org.apache.solr.common.params.CollectionAdminParams.java Source code

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/*
 * 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";
}