spring-batch GemfireItemWriter 源码
spring-batch GemfireItemWriter 代码
文件路径：/spring-batch-infrastructure/src/main/java/org/springframework/batch/item/data/GemfireItemWriter.java
/*
* Copyright 2002-2013 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.data;
import org.springframework.batch.item.ItemWriter;
import org.springframework.batch.item.KeyValueItemWriter;
import org.springframework.data.gemfire.GemfireOperations;
import org.springframework.data.gemfire.GemfireTemplate;
import org.springframework.util.Assert;
/**
* An {@link ItemWriter} that stores items in GemFire
*
* @author David Turanski
* @since 2.2
*
*/
public class GemfireItemWriter<K, V> extends KeyValueItemWriter<K, V> {
private GemfireOperations gemfireTemplate;
/**
* @param gemfireTemplate the {@link GemfireTemplate} to set
*/
public void setTemplate(GemfireTemplate gemfireTemplate) {
this.gemfireTemplate = gemfireTemplate;
}
/*
* (non-Javadoc)
*
* @see
* org.springframework.batch.item.KeyValueItemWriter#writeKeyValue(java.lang.Object,
* java.lang.Object)
*/
@Override
protected void writeKeyValue(K key, V value) {
if (delete) {
gemfireTemplate.remove(key);
}
else {
gemfireTemplate.put(key, value);
}
}
/*
* (non-Javadoc)
*
* @see org.springframework.batch.item.KeyValueItemWriter#init()
*/
@Override
protected void init() {
Assert.notNull(gemfireTemplate, "A GemfireTemplate is required.");
}
}
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