/*
* 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.igfs;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.nio.ByteBuffer;
import org.apache.ignite.binary.BinaryObjectException;
import org.apache.ignite.binary.BinaryRawReader;
import org.apache.ignite.binary.BinaryRawWriter;
import org.apache.ignite.binary.BinaryReader;
import org.apache.ignite.binary.BinaryWriter;
import org.apache.ignite.binary.Binarylizable;
import org.apache.ignite.internal.binary.BinaryUtils;
import org.apache.ignite.internal.util.typedef.F;
import org.apache.ignite.internal.util.typedef.internal.S;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.lang.IgniteUuid;
import org.apache.ignite.plugin.extensions.communication.Message;
import org.apache.ignite.plugin.extensions.communication.MessageReader;
import org.apache.ignite.plugin.extensions.communication.MessageWriter;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* File's binary data block key.
*/
public final class IgfsBlockKey implements IgfsBaseBlockKey, Message, Externalizable, Binarylizable,
Comparable<IgfsBlockKey> {
/** */
private static final long serialVersionUID = 0L;
/** File system file ID. */
private IgniteUuid fileId;
/** Block ID. */
private long blockId;
/** Block affinity key. */
private IgniteUuid affKey;
/** Eviction exclude flag. */
private boolean evictExclude;
/**
* Constructs file's binary data block key.
*
* @param fileId File ID.
* @param affKey Affinity key.
* @param evictExclude Evict exclude flag.
* @param blockId Block ID.
*/
public IgfsBlockKey(IgniteUuid fileId, @Nullable IgniteUuid affKey, boolean evictExclude, long blockId) {
assert fileId != null;
assert blockId >= 0;
this.fileId = fileId;
this.affKey = affKey;
this.evictExclude = evictExclude;
this.blockId = blockId;
}
/**
* Empty constructor required for {@link Externalizable}.
*/
public IgfsBlockKey() {
// No-op.
}
/**
* @return File ID.
*/
public IgniteUuid getFileId() {
return fileId;
}
/** {@inheritDoc} */
@Override public IgniteUuid affinityKey() {
return affKey;
}
/** {@inheritDoc} */
@Override public long blockId() {
return blockId;
}
/** {@inheritDoc} */
@Override public int fileHash() {
return fileId.hashCode();
}
/**
* @return Evict exclude flag.
*/
public boolean evictExclude() {
return evictExclude;
}
/** {@inheritDoc} */
@Override public void onAckReceived() {
// No-op.
}
/** {@inheritDoc} */
@Override public int compareTo(@NotNull IgfsBlockKey o) {
int res = fileId.compareTo(o.fileId);
if (res != 0)
return res;
long v1 = blockId;
long v2 = o.blockId;
if (v1 != v2)
return v1 > v2 ? 1 : -1;
if (affKey == null && o.affKey == null)
return 0;
if (affKey != null && o.affKey != null)
return affKey.compareTo(o.affKey);
return affKey != null ? -1 : 1;
}
/** {@inheritDoc} */
@Override public void writeExternal(ObjectOutput out) throws IOException {
U.writeGridUuid(out, fileId);
U.writeGridUuid(out, affKey);
out.writeBoolean(evictExclude);
out.writeLong(blockId);
}
/** {@inheritDoc} */
@Override public void readExternal(ObjectInput in) throws IOException {
fileId = U.readGridUuid(in);
affKey = U.readGridUuid(in);
evictExclude = in.readBoolean();
blockId = in.readLong();
}
/** {@inheritDoc} */
@Override public void writeBinary(BinaryWriter writer) throws BinaryObjectException {
BinaryRawWriter out = writer.rawWriter();
BinaryUtils.writeIgniteUuid(out, fileId);
BinaryUtils.writeIgniteUuid(out, affKey);
out.writeBoolean(evictExclude);
out.writeLong(blockId);
}
/** {@inheritDoc} */
@Override public void readBinary(BinaryReader reader) throws BinaryObjectException {
BinaryRawReader in = reader.rawReader();
fileId = BinaryUtils.readIgniteUuid(in);
affKey = BinaryUtils.readIgniteUuid(in);
evictExclude = in.readBoolean();
blockId = in.readLong();
}
/** {@inheritDoc} */
@Override public int hashCode() {
return fileId.hashCode() + (int)(blockId ^ (blockId >>> 32));
}
/** {@inheritDoc} */
@Override public boolean equals(Object o) {
if (o == this)
return true;
if (o == null || o.getClass() != getClass())
return false;
IgfsBlockKey that = (IgfsBlockKey)o;
return blockId == that.blockId && fileId.equals(that.fileId) && F.eq(affKey, that.affKey) &&
evictExclude == that.evictExclude;
}
/** {@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.writeIgniteUuid("affKey", affKey))
return false;
writer.incrementState();
case 1:
if (!writer.writeLong("blockId", blockId))
return false;
writer.incrementState();
case 2:
if (!writer.writeBoolean("evictExclude", evictExclude))
return false;
writer.incrementState();
case 3:
if (!writer.writeIgniteUuid("fileId", fileId))
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:
affKey = reader.readIgniteUuid("affKey");
if (!reader.isLastRead())
return false;
reader.incrementState();
case 1:
blockId = reader.readLong("blockId");
if (!reader.isLastRead())
return false;
reader.incrementState();
case 2:
evictExclude = reader.readBoolean("evictExclude");
if (!reader.isLastRead())
return false;
reader.incrementState();
case 3:
fileId = reader.readIgniteUuid("fileId");
if (!reader.isLastRead())
return false;
reader.incrementState();
}
return reader.afterMessageRead(IgfsBlockKey.class);
}
/** {@inheritDoc} */
@Override public short directType() {
return 65;
}
/** {@inheritDoc} */
@Override public byte fieldsCount() {
return 4;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(IgfsBlockKey.class, this);
}
}