| /** |
| * 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 java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.classification.InterfaceStability.Unstable; |
| |
| /** |
| * Implementation of {@link TimelineFilter} that represents an ordered list of |
| * timeline filters which will then be evaluated with a specified boolean |
| * operator {@link Operator#AND} or {@link Operator#OR}. Since you can use |
| * timeline filter lists as children of timeline filter lists, you can create a |
| * hierarchy of filters to be evaluated. |
| */ |
| @Private |
| @Unstable |
| public class TimelineFilterList extends TimelineFilter { |
| /** |
| * Specifies how filters in the filter list will be evaluated. AND means all |
| * the filters should match and OR means atleast one should match. |
| */ |
| @Private |
| @Unstable |
| public static enum Operator { |
| AND, |
| OR |
| } |
| |
| private Operator operator; |
| private List<TimelineFilter> filterList = new ArrayList<TimelineFilter>(); |
| |
| public TimelineFilterList(TimelineFilter...filters) { |
| this(Operator.AND, filters); |
| } |
| |
| public TimelineFilterList() { |
| this(Operator.AND); |
| } |
| |
| public TimelineFilterList(Operator op) { |
| this.operator = op; |
| } |
| |
| public TimelineFilterList(Operator op, TimelineFilter...filters) { |
| this.operator = op; |
| this.filterList = new ArrayList<TimelineFilter>(Arrays.asList(filters)); |
| } |
| |
| @Override |
| public TimelineFilterType getFilterType() { |
| return TimelineFilterType.LIST; |
| } |
| |
| /** |
| * Get the filter list. |
| * |
| * @return filterList |
| */ |
| public List<TimelineFilter> getFilterList() { |
| return filterList; |
| } |
| |
| /** |
| * Get the operator. |
| * |
| * @return operator |
| */ |
| public Operator getOperator() { |
| return operator; |
| } |
| |
| public void setOperator(Operator op) { |
| operator = op; |
| } |
| |
| public void addFilter(TimelineFilter filter) { |
| filterList.add(filter); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = |
| prime * result + ((filterList == null) ? 0 : filterList.hashCode()); |
| result = |
| prime * result + ((operator == null) ? 0 : operator.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; |
| } |
| TimelineFilterList other = (TimelineFilterList) obj; |
| if (operator != other.operator) { |
| return false; |
| } |
| if (filterList == null) { |
| if (other.filterList != null) { |
| return false; |
| } |
| } else if (!filterList.equals(other.filterList)) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("TimelineFilterList %s (%d): %s", |
| this.operator, this.filterList.size(), this.filterList.toString()); |
| } |
| } |