| /* |
| * 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.lucene.monitor; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.TreeMap; |
| |
| import org.apache.lucene.search.Query; |
| |
| /** |
| * Defines a query to be stored in a Monitor |
| */ |
| public class MonitorQuery { |
| |
| private final String id; |
| private final Query query; |
| private final String queryString; |
| private final Map<String, String> metadata; |
| |
| /** |
| * Creates a new MonitorQuery |
| * |
| * @param id the query ID |
| * @param query the query to store |
| * @param queryString an optional string representation of the query, for persistent Monitors |
| * @param metadata metadata passed to {@link Presearcher#indexQuery(Query, Map)}. Must not |
| * have any null values |
| */ |
| public MonitorQuery(String id, Query query, String queryString, Map<String, String> metadata) { |
| this.id = id; |
| this.query = query; |
| this.queryString = queryString; |
| this.metadata = Collections.unmodifiableMap(new TreeMap<>(metadata)); |
| checkNullEntries(this.metadata); |
| } |
| |
| /** |
| * Creates a new MonitorQuery with empty metadata and no string representation |
| * |
| * @param id the ID |
| * @param query the query |
| */ |
| public MonitorQuery(String id, Query query) { |
| this(id, query, null, Collections.emptyMap()); |
| } |
| |
| private static void checkNullEntries(Map<String, String> metadata) { |
| for (Map.Entry<String, String> entry : metadata.entrySet()) { |
| if (entry.getValue() == null) |
| throw new IllegalArgumentException("Null value for key " + entry.getKey() + " in metadata map"); |
| } |
| } |
| |
| /** |
| * @return this MonitorQuery's ID |
| */ |
| public String getId() { |
| return id; |
| } |
| |
| /** |
| * @return this MonitorQuery's query |
| */ |
| public Query getQuery() { |
| return query; |
| } |
| |
| /** |
| * @return this MonitorQuery's string representation |
| */ |
| public String getQueryString() { |
| return queryString; |
| } |
| |
| /** |
| * @return this MonitorQuery's metadata |
| */ |
| public Map<String, String> getMetadata() { |
| return metadata; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| MonitorQuery that = (MonitorQuery) o; |
| return Objects.equals(id, that.id) && Objects.equals(query, that.query) && Objects.equals(metadata, that.metadata); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(id, query, metadata); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(id); |
| sb.append(": "); |
| if (queryString == null) { |
| sb.append(query.toString()); |
| } |
| else { |
| sb.append(queryString); |
| } |
| if (metadata.size() != 0) { |
| sb.append(" { "); |
| int n = metadata.size(); |
| for (Map.Entry<String, String> entry : metadata.entrySet()) { |
| n--; |
| sb.append(entry.getKey()).append(": ").append(entry.getValue()); |
| if (n > 0) |
| sb.append(", "); |
| } |
| sb.append(" }"); |
| } |
| return sb.toString(); |
| } |
| } |