com.hazelcast.spring.HazelcastInstanceDefinitionParser Maven / Gradle / Ivy

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/*
 * Copyright (c) 2008-2016, Hazelcast, Inc. All Rights Reserved.
 *
 * 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 com.hazelcast.spring;

import com.hazelcast.instance.HazelcastInstanceFactory;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

/**
 * BeanDefinitionParser for Hazelcast Instance Configuration
 * 
 *
 * Sample Spring XML for Hazelcast Instance:
 * 
 * <hz:hazelcast id="instance">
 *      <hz:config>
 *          <hz:group name="dev" password="password"/>
 *          <hz:network port="5701" port-auto-increment="false">
 *              <hz:join>
 *                  <hz:multicast enabled="false" multicast-group="224.2.2.3" multicast-port="54327"/>
 *                   <hz:tcp-ip enabled="true">
 *                      <hz:members>10.10.1.2, 10.10.1.3</hz:members>
 *                   </hz:tcp-ip>
 *              </hz:join>
 *          </hz:network>
 *          <hz:map name="map" backup-count="2" max-size="0" eviction-percentage="30"
 *              read-backup-data="true" eviction-policy="NONE"
 *          merge-policy="com.hazelcast.map.merge.PassThroughMergePolicy"/>
 *      </hz:config>
 * </hz:hazelcast>
 * 
 */
public class HazelcastInstanceDefinitionParser extends AbstractHazelcastBeanDefinitionParser {

    @Override
    protected AbstractBeanDefinition parseInternal(Element element, ParserContext parserContext) {
        final SpringXmlBuilder springXmlBuilder = new SpringXmlBuilder(parserContext);
        springXmlBuilder.handle(element);
        return springXmlBuilder.getBeanDefinition();
    }

    private class SpringXmlBuilder extends SpringXmlBuilderHelper {

        private final ParserContext parserContext;

        private BeanDefinitionBuilder builder;

        public SpringXmlBuilder(ParserContext parserContext) {
            this.parserContext = parserContext;
            this.builder = BeanDefinitionBuilder.rootBeanDefinition(HazelcastInstanceFactory.class);
            this.builder.setFactoryMethod("newHazelcastInstance");
            this.builder.setDestroyMethodName("shutdown");
        }

        public AbstractBeanDefinition getBeanDefinition() {
            return builder.getBeanDefinition();
        }

        public void handle(Element element) {
            handleCommonBeanAttributes(element, builder, parserContext);
            Element config = null;
            for (Node node : childElements(element)) {
                final String nodeName = cleanNodeName(node);
                if ("config".equals(nodeName)) {
                    config = (Element) node;
                }
            }
            final HazelcastConfigBeanDefinitionParser configParser = new HazelcastConfigBeanDefinitionParser();
            final AbstractBeanDefinition configBeanDef = configParser.parseInternal(config, parserContext);
            this.builder.addConstructorArgValue(configBeanDef);
        }
    }
}