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java/org/apache/catalina/Executor.java

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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.catalina;
+
+import java.util.concurrent.TimeUnit;
+
+public interface Executor extends java.util.concurrent.Executor, Lifecycle {
+
+    public String getName();
+
+    /**
+     * Executes the given command at some time in the future.  The command
+     * may execute in a new thread, in a pooled thread, or in the calling
+     * thread, at the discretion of the <code>Executor</code> implementation.
+     * If no threads are available, it will be added to the work queue.
+     * If the work queue is full, the system will wait for the specified
+     * time until it throws a RejectedExecutionException
+     *
+     * @param command the runnable task
+     * @param timeout the length of time to wait for the task to complete
+     * @param unit    the units in which timeout is expressed
+     *
+     * @throws java.util.concurrent.RejectedExecutionException if this task
+     * cannot be accepted for execution - the queue is full
+     * @throws NullPointerException if command or unit is null
+     */
+    void execute(Runnable command, long timeout, TimeUnit unit);
+}