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/*
*
* 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.store.berkeleydb.replication;
import java.util.Map;
import org.apache.qpid.server.model.VirtualHost;
import org.apache.qpid.server.store.berkeleydb.EnvironmentFacade;
import org.apache.qpid.server.store.berkeleydb.EnvironmentFacadeFactory;
import com.sleepycat.je.Durability;
import com.sleepycat.je.Durability.ReplicaAckPolicy;
import com.sleepycat.je.Durability.SyncPolicy;
public class ReplicatedEnvironmentFacadeFactory implements EnvironmentFacadeFactory
{
private static final int DEFAULT_NODE_PRIORITY = 1;
private static final Durability DEFAULT_DURABILITY = new Durability(SyncPolicy.NO_SYNC, SyncPolicy.NO_SYNC,
ReplicaAckPolicy.SIMPLE_MAJORITY);
private static final boolean DEFAULT_COALESCING_SYNC = true;
@Override
public EnvironmentFacade createEnvironmentFacade(final VirtualHost virtualHost, boolean isMessageStore)
{
ReplicatedEnvironmentConfiguration configuration = new ReplicatedEnvironmentConfiguration()
{
@Override
public boolean isDesignatedPrimary()
{
return convertBoolean(virtualHost.getAttribute("haDesignatedPrimary"), false);
}
@Override
public boolean isCoalescingSync()
{
return convertBoolean(virtualHost.getAttribute("haCoalescingSync"), DEFAULT_COALESCING_SYNC);
}
@Override
public String getStorePath()
{
return (String) virtualHost.getAttribute(VirtualHost.STORE_PATH);
}
@Override
public Map<String, String> getParameters()
{
return (Map<String, String>) virtualHost.getAttribute("bdbEnvironmentConfig");
}
@Override
public Map<String, String> getReplicationParameters()
{
return (Map<String, String>) virtualHost.getAttribute("haReplicationConfig");
}
@Override
public int getQuorumOverride()
{
return 0;
}
@Override
public int getPriority()
{
return DEFAULT_NODE_PRIORITY;
}
@Override
public String getName()
{
return (String)virtualHost.getAttribute("haNodeName");
}
@Override
public String getHostPort()
{
return (String)virtualHost.getAttribute("haNodeAddress");
}
@Override
public String getHelperHostPort()
{
return (String)virtualHost.getAttribute("haHelperAddress");
}
@Override
public String getGroupName()
{
return (String)virtualHost.getAttribute("haGroupName");
}
@Override
public String getDurability()
{
return virtualHost.getAttribute("haDurability") == null ? DEFAULT_DURABILITY.toString() : (String)virtualHost.getAttribute("haDurability");
}
};
return new ReplicatedEnvironmentFacade(configuration);
}
@Override
public String getType()
{
return ReplicatedEnvironmentFacade.TYPE;
}
private boolean convertBoolean(final Object value, boolean defaultValue)
{
if(value instanceof Boolean)
{
return (Boolean) value;
}
else if(value instanceof String)
{
return Boolean.valueOf((String) value);
}
else if(value == null)
{
return defaultValue;
}
else
{
throw new IllegalArgumentException("Cannot convert type " + value.getClass() + " to a Boolean");
}
}
}
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