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/*
 * Copyright (c) 2008-2014 MongoDB, Inc.
 *
 * Licensed 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 com.mongodb.client.model;

import org.bson.conversions.Bson;

import java.util.List;
import java.util.concurrent.TimeUnit;

import static com.mongodb.assertions.Assertions.isTrueArgument;
import static java.util.Arrays.asList;

/**
 * The options to apply to the creation of an index.
 *
 * @mongodb.driver.manual reference/command/createIndexes Index options
 * @since 3.0
 */
public class IndexOptions {
    private static final List VALID_TEXT_INDEX_VERSIONS = asList(1, 2);
    private static final List VALID_SPHERE_INDEX_VERSIONS = asList(1, 2);
    private boolean background;
    private boolean unique;
    private String name;
    private boolean sparse;
    private Long expireAfterSeconds;
    private Integer version;
    private Bson weights;
    private String defaultLanguage;
    private String languageOverride;
    private Integer textVersion;
    private Integer sphereVersion;
    private Integer bits;
    private Double min;
    private Double max;
    private Double bucketSize;
    private Bson storageEngine;

    /**
     * Create the index in the background
     *
     * @return true if should create the index in the background
     */
    public boolean isBackground() {
        return background;
    }

    /**
     * Should the index should be created in the background
     *
     * @param background true if should create the index in the background
     * @return this
     */
    public IndexOptions background(final boolean background) {
        this.background = background;
        return this;
    }

    /**
     * Gets if the index should be unique.
     *
     * @return true if the index should be unique
     */
    public boolean isUnique() {
        return unique;
    }

    /**
     * Should the index should be unique.
     *
     * @param unique if the index should be unique
     * @return this
     */
    public IndexOptions unique(final boolean unique) {
        this.unique = unique;
        return this;
    }

    /**
     * Gets the name of the index.
     *
     * @return the name of the index
     */
    public String getName() {
        return name;
    }

    /**
     * Sets the name of the index.
     *
     * @param name of the index
     * @return this
     */
    public IndexOptions name(final String name) {
        this.name = name;
        return this;
    }

    /**
     * If true, the index only references documents with the specified field
     *
     * @return if the index should only reference documents with the specified field
     */
    public boolean isSparse() {
        return sparse;
    }

    /**
     * Should the index only references documents with the specified field
     *
     * @param sparse if true, the index only references documents with the specified field
     * @return this
     */
    public IndexOptions sparse(final boolean sparse) {
        this.sparse = sparse;
        return this;
    }

    /**
     * Gets the time to live for documents in the collection
     *
     * @return the time to live for documents in the collection
     * @param timeUnit the time unit
     * @mongodb.driver.manual tutorial/expire-data TTL
     */
    public Long getExpireAfter(final TimeUnit timeUnit) {
        if (expireAfterSeconds == null) {
            return null;
        }
        return timeUnit.convert(expireAfterSeconds, TimeUnit.SECONDS);
    }

    /**
     * Sets the time to live for documents in the collection
     *
     * @param expireAfter the time to live for documents in the collection
     * @param timeUnit the time unit for expireAfter
     * @return this
     * @mongodb.driver.manual tutorial/expire-data TTL
     */
    public IndexOptions expireAfter(final Long expireAfter, final TimeUnit timeUnit) {
        if (expireAfter == null) {
            this.expireAfterSeconds = null;
        } else {
            this.expireAfterSeconds = TimeUnit.SECONDS.convert(expireAfter, timeUnit);
        }
        return this;
    }

    /**
     * Gets the index version number.
     *
     * @return the index version number
     */
    public Integer getVersion() {
        return this.version;
    }

    /**
     * Sets the index version number.
     *
     * @param version the index version number
     * @return this
     */
    public IndexOptions version(final Integer version) {
        this.version = version;
        return this;
    }

    /**
     * Gets the weighting object for use with a text index
     *
     * 

A document that represents field and weight pairs. The weight is an integer ranging from 1 to 99,999 and denotes the significance * of the field relative to the other indexed fields in terms of the score.

* * @return the weighting object * @mongodb.driver.manual tutorial/control-results-of-text-search Control Search Results with Weights */ public Bson getWeights() { return weights; } /** * Sets the weighting object for use with a text index. * *

An document that represents field and weight pairs. The weight is an integer ranging from 1 to 99,999 and denotes the significance * of the field relative to the other indexed fields in terms of the score.

* * @param weights the weighting object * @return this * @mongodb.driver.manual tutorial/control-results-of-text-search Control Search Results with Weights */ public IndexOptions weights(final Bson weights) { this.weights = weights; return this; } /** * Gets the language for a text index. * *

The language that determines the list of stop words and the rules for the stemmer and tokenizer.

* * @return the language for a text index. * @mongodb.driver.manual reference/text-search-languages Text Search languages */ public String getDefaultLanguage() { return defaultLanguage; } /** * Sets the language for the text index. * *

The language that determines the list of stop words and the rules for the stemmer and tokenizer.

* * @param defaultLanguage the language for the text index. * @return this * @mongodb.driver.manual reference/text-search-languages Text Search languages */ public IndexOptions defaultLanguage(final String defaultLanguage) { this.defaultLanguage = defaultLanguage; return this; } /** * Gets the name of the field that contains the language string. * *

For text indexes, the name of the field, in the collection's documents, that contains the override language for the document.

* * @return the name of the field that contains the language string. * @mongodb.driver.manual tutorial/specify-language-for-text-index/#specify-language-field-text-index-example Language override */ public String getLanguageOverride() { return languageOverride; } /** * Sets the name of the field that contains the language string. * *

For text indexes, the name of the field, in the collection's documents, that contains the override language for the document.

* * @param languageOverride the name of the field that contains the language string. * @return this * @mongodb.driver.manual tutorial/specify-language-for-text-index/#specify-language-field-text-index-example Language override */ public IndexOptions languageOverride(final String languageOverride) { this.languageOverride = languageOverride; return this; } /** * The text index version number. * * @return the text index version number. */ public Integer getTextVersion() { return textVersion; } /** * Set the text index version number. * * @param textVersion the text index version number. * @return this */ public IndexOptions textVersion(final Integer textVersion) { if (textVersion != null) { isTrueArgument("textVersion must be 1 or 2", VALID_TEXT_INDEX_VERSIONS.contains(textVersion)); } this.textVersion = textVersion; return this; } /** * Gets the 2dsphere index version number. * * @return the 2dsphere index version number */ public Integer getSphereVersion() { return sphereVersion; } /** * Sets the 2dsphere index version number. * * @param sphereVersion the 2dsphere index version number. * @return this */ public IndexOptions sphereVersion(final Integer sphereVersion) { if (sphereVersion != null) { isTrueArgument("sphereIndexVersion must be 1 or 2", VALID_SPHERE_INDEX_VERSIONS.contains(sphereVersion)); } this.sphereVersion = sphereVersion; return this; } /** * Gets the number of precision of the stored geohash value of the location data in 2d indexes. * * @return the number of precision of the stored geohash value */ public Integer getBits() { return bits; } /** * Sets the number of precision of the stored geohash value of the location data in 2d indexes. * * @param bits the number of precision of the stored geohash value * @return this */ public IndexOptions bits(final Integer bits) { this.bits = bits; return this; } /** * Gets the lower inclusive boundary for the longitude and latitude values for 2d indexes.. * * @return the lower inclusive boundary for the longitude and latitude values. */ public Double getMin() { return min; } /** * Sets the lower inclusive boundary for the longitude and latitude values for 2d indexes.. * * @param min the lower inclusive boundary for the longitude and latitude values * @return this */ public IndexOptions min(final Double min) { this.min = min; return this; } /** * Gets the upper inclusive boundary for the longitude and latitude values for 2d indexes.. * * @return the upper inclusive boundary for the longitude and latitude values. */ public Double getMax() { return max; } /** * Sets the upper inclusive boundary for the longitude and latitude values for 2d indexes.. * * @param max the upper inclusive boundary for the longitude and latitude values * @return this */ public IndexOptions max(final Double max) { this.max = max; return this; } /** * Gets the specified the number of units within which to group the location values for geoHaystack Indexes * * @return the specified the number of units within which to group the location values for geoHaystack Indexes * @mongodb.driver.manual core/geohaystack/ geoHaystack Indexes */ public Double getBucketSize() { return bucketSize; } /** * Sets the specified the number of units within which to group the location values for geoHaystack Indexes * * @param bucketSize the specified the number of units within which to group the location values for geoHaystack Indexes * @return this * @mongodb.driver.manual core/geohaystack/ geoHaystack Indexes */ public IndexOptions bucketSize(final Double bucketSize) { this.bucketSize = bucketSize; return this; } /** * Gets the storage engine options document for this index. * * @return the storage engine options * @mongodb.server.release 3.0 */ public Bson getStorageEngine() { return storageEngine; } /** * Sets the storage engine options document for this index. * * @param storageEngine the storate engine options * @return this * @mongodb.server.release 3.0 */ public IndexOptions storageEngine(final Bson storageEngine) { this.storageEngine = storageEngine; return this; } }




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