Apache ZooKeeper is an open-source server which enables highly reliable distributed coordination.

Apache ZooKeeper Server Source Code files are provided in the source packge (apache-zookeeper-3.7.0.tar.gz). You can download it at Apache ZooKeeper Website.

You can also browse Apache ZooKeeper Server Source Code below:

⏎ org/apache/zookeeper/cli/CommandFactory.java

/*
 * 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.zookeeper.cli;

import java.util.function.Supplier;

/**
 * Factory class for creating instances of {@link CliCommand}.
 */
public class CommandFactory {

    /**
     * All Cli Commands.
     */
    public enum Command {
        CLOSE(CloseCommand::new),
        CREATE(CreateCommand::new),
        DELETE(DeleteCommand::new),
        DELETE_ALL(DeleteAllCommand::new),
        SET(SetCommand::new),
        GET(GetCommand::new),
        LS(LsCommand::new),
        GET_ACL(GetAclCommand::new),
        SET_ACL(SetAclCommand::new),
        STAT(StatCommand::new),
        SYNC(SyncCommand::new),
        SET_QUOTA(SetQuotaCommand::new),
        LIST_QUOTA(ListQuotaCommand::new),
        DEL_QUOTA(DelQuotaCommand::new),
        ADD_AUTH(AddAuthCommand::new),
        RECONFIG(ReconfigCommand::new),
        GET_CONFIG(GetConfigCommand::new),
        REMOVE_WATCHES(RemoveWatchesCommand::new),
        GET_EPHEMERALS(GetEphemeralsCommand::new),
        GET_ALL_CHILDREN_NUMBER(GetAllChildrenNumberCommand::new),
        VERSION(VersionCommand::new),
        ADD_WATCH(AddWatchCommand::new),
        WHO_AM_I(WhoAmICommand::new);

        private Supplier<? extends CliCommand> instantiator;

        private CliCommand getInstance() {
            return instantiator.get();
        }

        Command(Supplier<? extends CliCommand> instantiator) {
            this.instantiator = instantiator;
        }
    }

    /**
     * Creates a new {@link CliCommand} instance.
     * @param command the {@link Command} to create a new instance of
     * @return the new {@code CliCommand} instance
     */
    public static CliCommand getInstance (Command command) {
        return command.getInstance();
    }
}

⏎ org/apache/zookeeper/cli/CommandFactory.java

 

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