Java tutorial
/* * 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.params; import java.util.Arrays; import java.util.Collection; public interface CollectionAdminParams { /* Param used by DELETESTATUS call to clear all stored responses */ String FLUSH = "flush"; String COLLECTION = "collection"; String COUNT_PROP = "count"; String ROLE = "role"; /** Predefined system collection name. */ String SYSTEM_COLL = ".system"; /** * A parameter to specify list of Solr nodes to be used (e.g. for collection creation or restore operation). */ String CREATE_NODE_SET_PARAM = "createNodeSet"; /** * A parameter which specifies if the provided list of Solr nodes (via {@linkplain #CREATE_NODE_SET_PARAM}) * should be shuffled before being used. */ String CREATE_NODE_SET_SHUFFLE_PARAM = "createNodeSet.shuffle"; /** * A parameter to specify the name of the index backup strategy to be used. */ String INDEX_BACKUP_STRATEGY = "indexBackup"; /** * This constant defines the index backup strategy based on copying index files to desired location. */ String COPY_FILES_STRATEGY = "copy-files"; /** * This constant defines the strategy to not copy index files (useful for meta-data only backup). */ String NO_INDEX_BACKUP_STRATEGY = "none"; /** * This constant defines a list of valid index backup strategies. */ Collection<String> INDEX_BACKUP_STRATEGIES = Arrays.asList(COPY_FILES_STRATEGY, NO_INDEX_BACKUP_STRATEGY); /** * Name of collection property to set */ String PROPERTY_NAME = "propertyName"; /** * Value of collection property to set */ String PROPERTY_VALUE = "propertyValue"; /** * The name of the config set to be used for a collection */ String COLL_CONF = "collection.configName"; /** * The name of the collection with which a collection is to be co-located */ String WITH_COLLECTION = "withCollection"; /** * The reverse-link to WITH_COLLECTION flag. It is stored in the cluster state of the `withCollection` * and points to the collection on which the `withCollection` was specified. */ String COLOCATED_WITH = "COLOCATED_WITH"; /** * Used by cluster properties API as a wrapper key to provide defaults for collection, cluster etc. * * e.g. {defaults:{collection:{replicationFactor:2}}} */ String DEFAULTS = "defaults"; /** * Cluster wide defaults can be nested under this key e.g. * {defaults: {cluster:{useLegacyReplicaAssignment:false}}} */ String CLUSTER = "cluster"; /** * This cluster property decides whether Solr should use the legacy round-robin replica placement strategy * or the autoscaling policy based strategy to assign replicas to nodes. The default is false. */ String USE_LEGACY_REPLICA_ASSIGNMENT = "useLegacyReplicaAssignment"; /** * When creating a collection create also a specified alias. */ String ALIAS = "alias"; /** * Specifies the target of RENAME operation. */ String TARGET = "target"; /** * Prefix for {@link org.apache.solr.common.cloud.DocRouter} properties */ String ROUTER_PREFIX = "router."; /** Option to follow aliases when deciding the target of a collection admin command. */ String FOLLOW_ALIASES = "followAliases"; }