/*
* JBoss, Home of Professional Open Source
* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.config;
import org.infinispan.CacheException;
import org.infinispan.config.Configuration.*;
import org.infinispan.util.ReflectionUtil;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
/**
* OverrideConfigurationVisitor breaks down fields of Configuration object to individual components
* and then compares them for field updates.
*
* @author Vladimir Blagojevic
* @since 4.0
*/
public class OverrideConfigurationVisitor extends AbstractConfigurationBeanVisitor {
private AsyncType asyncType = null;
private CacheLoaderManagerConfig cacheLoaderManagerConfig = null;
private ClusteringType clusteringType = null;
private final Map <String,BooleanAttributeType> bats = new HashMap<String,BooleanAttributeType>();
private CustomInterceptorsType customInterceptorsType = null;
private DeadlockDetectionType deadlockDetectionType = null;
private EvictionType evictionType = null;
private ExpirationType expirationType = null;
private GroupsConfiguration groupsConfiguration = null;
private HashType hashType = null;
private L1Type l1Type = null;
private LockingType lockingType = null;
private StateRetrievalType stateRetrievalType = null;
private SyncType syncType = null;
private TransactionType transactionType = null;
private UnsafeType unsafeType = null;
private QueryConfigurationBean indexingType = null;
private RecoveryType recoveryType = null;
private StoreAsBinary storeAsBinary = null;
private DataContainerType dataContainerType;
public void override(OverrideConfigurationVisitor override) {
// special handling for BooleanAttributeType
Set<Entry<String, BooleanAttributeType>> entrySet = override.bats.entrySet();
for (Entry<String, BooleanAttributeType> entry : entrySet) {
String booleanAttributeName = entry.getKey();
BooleanAttributeType attributeType = bats.get(booleanAttributeName);
BooleanAttributeType overrideAttributeType = override.bats.get(booleanAttributeName);
overrideFields(attributeType, overrideAttributeType);
}
//do we need to make clones of complex objects like list of cache loaders?
overrideFields(cacheLoaderManagerConfig, override.cacheLoaderManagerConfig);
//everything else...
overrideFields(asyncType, override.asyncType);
overrideFields(clusteringType, override.clusteringType);
overrideFields(deadlockDetectionType, override.deadlockDetectionType);
overrideFields(evictionType, override.evictionType);
overrideFields(expirationType, override.expirationType);
overrideFields(groupsConfiguration, override.groupsConfiguration);
overrideFields(hashType, override.hashType);
overrideFields(l1Type, override.l1Type);
overrideFields(lockingType, override.lockingType);
overrideFields(stateRetrievalType, override.stateRetrievalType);
overrideFields(syncType, override.syncType);
overrideFields(transactionType, override.transactionType);
overrideFields(recoveryType, override.recoveryType);
overrideFields(unsafeType, override.unsafeType);
overrideFields(indexingType, override.indexingType);
overrideFields(customInterceptorsType, override.customInterceptorsType);
overrideFields(storeAsBinary, override.storeAsBinary);
overrideFields(dataContainerType, override.dataContainerType);
}
private void overrideFields(AbstractConfigurationBean bean, AbstractConfigurationBean overrides) {
if (overrides != null && bean != null) {
// does this component have overridden fields?
for (String overridenField : overrides.overriddenConfigurationElements) {
try {
// If the original configuration option has overriden fields,
// when overriding maintain the overriden state
bean.overriddenConfigurationElements.add(overridenField);
ReflectionUtil.setValue(bean, overridenField, ReflectionUtil.getValue(overrides,overridenField));
} catch (Exception e1) {
throw new CacheException("Could not apply value for field " + overridenField
+ " from instance " + overrides + " on instance " + this, e1);
}
}
}
}
@Override
public void visitAsyncType(AsyncType bean) {
asyncType = bean;
}
@Override
public void visitBooleanAttributeType(BooleanAttributeType bat) {
bats.put(bat.getFieldName(), bat);
}
@Override
public void visitCacheLoaderManagerConfig(CacheLoaderManagerConfig bean) {
cacheLoaderManagerConfig = bean;
}
@Override
public void visitClusteringType(ClusteringType bean) {
clusteringType = bean;
}
@Override
public void visitCustomInterceptorsType(CustomInterceptorsType bean) {
customInterceptorsType = bean;
}
@Override
public void visitDeadlockDetectionType(DeadlockDetectionType bean) {
deadlockDetectionType = bean;
}
@Override
public void visitEvictionType(EvictionType bean) {
evictionType = bean;
}
@Override
public void visitExpirationType(ExpirationType bean) {
expirationType = bean;
}
@Override
public void visitGroupConfig(GroupsConfiguration bean) {
groupsConfiguration = bean;
}
@Override
public void visitHashType(HashType bean) {
hashType = bean;
}
@Override
public void visitL1Type(L1Type bean) {
l1Type = bean;
}
@Override
public void visitLockingType(LockingType bean) {
lockingType = bean;
}
@Override
public void visitStateRetrievalType(StateRetrievalType bean) {
stateRetrievalType = bean;
}
@Override
public void visitSyncType(SyncType bean) {
syncType = bean;
}
@Override
public void visitTransactionType(TransactionType bean) {
transactionType = bean;
}
@Override
public void visitUnsafeType(UnsafeType bean) {
unsafeType = bean;
}
@Override
public void visitQueryConfigurationBean(QueryConfigurationBean bean) {
indexingType = bean;
}
@Override
public void visitRecoveryType(RecoveryType config) {
this.recoveryType = config;
}
@Override
public void visitStoreAsBinaryType(StoreAsBinary config) {
this.storeAsBinary = config;
}
@Override
public void visitDataContainerType(DataContainerType bean) {
this.dataContainerType = bean;
}
}