| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| Index |
|
| 1.0;1 |
| 1 | /* | |
| 2 | * #%L | |
| 3 | * Index.java - mongodb-async-driver - Allanbank Consulting, Inc. | |
| 4 | * %% | |
| 5 | * Copyright (C) 2011 - 2014 Allanbank Consulting, Inc. | |
| 6 | * %% | |
| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 8 | * you may not use this file except in compliance with the License. | |
| 9 | * You may obtain a copy of the License at | |
| 10 | * | |
| 11 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 12 | * | |
| 13 | * Unless required by applicable law or agreed to in writing, software | |
| 14 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 16 | * See the License for the specific language governing permissions and | |
| 17 | * limitations under the License. | |
| 18 | * #L% | |
| 19 | */ | |
| 20 | ||
| 21 | package com.allanbank.mongodb.builder; | |
| 22 | ||
| 23 | import com.allanbank.mongodb.bson.element.IntegerElement; | |
| 24 | import com.allanbank.mongodb.bson.element.StringElement; | |
| 25 | ||
| 26 | /** | |
| 27 | * Provides the ability to easily specify the index type of a field within an | |
| 28 | * index specification. | |
| 29 | * | |
| 30 | * @api.yes This class is part of the driver's API. Public and protected members | |
| 31 | * will be deprecated for at least 1 non-bugfix release (version | |
| 32 | * numbers are <major>.<minor>.<bugfix>) before being | |
| 33 | * removed or modified. | |
| 34 | * @copyright 2012-2013, Allanbank Consulting, Inc., All Rights Reserved | |
| 35 | */ | |
| 36 | public final class Index { | |
| 37 | ||
| 38 | /** The value to indicate an ascending index order. */ | |
| 39 | public static final int ASCENDING = Sort.ASCENDING; | |
| 40 | ||
| 41 | /** The value to indicate an descending index order. */ | |
| 42 | public static final int DESCENDING = Sort.DESCENDING; | |
| 43 | ||
| 44 | /** The value for the {@value} index. */ | |
| 45 | public static final String GEO_2D_INDEX_NAME = "2d"; | |
| 46 | ||
| 47 | /** The value for the {@value} index. */ | |
| 48 | public static final String GEO_2DSPHERE_INDEX_NAME = "2dsphere"; | |
| 49 | ||
| 50 | /** The value for the {@value} index. */ | |
| 51 | public static final String GEO_HAYSTACK_INDEX_NAME = "geoHaystack"; | |
| 52 | ||
| 53 | /** The value for the {@value} index. */ | |
| 54 | public static final String HASHED_INDEX_NAME = "hashed"; | |
| 55 | ||
| 56 | /** The value for the {@value} index. */ | |
| 57 | public static final String TEXT_INDEX_NAME = "text"; | |
| 58 | ||
| 59 | /** | |
| 60 | * Creates an ascending order specification, e.g., | |
| 61 | * <tt>{ <field> : 1 }</tt>. | |
| 62 | * <p> | |
| 63 | * This method is equivalent to {@link Sort#asc(String)} method. | |
| 64 | * </p> | |
| 65 | * | |
| 66 | * @param field | |
| 67 | * The field to create the ascending index on. | |
| 68 | * @return The ascending sort specification. | |
| 69 | */ | |
| 70 | public static IntegerElement asc(final String field) { | |
| 71 | 102 | return Sort.asc(field); |
| 72 | } | |
| 73 | ||
| 74 | /** | |
| 75 | * Creates an descending order specification, e.g., | |
| 76 | * <tt>{ <field> : -1 }</tt>. | |
| 77 | * <p> | |
| 78 | * This method is equivalent to the {@link Sort#desc(String)} method. | |
| 79 | * </p> | |
| 80 | * | |
| 81 | * @param field | |
| 82 | * The field to create the descending index on. | |
| 83 | * @return The descending sort specification. | |
| 84 | */ | |
| 85 | public static IntegerElement desc(final String field) { | |
| 86 | 11 | return Sort.desc(field); |
| 87 | } | |
| 88 | ||
| 89 | /** | |
| 90 | * Creates an 2D index specification, e.g., | |
| 91 | * <tt>{ <field> : "2d" }</tt>. | |
| 92 | * | |
| 93 | * @param field | |
| 94 | * The field to create the '2d' index on. | |
| 95 | * @return The 2D index specification. | |
| 96 | */ | |
| 97 | public static StringElement geo2d(final String field) { | |
| 98 | 2 | return new StringElement(field, GEO_2D_INDEX_NAME); |
| 99 | } | |
| 100 | ||
| 101 | /** | |
| 102 | * Creates an 2D Sphere index specification, e.g., | |
| 103 | * <tt>{ <field> : "2dsphere" }</tt>. | |
| 104 | * | |
| 105 | * @param field | |
| 106 | * The field to create the '2dsphere' index on. | |
| 107 | * @return The 2D Sphere index specification. | |
| 108 | * @since MongoDB 2.4 | |
| 109 | */ | |
| 110 | public static StringElement geo2dSphere(final String field) { | |
| 111 | 2 | return new StringElement(field, GEO_2DSPHERE_INDEX_NAME); |
| 112 | } | |
| 113 | ||
| 114 | /** | |
| 115 | * Creates a haystack index specification, e.g., | |
| 116 | * <tt>{ <field> : "geoHaystack" }</tt>. | |
| 117 | * | |
| 118 | * @param field | |
| 119 | * The field to create the 'geoHaystack' index on. | |
| 120 | * @return The 2D Sphere index specification. | |
| 121 | * @see <a | |
| 122 | * href="http://docs.mongodb.org/manual/applications/geohaystack/">Haystack | |
| 123 | * Index Documentation</a> | |
| 124 | */ | |
| 125 | public static StringElement geoHaystack(final String field) { | |
| 126 | 1 | return new StringElement(field, GEO_HAYSTACK_INDEX_NAME); |
| 127 | } | |
| 128 | ||
| 129 | /** | |
| 130 | * Creates an 'hashed' index specification, e.g., | |
| 131 | * <tt>{ <field> : "hashed" }</tt>. | |
| 132 | * | |
| 133 | * @param field | |
| 134 | * The field to create the 'hashed' index on. | |
| 135 | * @return The 'hashed' index specification. | |
| 136 | * @since MongoDB 2.4 | |
| 137 | */ | |
| 138 | public static StringElement hashed(final String field) { | |
| 139 | 2 | return new StringElement(field, HASHED_INDEX_NAME); |
| 140 | } | |
| 141 | ||
| 142 | /** | |
| 143 | * Creates an 'text' index specification, e.g., | |
| 144 | * <tt>{ <field> : "text" }</tt>. | |
| 145 | * <p> | |
| 146 | * <b>Note:</b> MongoDB Inc. considers text indexes to be an experimental | |
| 147 | * feature in the 2.4 release. Use with <b>extreme</b> caution. At a minimum | |
| 148 | * make sure you have read the <a | |
| 149 | * href="http://docs.mongodb.org/manual/release-notes/2.4/#text-indexes" | |
| 150 | * >MongoDB Text Index Documentation</a>. | |
| 151 | * </p> | |
| 152 | * | |
| 153 | * @param field | |
| 154 | * The field to create the 'text' index on. | |
| 155 | * @return The 'text' index specification. | |
| 156 | * @since MongoDB 2.4 | |
| 157 | * @see <a | |
| 158 | * href="http://docs.mongodb.org/manual/release-notes/2.4/#text-indexes">MongoDB | |
| 159 | * Text Index Documentation</a> | |
| 160 | */ | |
| 161 | public static StringElement text(final String field) { | |
| 162 | 2 | return new StringElement(field, TEXT_INDEX_NAME); |
| 163 | } | |
| 164 | ||
| 165 | /** | |
| 166 | * Creates a new Sort. | |
| 167 | */ | |
| 168 | private Index() { | |
| 169 | 0 | super(); |
| 170 | 0 | } |
| 171 | } |