| /* |
| * 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 org.apache.ignite.internal.processors.datastreamer; |
| |
| import java.nio.ByteBuffer; |
| import java.util.Map; |
| import org.apache.ignite.internal.processors.cache.CacheObject; |
| import org.apache.ignite.internal.processors.cache.GridCacheContext; |
| import org.apache.ignite.internal.processors.cache.KeyCacheObject; |
| import org.apache.ignite.internal.util.tostring.GridToStringInclude; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.plugin.extensions.communication.Message; |
| import org.apache.ignite.plugin.extensions.communication.MessageReader; |
| import org.apache.ignite.plugin.extensions.communication.MessageWriter; |
| |
| /** |
| * |
| */ |
| public class DataStreamerEntry implements Map.Entry<KeyCacheObject, CacheObject>, Message { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| @GridToStringInclude |
| protected KeyCacheObject key; |
| |
| /** */ |
| @GridToStringInclude |
| protected CacheObject val; |
| |
| /** |
| * |
| */ |
| public DataStreamerEntry() { |
| // No-op. |
| } |
| |
| /** |
| * @param key Key. |
| * @param val Value. |
| */ |
| public DataStreamerEntry(KeyCacheObject key, CacheObject val) { |
| this.key = key; |
| this.val = val; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public KeyCacheObject getKey() { |
| return key; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public CacheObject getValue() { |
| return val; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public CacheObject setValue(CacheObject val) { |
| CacheObject old = this.val; |
| |
| this.val = val; |
| |
| return old; |
| } |
| |
| /** |
| * @param ctx Cache context. |
| * @return Map entry unwrapping internal key and value. |
| */ |
| public <K, V> Map.Entry<K, V> toEntry(final GridCacheContext ctx, final boolean keepBinary) { |
| return new Map.Entry<K, V>() { |
| @Override public K getKey() { |
| return (K)ctx.cacheObjectContext().unwrapBinaryIfNeeded(key, keepBinary, false); |
| } |
| |
| @Override public V setValue(V val) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override public V getValue() { |
| return (V)ctx.cacheObjectContext().unwrapBinaryIfNeeded(val, keepBinary, false); |
| } |
| }; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onAckReceived() { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean writeTo(ByteBuffer buf, MessageWriter writer) { |
| writer.setBuffer(buf); |
| |
| if (!writer.isHeaderWritten()) { |
| if (!writer.writeHeader(directType(), fieldsCount())) |
| return false; |
| |
| writer.onHeaderWritten(); |
| } |
| |
| switch (writer.state()) { |
| case 0: |
| if (!writer.writeMessage("key", key)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 1: |
| if (!writer.writeMessage("val", val)) |
| return false; |
| |
| writer.incrementState(); |
| |
| } |
| |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean readFrom(ByteBuffer buf, MessageReader reader) { |
| reader.setBuffer(buf); |
| |
| if (!reader.beforeMessageRead()) |
| return false; |
| |
| switch (reader.state()) { |
| case 0: |
| key = reader.readMessage("key"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 1: |
| val = reader.readMessage("val"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| } |
| |
| return reader.afterMessageRead(DataStreamerEntry.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public short directType() { |
| return 95; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte fieldsCount() { |
| return 2; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(DataStreamerEntry.class, this); |
| } |
| } |