/* * Copyright 2016 Naver Corp. * * 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.navercorp.pinpoint.common.server.bo.codec.strategy.impl; import com.navercorp.pinpoint.common.buffer.Buffer; import com.navercorp.pinpoint.common.server.bo.codec.TypedBufferHandler; import com.navercorp.pinpoint.common.server.bo.codec.strategy.EncodingStrategy; import java.util.ArrayList; import java.util.List; /** * @author HyunGil Jeong */ public abstract class ValueEncodingStrategy<T extends Number> implements EncodingStrategy<T> { private static final byte CODE = 0; protected final TypedBufferHandler<T> bufferHandler; protected ValueEncodingStrategy(TypedBufferHandler<T> bufferHandler) { this.bufferHandler = bufferHandler; } @Override public byte getCode() { return CODE; } public static class Unsigned<T extends Number> extends ValueEncodingStrategy<T> { public Unsigned(TypedBufferHandler<T> bufferHandler) { super(bufferHandler); } @Override public void encodeValues(Buffer buffer, List<T> values) { for (T value : values) { this.bufferHandler.putV(buffer, value); } } @Override public List<T> decodeValues(Buffer buffer, int numValues) { List<T> values = new ArrayList<T>(numValues); for (int i = 0; i < numValues; ++i) { values.add(this.bufferHandler.readV(buffer)); } return values; } } }