/*
* Copyright 2011 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 com.navercorp.pinpoint.common.hbase;
import java.util.Enumeration;
import java.util.Properties;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.util.Assert;
/**
* Factory for creating HBase specific configuration. By default cleans up any connection associated with the current configuration.
*
* @author Costin Leau
*/
public class HbaseConfigurationFactoryBean implements InitializingBean, FactoryBean<Configuration> {
private Configuration configuration;
private Configuration hadoopConfig;
private Properties properties;
/**
* Sets the Hadoop configuration to use.
*
* @param configuration The configuration to set.
*/
public void setConfiguration(Configuration configuration) {
this.hadoopConfig = configuration;
}
/**
* Sets the configuration properties.
*
* @param properties The properties to set.
*/
public void setProperties(Properties properties) {
this.properties = properties;
}
public void afterPropertiesSet() {
configuration = (hadoopConfig != null ? HBaseConfiguration.create(hadoopConfig) : HBaseConfiguration.create());
addProperties(configuration, properties);
}
/**
* Adds the specified properties to the given {@link Configuration} object.
*
* @param configuration configuration to manipulate. Should not be null.
* @param properties properties to add to the configuration. May be null.
*/
private void addProperties(Configuration configuration, Properties properties) {
Assert.notNull(configuration, "A non-null configuration is required");
if (properties != null) {
Enumeration<?> props = properties.propertyNames();
while (props.hasMoreElements()) {
String key = props.nextElement().toString();
configuration.set(key, properties.getProperty(key));
}
}
}
public Configuration getObject() {
return configuration;
}
public Class<? extends Configuration> getObjectType() {
return (configuration != null ? configuration.getClass() : Configuration.class);
}
public boolean isSingleton() {
return true;
}
}