org.springframework.batch.item.ItemStreamSupport.java Source code

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Here is the source code for org.springframework.batch.item.ItemStreamSupport.java

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/*
 * Copyright 2006-2013 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
 *
 *      https://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.springframework.batch.item;

import org.springframework.batch.item.util.ExecutionContextUserSupport;

/**
 * Empty method implementation of {@link ItemStream}.
 *
 * @author Dave Syer
 * @author Dean de Bree
 *
 */
public abstract class ItemStreamSupport implements ItemStream {

    private final ExecutionContextUserSupport executionContextUserSupport = new ExecutionContextUserSupport();

    /**
     * No-op.
     * @see org.springframework.batch.item.ItemStream#close()
     */
    @Override
    public void close() {
    }

    /**
     * No-op.
     * @see org.springframework.batch.item.ItemStream#open(ExecutionContext)
     */
    @Override
    public void open(ExecutionContext executionContext) {
    }

    /**
     * Return empty {@link ExecutionContext}.
     * @see org.springframework.batch.item.ItemStream#update(ExecutionContext)
     */
    @Override
    public void update(ExecutionContext executionContext) {
    }

    /**
     * The name of the component which will be used as a stem for keys in the
     * {@link ExecutionContext}. Subclasses should provide a default value, e.g.
     * the short form of the class name.
     * 
     * @param name the name for the component
     */
    public void setName(String name) {
        this.setExecutionContextName(name);
    }

    protected void setExecutionContextName(String name) {
        executionContextUserSupport.setName(name);
    }

    public String getExecutionContextKey(String key) {
        return executionContextUserSupport.getKey(key);
    }

}