com.github.sparkfy.network.protocol.RpcFailure.java Source code

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Here is the source code for com.github.sparkfy.network.protocol.RpcFailure.java

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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 com.github.sparkfy.network.protocol;

import com.google.common.base.Objects;
import io.netty.buffer.ByteBuf;

/** Response to {@link RpcRequest} for a failed RPC. */
public final class RpcFailure extends AbstractMessage implements ResponseMessage {
    public final long requestId;
    public final String errorString;

    public RpcFailure(long requestId, String errorString) {
        this.requestId = requestId;
        this.errorString = errorString;
    }

    @Override
    public Type type() {
        return Type.RpcFailure;
    }

    @Override
    public int encodedLength() {
        return 8 + Encoders.Strings.encodedLength(errorString);
    }

    @Override
    public void encode(ByteBuf buf) {
        buf.writeLong(requestId);
        Encoders.Strings.encode(buf, errorString);
    }

    public static RpcFailure decode(ByteBuf buf) {
        long requestId = buf.readLong();
        String errorString = Encoders.Strings.decode(buf);
        return new RpcFailure(requestId, errorString);
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(requestId, errorString);
    }

    @Override
    public boolean equals(Object other) {
        if (other instanceof RpcFailure) {
            RpcFailure o = (RpcFailure) other;
            return requestId == o.requestId && errorString.equals(o.errorString);
        }
        return false;
    }

    @Override
    public String toString() {
        return Objects.toStringHelper(this).add("requestId", requestId).add("errorString", errorString).toString();
    }
}