org.springframework.data.gemfire.function.config.AbstractFunctionExecutionBeanDefinitionBuilder Maven / Gradle / Ivy
/*
* Copyright 2002-2013 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.gemfire.function.config;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.config.BeanDefinition;
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.support.BeanDefinitionRegistry;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* Base class for Function Execution bean definition builders.
*
* @author David Turanski
* @author John Blum
*/
abstract class AbstractFunctionExecutionBeanDefinitionBuilder {
protected final FunctionExecutionConfiguration configuration;
protected final Log log = LogFactory.getLog(getClass());
/**
*
* @param configuration the configuration values
*/
AbstractFunctionExecutionBeanDefinitionBuilder(FunctionExecutionConfiguration configuration) {
Assert.notNull(configuration);
this.configuration = configuration;
}
/**
* Build the bean definition
* @param registry
* @return
*/
BeanDefinition build(BeanDefinitionRegistry registry) {
BeanDefinitionBuilder functionProxyFactoryBeanBuilder = BeanDefinitionBuilder.rootBeanDefinition(
getFunctionProxyFactoryBeanClass());
functionProxyFactoryBeanBuilder.addConstructorArgValue(configuration.getFunctionExecutionInterface());
functionProxyFactoryBeanBuilder.addConstructorArgReference(BeanDefinitionReaderUtils.registerWithGeneratedName(
buildGemfireFunctionOperations(registry), registry));
return functionProxyFactoryBeanBuilder.getBeanDefinition();
}
protected AbstractBeanDefinition buildGemfireFunctionOperations(BeanDefinitionRegistry registry) {
BeanDefinitionBuilder functionTemplateBuilder = getGemfireFunctionOperationsBeanDefinitionBuilder(registry);
functionTemplateBuilder.setLazyInit(true);
String resultCollectorReference = (String) configuration.getAttribute("resultCollector");
if (StringUtils.hasText(resultCollectorReference)){
functionTemplateBuilder.addPropertyReference("resultCollector", resultCollectorReference);
}
return functionTemplateBuilder.getBeanDefinition();
}
/* Subclasses implement to specify the types to uses. */
protected abstract Class getFunctionProxyFactoryBeanClass();
protected abstract BeanDefinitionBuilder getGemfireFunctionOperationsBeanDefinitionBuilder(
BeanDefinitionRegistry registry);
}