| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.qpid.server.virtualhost.berkeleydb; |
| |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.qpid.server.model.ConfiguredObject; |
| import org.apache.qpid.server.model.ManagedAttributeField; |
| import org.apache.qpid.server.model.ManagedObject; |
| import org.apache.qpid.server.model.ManagedObjectFactoryConstructor; |
| import org.apache.qpid.server.model.VirtualHostNode; |
| import org.apache.qpid.server.store.MessageStore; |
| import org.apache.qpid.server.store.berkeleydb.BDBConfigurationStore; |
| import org.apache.qpid.server.store.berkeleydb.replication.ReplicatedEnvironmentFacade; |
| import org.apache.qpid.server.virtualhost.AbstractVirtualHost; |
| |
| import com.sleepycat.je.Durability.SyncPolicy; |
| |
| @ManagedObject( category = false, type = BDBHAVirtualHostImpl.VIRTUAL_HOST_TYPE ) |
| public class BDBHAVirtualHostImpl extends AbstractVirtualHost<BDBHAVirtualHostImpl> implements BDBHAVirtualHost<BDBHAVirtualHostImpl> |
| { |
| public static final String VIRTUAL_HOST_TYPE = "BDB_HA"; |
| |
| private final BDBConfigurationStore _configurationStore; |
| |
| @ManagedAttributeField |
| private String _localTransactionSynchronizationPolicy; |
| |
| @ManagedAttributeField |
| private String _remoteTransactionSynchronizationPolicy; |
| |
| @ManagedAttributeField |
| private Long _storeUnderfullSize; |
| |
| @ManagedAttributeField |
| private Long _storeOverfullSize; |
| |
| @ManagedObjectFactoryConstructor(conditionallyAvailable = true, condition = "org.apache.qpid.server.JECheck#isAvailable()") |
| public BDBHAVirtualHostImpl(final Map<String, Object> attributes, VirtualHostNode<?> virtualHostNode) |
| { |
| super(attributes, virtualHostNode); |
| |
| _configurationStore = (BDBConfigurationStore) virtualHostNode.getConfigurationStore(); |
| } |
| |
| @Override |
| protected MessageStore createMessageStore() |
| { |
| return _configurationStore.getMessageStore(); |
| } |
| |
| @Override |
| public String getLocalTransactionSynchronizationPolicy() |
| { |
| return _localTransactionSynchronizationPolicy; |
| } |
| |
| @Override |
| public String getRemoteTransactionSynchronizationPolicy() |
| { |
| return _remoteTransactionSynchronizationPolicy; |
| } |
| |
| @Override |
| public String getDurability() |
| { |
| ReplicatedEnvironmentFacade facade = getReplicatedEnvironmentFacade(); |
| if (facade != null) |
| { |
| return String.valueOf(facade.getMessageStoreDurability()); |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean isCoalescingSync() |
| { |
| return SyncPolicy.SYNC.name().equals(_localTransactionSynchronizationPolicy); |
| } |
| |
| @Override |
| public void onOpen() |
| { |
| ReplicatedEnvironmentFacade facade = getReplicatedEnvironmentFacade(); |
| if (facade != null) |
| { |
| facade.setMessageStoreDurability( |
| SyncPolicy.valueOf(getLocalTransactionSynchronizationPolicy()), |
| SyncPolicy.valueOf(getRemoteTransactionSynchronizationPolicy()), |
| ReplicatedEnvironmentFacade.REPLICA_REPLICA_ACKNOWLEDGMENT_POLICY); |
| } |
| super.onOpen(); |
| } |
| |
| @Override |
| protected void validateChange(final ConfiguredObject<?> proxyForValidation, final Set<String> changedAttributes) |
| { |
| super.validateChange(proxyForValidation, changedAttributes); |
| |
| if(changedAttributes.contains(LOCAL_TRANSACTION_SYNCHRONIZATION_POLICY)) |
| { |
| String policy = ((BDBHAVirtualHost<?>)proxyForValidation).getLocalTransactionSynchronizationPolicy(); |
| validateTransactionSynchronizationPolicy(policy); |
| } |
| |
| if(changedAttributes.contains(REMOTE_TRANSACTION_SYNCHRONIZATION_POLICY)) |
| { |
| String policy = ((BDBHAVirtualHost<?>)proxyForValidation).getRemoteTransactionSynchronizationPolicy(); |
| validateTransactionSynchronizationPolicy(policy); |
| } |
| |
| } |
| |
| private void validateTransactionSynchronizationPolicy(String policy) |
| { |
| try |
| { |
| SyncPolicy.valueOf(policy); |
| } |
| catch(Exception e) |
| { |
| throw new IllegalArgumentException("Invalid transaction synchronization policy '" + policy + "'. " + e.getMessage()); |
| } |
| } |
| |
| private ReplicatedEnvironmentFacade getReplicatedEnvironmentFacade() |
| { |
| return (ReplicatedEnvironmentFacade) _configurationStore.getEnvironmentFacade(); |
| } |
| |
| @Override |
| public Long getStoreUnderfullSize() |
| { |
| return _storeUnderfullSize; |
| } |
| |
| @Override |
| public Long getStoreOverfullSize() |
| { |
| return _storeOverfullSize; |
| } |
| |
| @Override |
| public void onValidate() |
| { |
| super.onValidate(); |
| |
| validateTransactionSynchronizationPolicy(this.getLocalTransactionSynchronizationPolicy()); |
| validateTransactionSynchronizationPolicy(this.getRemoteTransactionSynchronizationPolicy()); |
| } |
| |
| } |