| /* |
| * 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.ignite.internal.util; |
| |
| import java.time.Instant; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| |
| /** |
| * Timer to use mostly for debugging purposes. |
| */ |
| public class GridTimer { |
| /** Timer name. */ |
| private final String name; |
| |
| /** Start time. */ |
| private final long start = U.currentTimeMillis(); |
| |
| /** End time. */ |
| private long end; |
| |
| /** Max duration threshold. */ |
| private long threshold; |
| |
| /** |
| * @param name Timer name. |
| */ |
| public GridTimer(String name) { |
| this.name = name; |
| |
| threshold = -1; |
| } |
| |
| /** |
| * @param name Timer name. |
| * @param threshold Max duration threshold. |
| */ |
| public GridTimer(String name, long threshold) { |
| this.name = name; |
| this.threshold = threshold; |
| } |
| |
| /** |
| * Stops this timer. |
| * |
| * @return Duration. |
| */ |
| public long stop() { |
| end = U.currentTimeMillis(); |
| |
| if (maxedOut()) |
| debug("Timer maxed out [name=" + name + ", duration=" + duration() + ']'); |
| |
| return end - start; |
| } |
| |
| /** |
| * Stops this timer. |
| * |
| * @return {@code True} if didn't max out. |
| */ |
| public boolean stopx() { |
| end = U.currentTimeMillis(); |
| |
| if (maxedOut()) { |
| debug("Timer maxed out [name=" + name + ", duration=" + duration() + ']'); |
| |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /** |
| * @return {@code True} if maxed out. |
| */ |
| public boolean maxedOut() { |
| return threshold > 0 && duration() >= threshold; |
| } |
| |
| /** |
| * @return {@code True} if stopped. |
| */ |
| boolean stopped() { |
| return end > 0; |
| } |
| |
| /** |
| * @return Timer duration. |
| */ |
| public long duration() { |
| return end > 0 ? end - start : U.currentTimeMillis() - start; |
| } |
| |
| /** |
| * @return End time ({@code -1} if not stopped). |
| */ |
| public long endTime() { |
| return end; |
| } |
| |
| /** |
| * @return Start time. |
| */ |
| public long startTime() { |
| return start; |
| } |
| |
| /** |
| * @return Max duration threshold. |
| */ |
| public long threshold() { |
| return threshold; |
| } |
| |
| /** |
| * @return Timer name. |
| */ |
| public String name() { |
| return name; |
| } |
| |
| /** |
| * @param msg Message to debug. |
| */ |
| private void debug(String msg) { |
| System.out.println('<' + IgniteUtils.DEBUG_DATE_FMT.format(Instant.ofEpochMilli(U.currentTimeMillis())) |
| + "><DEBUG><" + Thread.currentThread().getName() + "> " + msg); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(GridTimer.class, this, "duration", duration()); |
| } |
| } |