/*
* Copyright 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
*
* 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.springframework.yarn.integration.config;
import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.factory.parsing.BeanComponentDefinition;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.BeanDefinitionReaderUtils;
import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.ip.tcp.TcpInboundGateway;
import org.springframework.integration.ip.tcp.connection.TcpNetServerConnectionFactory;
import org.springframework.util.StringUtils;
import org.springframework.yarn.YarnSystemConstants;
import org.springframework.yarn.config.YarnNamespaceUtils;
import org.springframework.yarn.integration.IntegrationAppmasterServiceFactoryBean;
import org.springframework.yarn.integration.ip.mind.MindRpcSerializer;
import org.springframework.yarn.integration.support.DefaultPortExposingTcpSocketSupport;
import org.w3c.dom.Element;
/**
* Simple namespace parser for <yarn-int:amservice>.
*
* @author Janne Valkealahti
*
*/
public class IntegrationAmServiceParser extends AbstractSingleBeanDefinitionParser {
@Override
protected Class<?> getBeanClass(Element element) {
return IntegrationAppmasterServiceFactoryBean.class;
}
@Override
protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
boolean hasChannelAttribute = element.hasAttribute("channel");
if(!hasChannelAttribute) {
// service dispatch channel
BeanDefinitionBuilder defBuilder = BeanDefinitionBuilder.genericBeanDefinition(DirectChannel.class);
AbstractBeanDefinition beanDef = defBuilder.getBeanDefinition();
String channelBeanName = BeanDefinitionReaderUtils.generateBeanName(beanDef, parserContext.getRegistry());
parserContext.registerBeanComponent(new BeanComponentDefinition(beanDef, channelBeanName));
builder.addPropertyReference("channel", channelBeanName);
// serializer
defBuilder = BeanDefinitionBuilder.genericBeanDefinition(MindRpcSerializer.class);
beanDef = defBuilder.getBeanDefinition();
String serializerBeanName = BeanDefinitionReaderUtils.generateBeanName(beanDef, parserContext.getRegistry());
parserContext.registerBeanComponent(new BeanComponentDefinition(beanDef, serializerBeanName));
// socket support
defBuilder = BeanDefinitionBuilder.genericBeanDefinition(DefaultPortExposingTcpSocketSupport.class);
beanDef = defBuilder.getBeanDefinition();
String socketSupportBeanName = BeanDefinitionReaderUtils.generateBeanName(beanDef, parserContext.getRegistry());
parserContext.registerBeanComponent(new BeanComponentDefinition(beanDef, socketSupportBeanName));
builder.addPropertyReference("socketSupport", socketSupportBeanName);
// connection factory
defBuilder = BeanDefinitionBuilder.genericBeanDefinition(TcpNetServerConnectionFactory.class);
String port = element.hasAttribute("default-port") ? element.getAttribute("default-port") : "0";
defBuilder.addConstructorArgValue(port);
defBuilder.addPropertyReference("tcpSocketSupport", socketSupportBeanName);
defBuilder.addPropertyReference("serializer", serializerBeanName);
defBuilder.addPropertyReference("deserializer", serializerBeanName);
beanDef = defBuilder.getBeanDefinition();
String connectionFactoryBeanName = BeanDefinitionReaderUtils.generateBeanName(beanDef, parserContext.getRegistry());
parserContext.registerBeanComponent(new BeanComponentDefinition(beanDef, connectionFactoryBeanName));
// gateway
defBuilder = BeanDefinitionBuilder.genericBeanDefinition(TcpInboundGateway.class);
defBuilder.addPropertyReference("connectionFactory", connectionFactoryBeanName);
defBuilder.addPropertyReference("requestChannel", channelBeanName);
beanDef = defBuilder.getBeanDefinition();
String gatewayBeanName = BeanDefinitionReaderUtils.generateBeanName(beanDef, parserContext.getRegistry());
parserContext.registerBeanComponent(new BeanComponentDefinition(beanDef, gatewayBeanName));
builder.addPropertyReference("channel", channelBeanName);
} else {
YarnNamespaceUtils.setReferenceIfAttributeDefined(builder, element, "channel");
}
YarnNamespaceUtils.setValueIfAttributeDefined(builder, element, "service-impl");
YarnNamespaceUtils.setReferenceIfAttributeDefined(builder, element, "service-ref");
YarnNamespaceUtils.setReferenceIfAttributeDefined(builder, element, "object-mapper");
YarnNamespaceUtils.setReferenceIfAttributeDefined(builder, element, "socket-support");
}
@Override
protected String resolveId(Element element, AbstractBeanDefinition definition, ParserContext parserContext)
throws BeanDefinitionStoreException {
String name = super.resolveId(element, definition, parserContext);
if (!StringUtils.hasText(name)) {
name = YarnSystemConstants.DEFAULT_ID_AMSERVICE;
}
return name;
}
}