com.spotify.folsom.client.SimpleSizeEstimator.java Source code

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Here is the source code for com.spotify.folsom.client.SimpleSizeEstimator.java

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/*
 * Copyright (c) 2014-2015 Spotify AB
 *
 * 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 com.spotify.folsom.client;

import io.netty.buffer.ByteBuf;
import io.netty.channel.MessageSizeEstimator;

class SimpleSizeEstimator implements MessageSizeEstimator, MessageSizeEstimator.Handle {

    static final MessageSizeEstimator INSTANCE = new SimpleSizeEstimator();

    private SimpleSizeEstimator() {
    }

    @Override
    public Handle newHandle() {
        return this;
    }

    @Override
    public int size(final Object msg) {
        if (msg instanceof ByteBuf) {
            return ((ByteBuf) msg).readableBytes();
        }
        return 0;
    }
}