/**
* 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.cassandra.config;
import org.apache.cassandra.locator.AbstractReplicationStrategy;
import org.apache.cassandra.locator.IEndPointSnitch;
import org.apache.cassandra.utils.FBUtilities;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
public final class KSMetaData
{
public final String name;
public final Class<? extends AbstractReplicationStrategy> repStratClass;
public final int replicationFactor;
public final IEndPointSnitch epSnitch;
public final Map<String, CFMetaData> cfMetaData = new HashMap<String, CFMetaData>();
KSMetaData(String name, Class<? extends AbstractReplicationStrategy> repStratClass, int replicationFactor, IEndPointSnitch epSnitch)
{
this.name = name;
this.repStratClass = repStratClass;
this.replicationFactor = replicationFactor;
this.epSnitch = epSnitch;
}
public boolean equals(Object obj)
{
if (obj == null)
return false;
if (!(obj instanceof KSMetaData))
return false;
KSMetaData other = (KSMetaData)obj;
return other.name.equals(name)
&& FBUtilities.equals(other.repStratClass, repStratClass)
&& other.replicationFactor == replicationFactor
&& sameEpSnitch(other, this)
&& other.cfMetaData.size() == cfMetaData.size()
&& other.cfMetaData.equals(cfMetaData);
}
// epsnitches generally have no state, so comparing class names is sufficient.
private static boolean sameEpSnitch(KSMetaData a, KSMetaData b)
{
if (a.epSnitch == null && b.epSnitch == null)
return true;
else if (a.epSnitch == null && b.epSnitch != null)
return false;
else if (a.epSnitch != null && b.epSnitch == null)
return false;
else
return a.epSnitch.getClass().getName().equals(b.epSnitch.getClass().getName());
}
}