96 lines
2.8 KiB
Java
96 lines
2.8 KiB
Java
package io.github.ehlxr.did.client;
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import io.github.ehlxr.did.common.SdkProto;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.Semaphore;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicBoolean;
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/**
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* @author ehlxr
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*/
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public class ResponseFuture {
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private final long timeoutMillis;
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private final Semaphore semaphore;
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private final InvokeCallback invokeCallback;
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private final AtomicBoolean executeCallbackOnlyOnce = new AtomicBoolean(false);
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private final AtomicBoolean semaphoreReleaseOnlyOnce = new AtomicBoolean(false);
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private final CountDownLatch countDownLatch = new CountDownLatch(1);
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private volatile Throwable cause;
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private volatile SdkProto sdkProto;
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public ResponseFuture(long timeoutMillis, InvokeCallback invokeCallback, Semaphore semaphore) {
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this.timeoutMillis = timeoutMillis;
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this.invokeCallback = invokeCallback;
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this.semaphore = semaphore;
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}
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/**
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* 流量控制时，释放获取的信号量
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*/
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public void release() {
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if (this.semaphore != null) {
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if (semaphoreReleaseOnlyOnce.compareAndSet(false, true)) {
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this.semaphore.release();
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}
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}
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}
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public void executeInvokeCallback() {
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if (invokeCallback != null) {
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if (executeCallbackOnlyOnce.compareAndSet(false, true)) {
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invokeCallback.operationComplete(this);
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}
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}
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}
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public SdkProto waitResponse(final long timeoutMillis) throws InterruptedException {
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this.countDownLatch.await(timeoutMillis, TimeUnit.MILLISECONDS);
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return this.sdkProto;
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}
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/**
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* 同步请求时，释放阻塞的CountDown
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*/
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public void putResponse(SdkProto sdkProto) {
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this.sdkProto = sdkProto;
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this.countDownLatch.countDown();
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}
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public InvokeCallback getInvokeCallback() {
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return invokeCallback;
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}
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public SdkProto getSdkProto() {
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return sdkProto;
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}
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public void setSdkProto(SdkProto sdkProto) {
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this.sdkProto = sdkProto;
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}
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public Throwable getCause() {
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return cause;
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}
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public void setCause(Throwable cause) {
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this.cause = cause;
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}
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@Override
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public String toString() {
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return "ResponseFuture{" +
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", timeoutMillis=" + timeoutMillis +
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", semaphore=" + semaphore +
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", invokeCallback=" + invokeCallback +
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", executeCallbackOnlyOnce=" + executeCallbackOnlyOnce +
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", semaphoreReleaseOnlyOnce=" + semaphoreReleaseOnlyOnce +
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", countDownLatch=" + countDownLatch +
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", cause=" + cause +
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", sdkProto=" + sdkProto +
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'}';
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}
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}
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