| /* |
| * 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.felix.dm.impl.index.multiproperty; |
| |
| import java.util.Arrays; |
| |
| public class MultiPropertyKey { |
| |
| private MultiPropertyKeyPart[] properties; |
| |
| public MultiPropertyKey(int filterSize) { |
| properties = new MultiPropertyKeyPart[0]; |
| } |
| |
| // Initial adding key values. |
| public void add(String key, String value) { |
| int newLength = properties.length + 1; |
| MultiPropertyKeyPart[] tmpKeys = new MultiPropertyKeyPart[newLength]; |
| |
| System.arraycopy(properties, 0, tmpKeys, 0, properties.length); |
| tmpKeys[newLength-1] = new MultiPropertyKeyPart(key, value); |
| |
| this.properties = tmpKeys; |
| Arrays.sort(properties); |
| } |
| |
| public void append(MultiPropertyKey other) { |
| int newLength = properties.length + other.properties.length; |
| MultiPropertyKeyPart[] tmpKeys = new MultiPropertyKeyPart[newLength]; |
| |
| System.arraycopy(properties, 0, tmpKeys, 0, properties.length); |
| System.arraycopy(other.properties, 0, tmpKeys, properties.length, other.properties.length); |
| |
| this.properties = tmpKeys; |
| Arrays.sort(properties); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Arrays.hashCode(properties); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if (!(obj instanceof MultiPropertyKey)) { |
| return false; |
| } |
| |
| MultiPropertyKey other = (MultiPropertyKey) obj; |
| |
| if (properties.length != other.properties.length) { |
| return false; |
| } |
| |
| for (int i = 0; i < properties.length; i++) { |
| if (!(properties[i].equals(other.properties[i]))) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder builder = new StringBuilder(); |
| for (int i = 0; i < properties.length; i++) { |
| builder.append(properties[i].key); |
| builder.append('='); |
| builder.append(properties[i].value); |
| if (i < properties.length - 1) { |
| builder.append(';'); |
| } |
| } |
| return builder.toString(); |
| } |
| |
| // (key=value) part of a multi property index (&(key1=val1)(key2=val2) .. ) |
| private class MultiPropertyKeyPart implements Comparable<MultiPropertyKeyPart> { |
| |
| private final String key; |
| private final String value; |
| |
| public MultiPropertyKeyPart(String key, String value) { |
| this.key = key; |
| this.value = value; |
| } |
| |
| @Override |
| public int hashCode() { |
| int h = 0; |
| h += 31 * key.hashCode(); |
| h += value.hashCode(); |
| return h; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (!(obj instanceof MultiPropertyKeyPart)) |
| return false; |
| |
| MultiPropertyKeyPart object = (MultiPropertyKeyPart) obj; |
| |
| if (!(this.key.equals(object.key))) |
| return false; |
| if (!(this.value.equals(object.value))) |
| return false; |
| |
| return true; |
| } |
| |
| @Override |
| public int compareTo(MultiPropertyKeyPart o) { |
| if (this.key.compareTo(o.key) == 0) { |
| return this.value.compareTo(o.value); |
| } |
| return this.key.compareTo(o.key); |
| } |
| } |
| } |