org.spring.data.gemfire.config.RegionPutAllBeanPostProcessor.java Source code

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Here is the source code for org.spring.data.gemfire.config.RegionPutAllBeanPostProcessor.java

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/*
 * Copyright 2014-present 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
 *
 *        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.spring.data.gemfire.config;

import java.util.Collections;
import java.util.Map;

import com.gemstone.gemfire.cache.Region;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;

/**
 * The RegionPutAllBeanPostProcessor class is a Spring BeanPostProcessor that enables a GemFire Cache Region to be
 * initialized with data (key/values) in Spring XML configuration meta-data.
 *
 * @author John Blum
 * @see java.util.Map
 * @see com.gemstone.gemfire.cache.Region
 * @see org.springframework.beans.factory.config.BeanPostProcessor
 * @since 1.3.3 (Spring Data GemFire)
 * @since 7.0.1 (GemFire)
 */
@SuppressWarnings("unused")
public class RegionPutAllBeanPostProcessor implements BeanPostProcessor {

    private Map regionData;

    private String targetBeanName;

    protected Map getRegionData() {
        return (regionData != null ? regionData : Collections.emptyMap());
    }

    public void setRegionData(final Map regionData) {
        this.regionData = regionData;
    }

    protected String getTargetBeanName() {
        Assert.state(StringUtils.hasText(targetBeanName),
                "The target Spring context bean name was not properly specified!");
        return targetBeanName;
    }

    public void setTargetBeanName(final String targetBeanName) {
        Assert.hasText(targetBeanName, "The target Spring context bean name must be specified!");
        this.targetBeanName = targetBeanName;
    }

    @Override
    public Object postProcessBeforeInitialization(final Object bean, final String beanName) throws BeansException {
        return bean;
    }

    @Override
    @SuppressWarnings("unchecked")
    public Object postProcessAfterInitialization(final Object bean, final String beanName) throws BeansException {
        if (beanName.equals(getTargetBeanName()) && bean instanceof Region) {
            ((Region) bean).putAll(getRegionData());
        }

        return bean;
    }

}