From b731e2f1dd0972409b136aebc7b463dd72c9cfad Mon Sep 17 00:00:00 2001 From: CNlucius Date: Tue, 13 Sep 2016 11:40:12 +0800 Subject: ONOSFW-171 O/S-SFC-ONOS scenario documentation Change-Id: I51ae1cf736ea24ab6680f8edca1b2bf5dd598365 Signed-off-by: CNlucius --- .../store/service/DistributedQueue.java | 62 ---------------------- 1 file changed, 62 deletions(-) delete mode 100644 framework/src/onos/core/api/src/main/java/org/onosproject/store/service/DistributedQueue.java (limited to 'framework/src/onos/core/api/src/main/java/org/onosproject/store/service/DistributedQueue.java') diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/store/service/DistributedQueue.java b/framework/src/onos/core/api/src/main/java/org/onosproject/store/service/DistributedQueue.java deleted file mode 100644 index cc0b00d3..00000000 --- a/framework/src/onos/core/api/src/main/java/org/onosproject/store/service/DistributedQueue.java +++ /dev/null @@ -1,62 +0,0 @@ -/* - * Copyright 2015 Open Networking Laboratory - * - * Licensed 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.onosproject.store.service; - -import java.util.concurrent.CompletableFuture; - -/** - * A distributed collection designed for holding elements prior to processing. - * A queue provides insertion, extraction and inspection operations. The extraction operation - * is designed to be non-blocking. - * - * @param queue entry type - */ -public interface DistributedQueue { - - /** - * Returns total number of entries in the queue. - * @return queue size - */ - long size(); - - /** - * Returns true if queue has elements in it. - * @return true is queue has elements, false otherwise - */ - default boolean isEmpty() { - return size() == 0; - } - - /** - * Inserts an entry into the queue. - * @param entry entry to insert - */ - void push(E entry); - - /** - * If the queue is non-empty, an entry will be removed from the queue and the returned future - * will be immediately completed with it. If queue is empty when this call is made, the returned - * future will be eventually completed when an entry is added to the queue. - * @return queue entry - */ - CompletableFuture pop(); - - /** - * Returns an entry from the queue without removing it. If the queue is empty returns null. - * @return queue entry or null if queue is empty - */ - E peek(); -} \ No newline at end of file -- cgit 1.2.3-korg