001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.quotas; 019 020import java.util.HashSet; 021import java.util.Set; 022import org.apache.commons.lang3.StringUtils; 023import org.apache.yetus.audience.InterfaceAudience; 024 025/** 026 * Filter to use to filter the QuotaRetriever results. 027 */ 028@InterfaceAudience.Public 029public class QuotaFilter { 030 private Set<QuotaType> types = new HashSet<>(); 031 private boolean hasFilters = false; 032 private String namespaceRegex; 033 private String tableRegex; 034 private String userRegex; 035 private String regionServerRegex; 036 037 public QuotaFilter() { 038 } 039 040 /** 041 * Set the user filter regex 042 * @param regex the user filter 043 * @return the quota filter object 044 */ 045 public QuotaFilter setUserFilter(final String regex) { 046 this.userRegex = regex; 047 hasFilters |= StringUtils.isNotEmpty(regex); 048 return this; 049 } 050 051 /** 052 * Set the table filter regex 053 * @param regex the table filter 054 * @return the quota filter object 055 */ 056 public QuotaFilter setTableFilter(final String regex) { 057 this.tableRegex = regex; 058 hasFilters |= StringUtils.isNotEmpty(regex); 059 return this; 060 } 061 062 /** 063 * Set the namespace filter regex 064 * @param regex the namespace filter 065 * @return the quota filter object 066 */ 067 public QuotaFilter setNamespaceFilter(final String regex) { 068 this.namespaceRegex = regex; 069 hasFilters |= StringUtils.isNotEmpty(regex); 070 return this; 071 } 072 073 /** 074 * Set the region server filter regex 075 * @param regex the region server filter 076 * @return the quota filter object 077 */ 078 public QuotaFilter setRegionServerFilter(final String regex) { 079 this.regionServerRegex = regex; 080 hasFilters |= StringUtils.isNotEmpty(regex); 081 return this; 082 } 083 084 /** 085 * Add a type to the filter list 086 * @param type the type to filter on 087 * @return the quota filter object 088 */ 089 public QuotaFilter addTypeFilter(final QuotaType type) { 090 this.types.add(type); 091 hasFilters |= true; 092 return this; 093 } 094 095 /** Returns true if the filter is empty */ 096 public boolean isNull() { 097 return !hasFilters; 098 } 099 100 /** Returns the QuotaType types that we want to filter one */ 101 public Set<QuotaType> getTypeFilters() { 102 return types; 103 } 104 105 /** Returns the Namespace filter regex */ 106 public String getNamespaceFilter() { 107 return namespaceRegex; 108 } 109 110 /** Returns the Table filter regex */ 111 public String getTableFilter() { 112 return tableRegex; 113 } 114 115 /** Returns the User filter regex */ 116 public String getUserFilter() { 117 return userRegex; 118 } 119 120 /** Returns the RegionServer filter regex */ 121 public String getRegionServerFilter() { 122 return regionServerRegex; 123 } 124}