| /* |
| * 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.nifi.controller; |
| |
| import org.apache.nifi.util.FormatUtils; |
| |
| import java.text.DateFormat; |
| import java.text.NumberFormat; |
| import java.text.SimpleDateFormat; |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.List; |
| |
| public class StandardGarbageCollectionEvent implements GarbageCollectionEvent { |
| private final String gcName; |
| private final String action; |
| private final String cause; |
| private final long startTime; |
| private final long endTime; |
| private final List<GarbageCollectionHeapSize> heapSizes; |
| private final DateFormat dateFormat = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss.SSS"); |
| |
| public StandardGarbageCollectionEvent(final String gcName, final String action, final String cause, final long startTime, final long endTime, final List<GarbageCollectionHeapSize> heapSizes) { |
| this.gcName = gcName; |
| this.action = action; |
| this.cause = cause; |
| this.startTime = startTime; |
| this.endTime = endTime; |
| this.heapSizes = heapSizes; |
| } |
| |
| @Override |
| public String getGarbageCollectorName() { |
| return gcName; |
| } |
| |
| @Override |
| public String getAction() { |
| return action; |
| } |
| |
| @Override |
| public String getCause() { |
| return cause; |
| } |
| |
| @Override |
| public long getStartTime() { |
| return startTime; |
| } |
| |
| @Override |
| public long getEndTime() { |
| return endTime; |
| } |
| |
| @Override |
| public long getDuration() { |
| return endTime - startTime; |
| } |
| |
| @Override |
| public List<GarbageCollectionHeapSize> getHeapSizes() { |
| return Collections.unmodifiableList(heapSizes); |
| } |
| |
| @Override |
| public String toString() { |
| final StringBuilder sb = new StringBuilder(); |
| sb.append("GarbageCollectionEvent[collectorName=").append(gcName) |
| .append(", action=").append(action) |
| .append(", cause=").append(cause) |
| .append(", startTime=").append(dateFormat.format(new Date(startTime))) |
| .append(", endTime=").append(dateFormat.format(new Date(endTime))) |
| .append(", duration=").append(NumberFormat.getInstance().format(endTime - startTime)) |
| .append(" ms, heap sizes={"); |
| |
| for (int i=0; i < heapSizes.size(); i++) { |
| final GarbageCollectionHeapSize size = heapSizes.get(i); |
| |
| sb.append(size.getMemoryPoolName()) |
| .append(": ") |
| .append(FormatUtils.formatDataSize(size.getUsedBeforeCollection())) |
| .append(" => ") |
| .append(FormatUtils.formatDataSize(size.getUsedAfterCollection())); |
| |
| if (i < heapSizes.size() - 1) { |
| sb.append(", "); |
| } |
| } |
| |
| sb.append("}]"); |
| return sb.toString(); |
| } |
| |
| public static class StandardGarbageCollectionHeapSize implements GarbageCollectionHeapSize { |
| private final String memoryPoolName; |
| private final long usedBefore; |
| private final long usedAfter; |
| |
| public StandardGarbageCollectionHeapSize(final String memoryPoolName, final long usedBefore, final long usedAfter) { |
| this.memoryPoolName = memoryPoolName; |
| this.usedBefore = usedBefore; |
| this.usedAfter = usedAfter; |
| } |
| |
| @Override |
| public String getMemoryPoolName() { |
| return memoryPoolName; |
| } |
| |
| @Override |
| public long getUsedBeforeCollection() { |
| return usedBefore; |
| } |
| |
| @Override |
| public long getUsedAfterCollection() { |
| return usedAfter; |
| } |
| |
| @Override |
| public String toString() { |
| return "HeapSize[memoryPool=" + memoryPoolName + ", " + FormatUtils.formatDataSize(usedBefore) + " => " + FormatUtils.formatDataSize(usedAfter) + "]"; |
| } |
| } |
| } |