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...http/src/main/java/org/apache/eventmesh/connector/http/common/BoundedConcurrentQueue.java
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...c/main/java/org/apache/eventmesh/connector/http/common/SynchronizedCircularFifoQueue.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.eventmesh.connector.http.common; | ||
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| import org.apache.commons.collections4.queue.CircularFifoQueue; | ||
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| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.Iterator; | ||
| import java.util.List; | ||
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| /** | ||
| * SynchronizedCircularFifoQueue is a synchronized version of CircularFifoQueue. | ||
| */ | ||
| public class SynchronizedCircularFifoQueue<E> extends CircularFifoQueue<E> { | ||
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| /** | ||
| * <p>Default constructor. capacity = 32</p> | ||
| */ | ||
| public SynchronizedCircularFifoQueue() { | ||
| super(); | ||
| } | ||
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| public SynchronizedCircularFifoQueue(Collection<? extends E> coll) { | ||
| super(coll); | ||
| } | ||
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| public SynchronizedCircularFifoQueue(int size) { | ||
| super(size); | ||
| } | ||
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| @Override | ||
| public synchronized boolean add(E element) { | ||
| return super.add(element); | ||
| } | ||
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| @Override | ||
| public synchronized void clear() { | ||
| super.clear(); | ||
| } | ||
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| @Override | ||
| public synchronized E element() { | ||
| return super.element(); | ||
| } | ||
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| @Override | ||
| public synchronized E get(int index) { | ||
| return super.get(index); | ||
| } | ||
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| @Override | ||
| public synchronized boolean isAtFullCapacity() { | ||
| return super.isAtFullCapacity(); | ||
| } | ||
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| @Override | ||
| public synchronized boolean isEmpty() { | ||
| return super.isEmpty(); | ||
| } | ||
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| @Override | ||
| public synchronized boolean isFull() { | ||
| return super.isFull(); | ||
| } | ||
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| @Override | ||
| public synchronized int maxSize() { | ||
| return super.maxSize(); | ||
| } | ||
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| @Override | ||
| public synchronized boolean offer(E element) { | ||
| return super.offer(element); | ||
| } | ||
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| @Override | ||
| public synchronized E peek() { | ||
| return super.peek(); | ||
| } | ||
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| @Override | ||
| public synchronized E poll() { | ||
| return super.poll(); | ||
| } | ||
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| @Override | ||
| public synchronized E remove() { | ||
| return super.remove(); | ||
| } | ||
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| @Override | ||
| public synchronized int size() { | ||
| return super.size(); | ||
| } | ||
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| /** | ||
| * <p>Fetch a range of elements from the queue.</p> | ||
| * | ||
| * @param start start index | ||
| * @param end end index | ||
| * @param removed whether to remove the elements from the queue | ||
| * @return list of elements | ||
| */ | ||
| public synchronized List<E> fetchRange(int start, int end, boolean removed) { | ||
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| if (start < 0 || end > this.size() || start > end) { | ||
| throw new IllegalArgumentException("Invalid range"); | ||
| } | ||
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| Iterator<E> iterator = this.iterator(); | ||
| List<E> items = new ArrayList<>(end - start); | ||
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| int count = 0; | ||
| while (iterator.hasNext() && count < end) { | ||
| E item = iterator.next(); | ||
| if (item != null && count >= start) { | ||
| // Add the element to the list | ||
| items.add(item); | ||
| if (removed) { | ||
| // Remove the element from the queue | ||
| iterator.remove(); | ||
| } | ||
| } | ||
| count++; | ||
| } | ||
| return items; | ||
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| } | ||
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| } |
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