| /* |
| * 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.cache; |
| |
| import java.nio.ByteBuffer; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.plugin.extensions.communication.MessageReader; |
| import org.apache.ignite.plugin.extensions.communication.MessageWriter; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * |
| */ |
| public abstract class CacheEntryPredicateAdapter implements CacheEntryPredicate { |
| /** */ |
| private static final long serialVersionUID = 4647110502545358709L; |
| |
| /** */ |
| protected transient boolean locked; |
| |
| /** {@inheritDoc} */ |
| @Override public void finishUnmarshal(GridCacheContext ctx, ClassLoader ldr) throws IgniteCheckedException { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void prepareMarshal(GridCacheContext ctx) throws IgniteCheckedException { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void entryLocked(boolean locked) { |
| this.locked = locked; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public short directType() { |
| assert false : this; |
| |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte fieldsCount() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean readFrom(ByteBuffer buf, MessageReader reader) { |
| reader.setBuffer(buf); |
| |
| if (!reader.beforeMessageRead()) |
| return false; |
| |
| return reader.afterMessageRead(CacheEntryPredicateAdapter.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean writeTo(ByteBuffer buf, MessageWriter writer) { |
| writer.setBuffer(buf); |
| |
| if (!writer.isHeaderWritten()) { |
| if (!writer.writeHeader(directType(), fieldsCount())) |
| return false; |
| |
| writer.onHeaderWritten(); |
| } |
| |
| return true; |
| } |
| |
| /** |
| * @param entry Entry. |
| * @return Value. |
| */ |
| @Nullable protected CacheObject peekVisibleValue(GridCacheEntryEx entry) { |
| return locked ? entry.rawGet() : entry.peekVisibleValue(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onAckReceived() { |
| // No-op. |
| } |
| } |