com.avanza.astrix.spring.AstrixFactoryBean Maven / Gradle / Ivy
/*
* Copyright 2014 Avanza Bank AB
*
* 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.avanza.astrix.spring;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.annotation.Autowired;
import com.avanza.astrix.context.AstrixContext;
/**
* Spring {@link FactoryBean} that uses an AstrixContext as
* factory to create a given Astrix bean.
*
* The AstrixContext is typically created by registering an
* {@link AstrixFrameworkBean} in the spring-application context,
* which will create an {@link AstrixContext} in the current
* spring application context.
*
* @author Elias Lindholm (elilin)
* @param
*/
public final class AstrixFactoryBean implements FactoryBean {
private final AstrixContext astrixContext;
private Class beanType;
private String qualifier;
@Autowired
public AstrixFactoryBean(AstrixContext astrixContext) {
this.astrixContext = astrixContext;
}
/**
* The type of the Astrix bean to create.
*
* @param beanType
*/
public void setBeanType(Class beanType) {
this.beanType = beanType;
}
/**
* Optional qualifier used to create an qualified Astrix bean.
*
* @param qualifier
*/
public void setQualifier(String qualifier) {
this.qualifier = qualifier;
}
@Override
public T getObject() throws Exception {
if (beanType == null) {
throw new IllegalStateException("beanType property must be set");
}
if (qualifier != null) {
return astrixContext.getBean(beanType, qualifier);
}
return astrixContext.getBean(beanType);
}
@Override
public Class getObjectType() {
return this.beanType;
}
@Override
public boolean isSingleton() {
return true;
}
}