/*
* Copyright 2016 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.config.annotation;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.core.annotation.AnnotationAttributes;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.data.gemfire.util.ArrayUtils;
/**
* The {@link DiskStoresConfiguration} class is a Spring {@link org.springframework.context.annotation.ImportBeanDefinitionRegistrar}
* used to register multiple GemFire/Geode {@link org.apache.geode.cache.DiskStore} bean definitions.
*
* @author John Blum
* @see org.springframework.beans.factory.support.BeanDefinitionRegistry
* @see org.springframework.data.gemfire.config.annotation.DiskStoreConfiguration
* @see org.springframework.data.gemfire.config.annotation.EnableDiskStore
* @see org.springframework.data.gemfire.config.annotation.EnableDiskStores
* @see org.apache.geode.cache.DiskStore
* @since 1.9.0
*/
public class DiskStoresConfiguration extends DiskStoreConfiguration {
/**
* @inheritDoc
*/
@Override
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {
if (importingClassMetadata.hasAnnotation(EnableDiskStores.class.getName())) {
AnnotationAttributes enableDiskStoresAttributes = AnnotationAttributes.fromMap(
importingClassMetadata.getAnnotationAttributes(EnableDiskStores.class.getName()));
AnnotationAttributes[] diskStores = ArrayUtils.nullSafeArray(
enableDiskStoresAttributes.getAnnotationArray("diskStores"), AnnotationAttributes.class);
for (AnnotationAttributes diskStoreAttributes : diskStores) {
registerDiskStoreBeanDefinition(importingClassMetadata,
mergeDiskStoreAttributes(enableDiskStoresAttributes, diskStoreAttributes), registry);
}
}
}
/* (non-Javadoc) */
protected AnnotationAttributes mergeDiskStoreAttributes(AnnotationAttributes enableDiskStoresAttributes,
AnnotationAttributes diskStoreAttributes) {
setAttributeIfNotDefault(diskStoreAttributes, "autoCompact",
enableDiskStoresAttributes.getBoolean("autoCompact"), false);
setAttributeIfNotDefault(diskStoreAttributes, "compactionThreshold",
enableDiskStoresAttributes.<Integer>getNumber("compactionThreshold"), 50);
setAttributeIfNotDefault(diskStoreAttributes, "maxOplogSize",
enableDiskStoresAttributes.<Integer>getNumber("maxOplogSize"), 1024);
return diskStoreAttributes;
}
/* (non-Javadoc) */
private <T> void setAttributeIfNotDefault(AnnotationAttributes diskStoreAttributes,
String attributeName, T newValue, T defaultValue) {
if (!diskStoreAttributes.containsKey(attributeName)
|| toString(diskStoreAttributes.get(attributeName)).equals(toString(defaultValue))) {
diskStoreAttributes.put(attributeName, newValue);
}
}
/* (non-Javadoc) */
private String toString(Object value) {
return String.valueOf(value);
}
}