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-rw-r--r--qpid/java/junit-toolkit/src/main/org/apache/qpid/junit/extensions/SleepThrottle.java81
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diff --git a/qpid/java/junit-toolkit/src/main/org/apache/qpid/junit/extensions/SleepThrottle.java b/qpid/java/junit-toolkit/src/main/org/apache/qpid/junit/extensions/SleepThrottle.java
deleted file mode 100644
index 2dc4c0e272..0000000000
--- a/qpid/java/junit-toolkit/src/main/org/apache/qpid/junit/extensions/SleepThrottle.java
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- *
- * 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.junit.extensions;
-
-/**
- * SleepThrottle is a Throttle implementation that generates short pauses using the thread sleep methods. As the pauses
- * get shorter, this technique gets more innacurate. In practice, around 100 Hz is the cap rate for accuracy.
- *
- * <p/><table id="crc"><caption>CRC Card</caption>
- * <tr><th> Responsibilities <th> Collaborations
- * <tr><td> Accept throttling rate in operations per second.
- * <tr><td> Inject short pauses to fill out processing cycles to a specified rate.
- * <tr><td> Check against a throttle speed without waiting.
- * </table>
- *
- * @author Rupert Smith
- */
-public class SleepThrottle extends BaseThrottle implements Throttle
-{
- /** Holds the time of the last call to the throttle method in nano seconds. */
- private long lastTimeNanos;
-
- /**
- * This method can only be called at the rate set by the {@link #setRate} method, if it is called faster than this
- * it will inject short pauses to restrict the call rate to that rate.
- */
- public void throttle()
- {
- // Get the current time in nanos.
- long currentTimeNanos = System.nanoTime();
-
- // Don't introduce any pause on the first call.
- if (!firstCall)
- {
- // Check if there is any time left in the cycle since the last call to this method and introduce a short pause
- // to fill that time if there is.
- long remainingTimeNanos = cycleTimeNanos - (currentTimeNanos - lastTimeNanos);
-
- if (remainingTimeNanos > 0)
- {
- long milliPause = remainingTimeNanos / 1000000;
- int nanoPause = (int) (remainingTimeNanos % 1000000);
-
- try
- {
- Thread.sleep(milliPause, nanoPause);
- }
- catch (InterruptedException e)
- {
- // Restore the interrupted thread, in-case the caller is checking for it.
- Thread.currentThread().interrupt();
- }
- }
- }
- else
- {
- firstCall = false;
- }
-
- // Update the last time stamp.
- lastTimeNanos = System.nanoTime();
- }
-}