/*
* 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.data.hadoop.test.context;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.context.support.GenericApplicationContext;
import org.springframework.data.hadoop.test.support.HadoopClusterDelegatingFactoryBean;
import org.springframework.data.hadoop.test.support.ConfigurationDelegatingFactoryBean;
import org.springframework.test.context.MergedContextConfiguration;
/**
* Utils used in custom context loaders.
*
* @author Janne Valkealahti
*
*/
abstract class HadoopClusterInjectUtils {
/**
* Create cluster and configuration beans.
*
* @param context the context in which the configuration classes should be registered
* @param mergedConfig the merged configuration from which the classes should be retrieved
*/
public static void handleClusterInject(GenericApplicationContext context,
MergedContextConfiguration mergedConfig) {
final Class<MiniHadoopCluster> annotationType = MiniHadoopCluster.class;
Class<?> testClass = mergedConfig.getTestClass();
boolean hasMiniHadoopCluster = testClass.isAnnotationPresent(annotationType);
MiniHadoopCluster annotation = testClass.getAnnotation(annotationType);
if (hasMiniHadoopCluster) {
String clusterName = annotation.clusterName();
String configName = annotation.configName();
String id = annotation.id();
int nodeCount = annotation.nodes();
BeanDefinitionBuilder builder = BeanDefinitionBuilder
.genericBeanDefinition(HadoopClusterDelegatingFactoryBean.class);
builder.addPropertyValue("id", id);
builder.addPropertyValue("nodes", nodeCount);
context.registerBeanDefinition(clusterName, builder.getBeanDefinition());
builder = BeanDefinitionBuilder
.genericBeanDefinition(ConfigurationDelegatingFactoryBean.class);
builder.addPropertyReference("cluster", clusterName);
context.registerBeanDefinition(configName, builder.getBeanDefinition());
}
}
}