49 lines
1.3 KiB
Java
49 lines
1.3 KiB
Java
/*
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* Copyright 2015 Christian Basler
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package ch.dissem.bitmessage.utils;
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/**
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* Waits for a value within a callback method to be set.
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*/
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public class CallbackWaiter<T> {
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private final long startTime = System.currentTimeMillis();
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private volatile boolean isSet;
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private T value;
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private long time;
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public void setValue(T value) {
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synchronized (this) {
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this.time = System.currentTimeMillis() - startTime;
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this.value = value;
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this.isSet = true;
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}
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}
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public T waitForValue() throws InterruptedException {
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while (!isSet) {
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Thread.sleep(100);
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}
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synchronized (this) {
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return value;
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}
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}
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public long getTime() {
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return time;
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}
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}
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