io.etcd.jetcd.common.exception.ErrorCode Maven / Gradle / Ivy
/**
* Copyright 2017 Google Inc. 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 io.etcd.jetcd.common.exception;
import io.grpc.Status;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* ErrorCode is a wrapper around grpc Error code.
*
* Modification Notice:
* This is a modification of ErrorCode.java from Google-cloud-spanner java api.
*/
public enum ErrorCode {
CANCELLED(Status.CANCELLED),
UNKNOWN(Status.UNKNOWN),
INVALID_ARGUMENT(Status.INVALID_ARGUMENT),
DEADLINE_EXCEEDED(Status.DEADLINE_EXCEEDED),
NOT_FOUND(Status.NOT_FOUND),
ALREADY_EXISTS(Status.ALREADY_EXISTS),
PERMISSION_DENIED(Status.PERMISSION_DENIED),
UNAUTHENTICATED(Status.UNAUTHENTICATED),
RESOURCE_EXHAUSTED(Status.RESOURCE_EXHAUSTED),
FAILED_PRECONDITION(Status.FAILED_PRECONDITION),
ABORTED(Status.ABORTED),
OUT_OF_RANGE(Status.OUT_OF_RANGE),
UNIMPLEMENTED(Status.UNIMPLEMENTED),
INTERNAL(Status.INTERNAL),
UNAVAILABLE(Status.UNAVAILABLE),
DATA_LOSS(Status.DATA_LOSS),;
private static final Map errorByRpcCode;
static {
Map realMap = new LinkedHashMap<>();
for (ErrorCode errorCode : ErrorCode.values()) {
realMap.put(errorCode.getCode(), errorCode);
}
errorByRpcCode = Collections.unmodifiableMap(realMap);
}
private final Status.Code code;
ErrorCode(Status status) {
this.code = status.getCode();
}
int getCode() {
return this.code.value();
}
/**
* Returns the error code represents by {@code name}, or {@code defaultValue} if {@code name} does
* not map to a known code.
*/
static ErrorCode valueOf(String name, ErrorCode defaultValue) {
try {
return ErrorCode.valueOf(name);
} catch (IllegalArgumentException e) {
return defaultValue;
}
}
/**
* Returns the error code corresponding to a gRPC status, or {@code UNKNOWN} if not recognized.
*/
static ErrorCode fromGrpcStatus(Status status) {
ErrorCode code = errorByRpcCode.get(status.getCode().value());
return code == null ? UNKNOWN : code;
}
}