<?php
# Generated by the protocol buffer compiler.  DO NOT EDIT!
# source: google/rpc/code.proto

namespace Google\Rpc;

use UnexpectedValueException;

/**
 * The canonical error codes for gRPC APIs.
 * Sometimes multiple error codes may apply.  Services should return
 * the most specific error code that applies.  For example, prefer
 * `OUT_OF_RANGE` over `FAILED_PRECONDITION` if both codes apply.
 * Similarly prefer `NOT_FOUND` or `ALREADY_EXISTS` over `FAILED_PRECONDITION`.
 *
 * Protobuf type <code>google.rpc.Code</code>
 */
class Code
{
    /**
     * Not an error; returned on success
     * HTTP Mapping: 200 OK
     *
     * Generated from protobuf enum <code>OK = 0;</code>
     */
    const OK = 0;
    /**
     * The operation was cancelled, typically by the caller.
     * HTTP Mapping: 499 Client Closed Request
     *
     * Generated from protobuf enum <code>CANCELLED = 1;</code>
     */
    const CANCELLED = 1;
    /**
     * Unknown error.  For example, this error may be returned when
     * a `Status` value received from another address space belongs to
     * an error space that is not known in this address space.  Also
     * errors raised by APIs that do not return enough error information
     * may be converted to this error.
     * HTTP Mapping: 500 Internal Server Error
     *
     * Generated from protobuf enum <code>UNKNOWN = 2;</code>
     */
    const UNKNOWN = 2;
    /**
     * The client specified an invalid argument.  Note that this differs
     * from `FAILED_PRECONDITION`.  `INVALID_ARGUMENT` indicates arguments
     * that are problematic regardless of the state of the system
     * (e.g., a malformed file name).
     * HTTP Mapping: 400 Bad Request
     *
     * Generated from protobuf enum <code>INVALID_ARGUMENT = 3;</code>
     */
    const INVALID_ARGUMENT = 3;
    /**
     * The deadline expired before the operation could complete. For operations
     * that change the state of the system, this error may be returned
     * even if the operation has completed successfully.  For example, a
     * successful response from a server could have been delayed long
     * enough for the deadline to expire.
     * HTTP Mapping: 504 Gateway Timeout
     *
     * Generated from protobuf enum <code>DEADLINE_EXCEEDED = 4;</code>
     */
    const DEADLINE_EXCEEDED = 4;
    /**
     * Some requested entity (e.g., file or directory) was not found.
     * Note to server developers: if a request is denied for an entire class
     * of users, such as gradual feature rollout or undocumented whitelist,
     * `NOT_FOUND` may be used. If a request is denied for some users within
     * a class of users, such as user-based access control, `PERMISSION_DENIED`
     * must be used.
     * HTTP Mapping: 404 Not Found
     *
     * Generated from protobuf enum <code>NOT_FOUND = 5;</code>
     */
    const NOT_FOUND = 5;
    /**
     * The entity that a client attempted to create (e.g., file or directory)
     * already exists.
     * HTTP Mapping: 409 Conflict
     *
     * Generated from protobuf enum <code>ALREADY_EXISTS = 6;</code>
     */
    const ALREADY_EXISTS = 6;
    /**
     * The caller does not have permission to execute the specified
     * operation. `PERMISSION_DENIED` must not be used for rejections
     * caused by exhausting some resource (use `RESOURCE_EXHAUSTED`
     * instead for those errors). `PERMISSION_DENIED` must not be
     * used if the caller can not be identified (use `UNAUTHENTICATED`
     * instead for those errors). This error code does not imply the
     * request is valid or the requested entity exists or satisfies
     * other pre-conditions.
     * HTTP Mapping: 403 Forbidden
     *
     * Generated from protobuf enum <code>PERMISSION_DENIED = 7;</code>
     */
    const PERMISSION_DENIED = 7;
    /**
     * The request does not have valid authentication credentials for the
     * operation.
     * HTTP Mapping: 401 Unauthorized
     *
     * Generated from protobuf enum <code>UNAUTHENTICATED = 16;</code>
     */
    const UNAUTHENTICATED = 16;
    /**
     * Some resource has been exhausted, perhaps a per-user quota, or
     * perhaps the entire file system is out of space.
     * HTTP Mapping: 429 Too Many Requests
     *
     * Generated from protobuf enum <code>RESOURCE_EXHAUSTED = 8;</code>
     */
    const RESOURCE_EXHAUSTED = 8;
    /**
     * The operation was rejected because the system is not in a state
     * required for the operation's execution.  For example, the directory
     * to be deleted is non-empty, an rmdir operation is applied to
     * a non-directory, etc.
     * Service implementors can use the following guidelines to decide
     * between `FAILED_PRECONDITION`, `ABORTED`, and `UNAVAILABLE`:
     *  (a) Use `UNAVAILABLE` if the client can retry just the failing call.
     *  (b) Use `ABORTED` if the client should retry at a higher level
     *      (e.g., when a client-specified test-and-set fails, indicating the
     *      client should restart a read-modify-write sequence).
     *  (c) Use `FAILED_PRECONDITION` if the client should not retry until
     *      the system state has been explicitly fixed.  E.g., if an "rmdir"
     *      fails because the directory is non-empty, `FAILED_PRECONDITION`
     *      should be returned since the client should not retry unless
     *      the files are deleted from the directory.
     * HTTP Mapping: 400 Bad Request
     *
     * Generated from protobuf enum <code>FAILED_PRECONDITION = 9;</code>
     */
    const FAILED_PRECONDITION = 9;
    /**
     * The operation was aborted, typically due to a concurrency issue such as
     * a sequencer check failure or transaction abort.
     * See the guidelines above for deciding between `FAILED_PRECONDITION`,
     * `ABORTED`, and `UNAVAILABLE`.
     * HTTP Mapping: 409 Conflict
     *
     * Generated from protobuf enum <code>ABORTED = 10;</code>
     */
    const ABORTED = 10;
    /**
     * The operation was attempted past the valid range.  E.g., seeking or
     * reading past end-of-file.
     * Unlike `INVALID_ARGUMENT`, this error indicates a problem that may
     * be fixed if the system state changes. For example, a 32-bit file
     * system will generate `INVALID_ARGUMENT` if asked to read at an
     * offset that is not in the range [0,2^32-1], but it will generate
     * `OUT_OF_RANGE` if asked to read from an offset past the current
     * file size.
     * There is a fair bit of overlap between `FAILED_PRECONDITION` and
     * `OUT_OF_RANGE`.  We recommend using `OUT_OF_RANGE` (the more specific
     * error) when it applies so that callers who are iterating through
     * a space can easily look for an `OUT_OF_RANGE` error to detect when
     * they are done.
     * HTTP Mapping: 400 Bad Request
     *
     * Generated from protobuf enum <code>OUT_OF_RANGE = 11;</code>
     */
    const OUT_OF_RANGE = 11;
    /**
     * The operation is not implemented or is not supported/enabled in this
     * service.
     * HTTP Mapping: 501 Not Implemented
     *
     * Generated from protobuf enum <code>UNIMPLEMENTED = 12;</code>
     */
    const UNIMPLEMENTED = 12;
    /**
     * Internal errors.  This means that some invariants expected by the
     * underlying system have been broken.  This error code is reserved
     * for serious errors.
     * HTTP Mapping: 500 Internal Server Error
     *
     * Generated from protobuf enum <code>INTERNAL = 13;</code>
     */
    const INTERNAL = 13;
    /**
     * The service is currently unavailable.  This is most likely a
     * transient condition, which can be corrected by retrying with
     * a backoff. Note that it is not always safe to retry
     * non-idempotent operations.
     * See the guidelines above for deciding between `FAILED_PRECONDITION`,
     * `ABORTED`, and `UNAVAILABLE`.
     * HTTP Mapping: 503 Service Unavailable
     *
     * Generated from protobuf enum <code>UNAVAILABLE = 14;</code>
     */
    const UNAVAILABLE = 14;
    /**
     * Unrecoverable data loss or corruption.
     * HTTP Mapping: 500 Internal Server Error
     *
     * Generated from protobuf enum <code>DATA_LOSS = 15;</code>
     */
    const DATA_LOSS = 15;

    private static $valueToName = [
        self::OK => 'OK',
        self::CANCELLED => 'CANCELLED',
        self::UNKNOWN => 'UNKNOWN',
        self::INVALID_ARGUMENT => 'INVALID_ARGUMENT',
        self::DEADLINE_EXCEEDED => 'DEADLINE_EXCEEDED',
        self::NOT_FOUND => 'NOT_FOUND',
        self::ALREADY_EXISTS => 'ALREADY_EXISTS',
        self::PERMISSION_DENIED => 'PERMISSION_DENIED',
        self::UNAUTHENTICATED => 'UNAUTHENTICATED',
        self::RESOURCE_EXHAUSTED => 'RESOURCE_EXHAUSTED',
        self::FAILED_PRECONDITION => 'FAILED_PRECONDITION',
        self::ABORTED => 'ABORTED',
        self::OUT_OF_RANGE => 'OUT_OF_RANGE',
        self::UNIMPLEMENTED => 'UNIMPLEMENTED',
        self::INTERNAL => 'INTERNAL',
        self::UNAVAILABLE => 'UNAVAILABLE',
        self::DATA_LOSS => 'DATA_LOSS',
    ];

    public static function name($value)
    {
        if (!isset(self::$valueToName[$value])) {
            throw new UnexpectedValueException(sprintf(
                    'Enum %s has no name defined for value %s', __CLASS__, $value));
        }
        return self::$valueToName[$value];
    }


    public static function value($name)
    {
        $const = __CLASS__ . '::' . strtoupper($name);
        if (!defined($const)) {
            throw new UnexpectedValueException(sprintf(
                    'Enum %s has no value defined for name %s', __CLASS__, $name));
        }
        return constant($const);
    }
}