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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.

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/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
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 * 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
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 * Unless required by applicable law or agreed to in writing,
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package org.apache.cassandra.concurrent;

import java.util.concurrent.ExecutorService;

public interface LocalAwareExecutorService extends ExecutorService
{
    // we need a way to inject a TraceState directly into the Executor context without going through
    // the global Tracing sessions; see CASSANDRA-5668
    public void execute(Runnable command, ExecutorLocals locals);

    // permits executing in the context of the submitting thread
    public void maybeExecuteImmediately(Runnable command);
}