {

    this.invoked = true;
    return load2(helper);
  }

  public abstract V load2(LoaderHelper<K, V> helper) throws CacheLoaderException;

}