| /* |
| * 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.solr.common.cloud; |
| |
| import java.io.IOException; |
| import java.util.*; |
| |
| import org.apache.solr.common.util.JavaBinCodec; |
| import org.apache.solr.common.util.Utils; |
| import org.noggit.JSONWriter; |
| |
| import static org.apache.solr.common.util.Utils.toJSONString; |
| |
| /** |
| * ZkNodeProps contains generic immutable properties. |
| */ |
| public class ZkNodeProps implements JSONWriter.Writable { |
| |
| protected final Map<String,Object> propMap; |
| |
| /** |
| * Construct ZKNodeProps from map. |
| */ |
| public ZkNodeProps(Map<String,Object> propMap) { |
| this.propMap = propMap; |
| // TODO: store an unmodifiable map, but in a way that guarantees not to wrap more than once. |
| // Always wrapping introduces a memory leak. |
| } |
| |
| public ZkNodeProps plus(String key , Object val) { |
| return plus(Collections.singletonMap(key,val)); |
| } |
| |
| public ZkNodeProps plus(Map<String, Object> newVals) { |
| LinkedHashMap<String, Object> copy = new LinkedHashMap<>(propMap); |
| if (newVals == null || newVals.isEmpty()) return new ZkNodeProps(copy); |
| copy.putAll(newVals); |
| return new ZkNodeProps(copy); |
| } |
| |
| |
| /** |
| * Constructor that populates the from array of Strings in form key1, value1, |
| * key2, value2, ..., keyN, valueN |
| */ |
| public ZkNodeProps(String... keyVals) { |
| this( Utils.makeMap((Object[]) keyVals) ); |
| } |
| |
| public static ZkNodeProps fromKeyVals(Object... keyVals) { |
| return new ZkNodeProps( Utils.makeMap(keyVals) ); |
| } |
| |
| |
| /** |
| * Get property keys. |
| */ |
| public Set<String> keySet() { |
| return propMap.keySet(); |
| } |
| |
| /** |
| * Get all properties as map. |
| */ |
| public Map<String, Object> getProperties() { |
| return propMap; |
| } |
| |
| /** Returns a shallow writable copy of the properties */ |
| public Map<String,Object> shallowCopy() { |
| return new LinkedHashMap<>(propMap); |
| } |
| |
| /** |
| * Create Replica from json string that is typically stored in zookeeper. |
| */ |
| @SuppressWarnings({"unchecked"}) |
| public static ZkNodeProps load(byte[] bytes) { |
| Map<String, Object> props = null; |
| if (bytes[0] == 2) { |
| try (JavaBinCodec jbc = new JavaBinCodec()) { |
| props = (Map<String, Object>) jbc.unmarshal(bytes); |
| } catch (IOException e) { |
| throw new RuntimeException("Unable to parse javabin content"); |
| } |
| } else { |
| props = (Map<String, Object>) Utils.fromJSON(bytes); |
| } |
| return new ZkNodeProps(props); |
| } |
| |
| @Override |
| public void write(JSONWriter jsonWriter) { |
| jsonWriter.write(propMap); |
| } |
| |
| /** |
| * Get a string property value. |
| */ |
| public String getStr(String key) { |
| Object o = propMap.get(key); |
| return o == null ? null : o.toString(); |
| } |
| |
| /** |
| * Get a string property value. |
| */ |
| public Integer getInt(String key, Integer def) { |
| Object o = propMap.get(key); |
| return o == null ? def : Integer.valueOf(o.toString()); |
| } |
| |
| /** |
| * Get a string property value. |
| */ |
| public String getStr(String key,String def) { |
| Object o = propMap.get(key); |
| return o == null ? def : o.toString(); |
| } |
| |
| public Object get(String key) { |
| return propMap.get(key); |
| } |
| |
| @Override |
| public String toString() { |
| return toJSONString(this); |
| /*** |
| StringBuilder sb = new StringBuilder(); |
| Set<Entry<String,Object>> entries = propMap.entrySet(); |
| for(Entry<String,Object> entry : entries) { |
| sb.append(entry.getKey() + "=" + entry.getValue() + "\n"); |
| } |
| return sb.toString(); |
| ***/ |
| } |
| |
| /** |
| * Check if property key exists. |
| */ |
| public boolean containsKey(String key) { |
| return propMap.containsKey(key); |
| } |
| |
| public boolean getBool(String key, boolean b) { |
| Object o = propMap.get(key); |
| if (o == null) return b; |
| if (o instanceof Boolean) return (boolean) o; |
| return Boolean.parseBoolean(o.toString()); |
| } |
| |
| @Override |
| public boolean equals(Object that) { |
| return that instanceof ZkNodeProps && ((ZkNodeProps)that).propMap.equals(this.propMap); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(propMap); |
| } |
| } |