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- Add FlowController into bundling - Move FlowController into core - Move BundlingSettings in bundling - Add FlowControllerRuntimeException
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src/main/java/com/google/api/gax/bundling/BundlingFlowController.java
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/* | ||
* Copyright 2017, Google Inc. All rights reserved. | ||
* | ||
* Redistribution and use in source and binary forms, with or without | ||
* modification, are permitted provided that the following conditions are | ||
* met: | ||
* | ||
* * Redistributions of source code must retain the above copyright | ||
* notice, this list of conditions and the following disclaimer. | ||
* * Redistributions in binary form must reproduce the above | ||
* copyright notice, this list of conditions and the following disclaimer | ||
* in the documentation and/or other materials provided with the | ||
* distribution. | ||
* * Neither the name of Google Inc. nor the names of its | ||
* contributors may be used to endorse or promote products derived from | ||
* this software without specific prior written permission. | ||
* | ||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
*/ | ||
package com.google.api.gax.bundling; | ||
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import com.google.api.gax.core.FlowController; | ||
import com.google.api.gax.core.FlowController.FlowControlException; | ||
import com.google.common.base.Preconditions; | ||
import com.google.common.primitives.Ints; | ||
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/** Wraps a {@link FlowController} for use by Bundling. */ | ||
public class BundlingFlowController<T> { | ||
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private final FlowController flowController; | ||
private final ElementCounter<T> elementCounter; | ||
private final ElementCounter<T> byteCounter; | ||
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public BundlingFlowController( | ||
FlowController flowController, | ||
ElementCounter<T> elementCounter, | ||
ElementCounter<T> byteCounter) { | ||
this.flowController = flowController; | ||
this.elementCounter = elementCounter; | ||
this.byteCounter = byteCounter; | ||
} | ||
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public void reserve(T bundle) throws FlowControlException { | ||
Preconditions.checkNotNull(bundle); | ||
int elements = Ints.checkedCast(elementCounter.count(bundle)); | ||
int bytes = Ints.checkedCast(byteCounter.count(bundle)); | ||
flowController.reserve(elements, bytes); | ||
} | ||
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public void release(T bundle) { | ||
Preconditions.checkNotNull(bundle); | ||
int elements = Ints.checkedCast(elementCounter.count(bundle)); | ||
int bytes = Ints.checkedCast(byteCounter.count(bundle)); | ||
flowController.release(elements, bytes); | ||
} | ||
} |
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