Sentinel info decode fixed
Nikita
9 years ago
parent
90c77f9d1c
commit
557c2e6e31
@ -0,0 +1,79 @@
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/**
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* Copyright 2014 Nikita Koksharov, Nickolay Borbit
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.redisson.client.protocol.decoder;
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import java.io.IOException;
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import java.util.List;
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import org.redisson.client.handler.State;
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import io.netty.buffer.ByteBuf;
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public class NestedMultiDecoder2<T> implements MultiDecoder<Object> {
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private final MultiDecoder<Object> firstDecoder;
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private final MultiDecoder<Object> secondDecoder;
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public NestedMultiDecoder2(MultiDecoder<Object> firstDecoder, MultiDecoder<Object> secondDecoder) {
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this.firstDecoder = firstDecoder;
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this.secondDecoder = secondDecoder;
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}
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@Override
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public Object decode(ByteBuf buf, State state) throws IOException {
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return firstDecoder.decode(buf, state);
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}
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@Override
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public boolean isApplicable(int paramNum, State state) {
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if (paramNum == 0) {
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setCounter(state, 0);
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}
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return firstDecoder.isApplicable(paramNum, state);
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}
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private Integer getCounter(State state) {
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Integer value = state.getDecoderState();
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if (value == null) {
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return 0;
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}
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return value;
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}
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private void setCounter(State state, Integer value) {
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state.setDecoderState(value);
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}
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@Override
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public Object decode(List<Object> parts, State state) {
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if (getCounter(state) == 2) {
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setCounter(state, 0);
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}
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int counter = getCounter(state);
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counter++;
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setCounter(state, counter);
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MultiDecoder<?> decoder = null;
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if (counter == 1) {
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decoder = firstDecoder;
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}
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if (counter == 2) {
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decoder = secondDecoder;
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}
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return decoder.decode(parts, state);
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}
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}
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