| /** |
| * 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.hadoop.yarn.server.timelineservice.reader.filter; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.classification.InterfaceStability.Unstable; |
| |
| /** |
| * Filter class which represents filter to be applied based on key-value pair |
| * and the relation between them represented by different relational operators. |
| */ |
| @Private |
| @Unstable |
| public class TimelineCompareFilter extends TimelineFilter { |
| |
| private TimelineCompareOp compareOp; |
| private String key; |
| private Object value; |
| // If comparison operator is NOT_EQUAL, this flag decides if we should return |
| // the entity if key does not exist. |
| private boolean keyMustExist = true; |
| |
| public TimelineCompareFilter() { |
| } |
| |
| public TimelineCompareFilter(TimelineCompareOp op, String key, Object val, |
| boolean keyMustExistFlag) { |
| this.compareOp = op; |
| this.key = key; |
| this.value = val; |
| if (op == TimelineCompareOp.NOT_EQUAL) { |
| this.keyMustExist = keyMustExistFlag; |
| } else { |
| this.keyMustExist = true; |
| } |
| } |
| |
| public TimelineCompareFilter(TimelineCompareOp op, String key, Object val) { |
| this(op, key, val, true); |
| } |
| |
| @Override |
| public TimelineFilterType getFilterType() { |
| return TimelineFilterType.COMPARE; |
| } |
| |
| public TimelineCompareOp getCompareOp() { |
| return compareOp; |
| } |
| |
| public String getKey() { |
| return key; |
| } |
| |
| public void setKey(String keyToBeSet) { |
| key = keyToBeSet; |
| } |
| |
| public Object getValue() { |
| return value; |
| } |
| |
| public void setCompareOp(TimelineCompareOp timelineCompareOp, |
| boolean keyExistFlag) { |
| this.compareOp = timelineCompareOp; |
| if (timelineCompareOp == TimelineCompareOp.NOT_EQUAL) { |
| this.keyMustExist = keyExistFlag; |
| } |
| } |
| |
| public void setValue(Object val) { |
| value = val; |
| } |
| |
| public boolean getKeyMustExist() { |
| return keyMustExist; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((compareOp == null) ? 0 : compareOp.hashCode()); |
| result = prime * result + ((key == null) ? 0 : key.hashCode()); |
| result = prime * result + (keyMustExist ? 1231 : 1237); |
| result = prime * result + ((value == null) ? 0 : value.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| TimelineCompareFilter other = (TimelineCompareFilter) obj; |
| if (compareOp != other.compareOp) { |
| return false; |
| } |
| if (key == null) { |
| if (other.key != null) { |
| return false; |
| } |
| } else if (!key.equals(other.key)) { |
| return false; |
| } |
| if (keyMustExist != other.keyMustExist) { |
| return false; |
| } |
| if (value == null) { |
| if (other.value != null) { |
| return false; |
| } |
| } else if (!value.equals(other.value)) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("%s (%s, %s:%s:%b)", |
| this.getClass().getSimpleName(), this.compareOp.name(), |
| this.key, this.value, this.keyMustExist); |
| } |
| } |