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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
/*
* 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.streaming;
import java.io.Serializable;
import java.util.Set;
import java.util.UUID;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
/**
* Current snapshot of streaming progress.
*/
public class StreamState implements Serializable
{
public final UUID planId;
public final String description;
public final Set sessions;
public StreamState(UUID planId, String description, Set sessions)
{
this.planId = planId;
this.description = description;
this.sessions = sessions;
}
public boolean hasFailedSession()
{
return Iterables.any(sessions, new Predicate()
{
public boolean apply(SessionInfo session)
{
return session.isFailed();
}
});
}
}