com.torodb.mongowp.bson.netty.pool.WeakMapStringPool.java Source code

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Here is the source code for com.torodb.mongowp.bson.netty.pool.WeakMapStringPool.java

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/*
 * Copyright 2014 8Kdata Technology
 *
 * 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.torodb.mongowp.bson.netty.pool;

import com.google.common.collect.Interner;
import com.google.common.collect.Interners;
import io.netty.buffer.ByteBuf;

/**
 *
 */
public class WeakMapStringPool extends StringPool {

    private final Interner<String> interner;

    public WeakMapStringPool(StringPoolPolicy heuristic) {
        super(heuristic);
        this.interner = Interners.newWeakInterner();
    }

    @Override
    protected String retrieveFromPool(ByteBuf stringBuf) {
        return interner.intern(getString(stringBuf));
    }

}