org.gridgain.grid.kernal.ggfs.common.GridGgfsIpcCommand Maven / Gradle / Ivy

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/* 
 Copyright (C) GridGain Systems. All Rights Reserved.
 
 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 org.gridgain.grid.kernal.ggfs.common;

import java.util.*;

/**
 * Grid file system commands to call remotely.
 */
public enum GridGgfsIpcCommand {
    /** Handshake command which will send information necessary for client to handle requests correctly. */
    HANDSHAKE,

    /** GGFS status (free/used space). */
    STATUS,

    /** Check specified path exists in the file system. */
    EXISTS,

    /** Get information for the file in specified path. */
    INFO,

    /** Get directory summary. */
    PATH_SUMMARY,

    /** Update information for the file  in specified path. */
    UPDATE,

    /** Rename file. */
    RENAME,

    /** Delete file. */
    DELETE,

    /** Make directories. */
    MAKE_DIRECTORIES,

    /** List files under the specified path. */
    LIST_PATHS,

    /** List files under the specified path. */
    LIST_FILES,

    /** Get affinity block locations for data blocks of the file. */
    AFFINITY,

    /** Updates last access and last modification time for a path. */
    SET_TIMES,

    /** Open file for reading as an input stream. */
    OPEN_READ,

    /** Open existent file as output stream to append data to. */
    OPEN_APPEND,

    /** Create file and open output stream for writing data to. */
    OPEN_CREATE,

    /** Close stream. */
    CLOSE,

    /** Read file's data block. */
    READ_BLOCK,

    /** Write file's data block. */
    WRITE_BLOCK,

    /** Server response. */
    CONTROL_RESPONSE;

    /** All values */
    private static final List ALL = Arrays.asList(values());

    /**
     * Resolve command by its ordinal.
     *
     * @param ordinal Command ordinal.
     * @return Resolved command.
     */
    public static GridGgfsIpcCommand valueOf(int ordinal) {
        return ALL.get(ordinal);
    }
}