extensions/extras/src/main/java/org/apache/batchee/extras/typed/TypedItemProcessor.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.batchee.extras.typed;

import javax.batch.api.chunk.ItemProcessor;

/**
 * Typesafe ItemProcessor
 *
 * @param <I> InputType
 * @param <O> ReturnType
 */
public abstract class TypedItemProcessor<I, O> implements ItemProcessor {
    protected abstract O doProcessItem(I item);

    @Override
    public Object processItem(Object item) throws Exception {
        return doProcessItem((I) item);
    }
}