| /* |
| * |
| * 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.bookkeeper.client; |
| |
| import java.util.Enumeration; |
| |
| /** |
| * Implements objects to help with the synchronization of asynchronous calls. |
| * |
| */ |
| |
| class SyncCounter { |
| int i; |
| int rc; |
| int total; |
| Enumeration<LedgerEntry> seq = null; |
| LedgerHandle lh = null; |
| |
| synchronized void inc() { |
| i++; |
| total++; |
| } |
| |
| synchronized void dec() { |
| i--; |
| notifyAll(); |
| } |
| |
| synchronized void block(int limit) throws InterruptedException { |
| while (i > limit) { |
| int prev = i; |
| wait(); |
| if (i == prev) { |
| break; |
| } |
| } |
| } |
| |
| synchronized int total() { |
| return total; |
| } |
| |
| void setrc(int rc) { |
| this.rc = rc; |
| } |
| |
| int getrc() { |
| return rc; |
| } |
| |
| void setSequence(Enumeration<LedgerEntry> seq) { |
| this.seq = seq; |
| } |
| |
| Enumeration<LedgerEntry> getSequence() { |
| return seq; |
| } |
| |
| void setLh(LedgerHandle lh) { |
| this.lh = lh; |
| } |
| |
| LedgerHandle getLh() { |
| return lh; |
| } |
| } |