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Apache Commons Lang v3 Source Code Files
Apache Commons Lang 3 is the 3rd version of Apache Commons Lang, which provides a host of helper utilities for the java.lang API.
Apache Commons Lang 3 Source Code files are provided in both binary packge (commons-lang3-3.12.0-bin.zip) and source package (commons-lang3-3.12.0-src.zip). You can download them at Apache Commons Lang Website.
Apache Commons Lang 3 Source Code has no dependencies and is compatible with Java 8 and newer versions. You can compile it to generate your own version of Apache Commons Lang 3 JAR file.
You can also browse the source code below:
✍: FYIcenter
⏎ org/apache/commons/lang3/concurrent/CircuitBreaker.java
/* * 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.commons.lang3.concurrent; /** * <p> * An interface describing a <a * href="http://martinfowler.com/bliki/CircuitBreaker.html">Circuit Breaker</a> component. * </p> * <p> * A <em>circuit breaker</em> can be used to protect an application against unreliable * services or unexpected load. It typically monitors a specific resource. As long as this * resource works as expected, it stays in state <em>closed</em>, meaning that the * resource can be used. If problems are encountered when using the resource, the circuit * breaker can switch into state <em>open</em>; then access to this resource is * prohibited. Depending on a concrete implementation, it is possible that the circuit * breaker switches back to state <em>closed</em> when the resource becomes available * again. * </p> * <p> * This interface defines a generic protocol of a circuit breaker component. It should be * sufficiently generic to be applied to multiple different use cases. * </p> * * @param <T> the type of the value monitored by this circuit breaker * @since 3.5 */ public interface CircuitBreaker<T> { /** * Returns the current open state of this circuit breaker. A return value of * <strong>true</strong> means that the circuit breaker is currently open indicating a * problem in the monitored sub system. * * @return the current open state of this circuit breaker */ boolean isOpen(); /** * Returns the current closed state of this circuit breaker. A return value of * <strong>true</strong> means that the circuit breaker is currently closed. This * means that everything is okay with the monitored sub system. * * @return the current closed state of this circuit breaker */ boolean isClosed(); /** * Checks the state of this circuit breaker and changes it if necessary. The return * value indicates whether the circuit breaker is now in state {@code CLOSED}; a value * of <strong>true</strong> typically means that the current operation can continue. * * @return <strong>true</strong> if the circuit breaker is now closed; * <strong>false</strong> otherwise */ boolean checkState(); /** * Closes this circuit breaker. Its state is changed to closed. If this circuit * breaker is already closed, this method has no effect. */ void close(); /** * Opens this circuit breaker. Its state is changed to open. Depending on a concrete * implementation, it may close itself again if the monitored sub system becomes * available. If this circuit breaker is already open, this method has no effect. */ void open(); /** * Increments the monitored value and performs a check of the current state of this * circuit breaker. This method works like {@link #checkState()}, but the monitored * value is incremented before the state check is performed. * * @param increment value to increment in the monitored value of the circuit breaker * @return <strong>true</strong> if the circuit breaker is now closed; * <strong>false</strong> otherwise */ boolean incrementAndCheckState(T increment); }
⏎ org/apache/commons/lang3/concurrent/CircuitBreaker.java
Or download all of them as a single archive file:
File name: commons-lang3-3.12.0-sources.jar File size: 651724 bytes Release date: 2020-01-22 Download
⇒ Download and Install commons-lang3-3.8.1-bin.zip
⇐ Download Apache Commons Lang v3 Source Package
2022-10-19, 150805👍, 3💬
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