| /* |
| * 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 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.jetbrains.annotations.Nullable; |
| |
| import java.io.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import java.util.Collections; |
| import java.util.Map; |
| |
| /** |
| * IGFS file info. |
| */ |
| public final class IgfsFileInfo extends IgfsEntryInfo implements Binarylizable { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** File length in bytes. */ |
| private long len; |
| |
| /** File block size, {@code zero} for directories. */ |
| private int blockSize; |
| |
| /** File lock ID. */ |
| private IgniteUuid lockId; |
| |
| /** Affinity key used for single-node file collocation. */ |
| private IgniteUuid affKey; |
| |
| /** File affinity map. */ |
| private IgfsFileMap fileMap; |
| |
| /** Whether data blocks of this entry should never be excluded. */ |
| private boolean evictExclude; |
| |
| /** |
| * {@link Externalizable} support. |
| */ |
| public IgfsFileInfo() { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgfsFileInfo length(long len) { |
| IgfsFileInfo res = copy(); |
| |
| res.len = len; |
| |
| return res; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgfsEntryInfo listing(@Nullable Map<String, IgfsListingEntry> listing) { |
| throw new UnsupportedOperationException("listing"); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgfsFileInfo lock(IgniteUuid lockId) { |
| assert lockId != null; |
| assert this.lockId == null; |
| |
| IgfsFileInfo res = copy(); |
| |
| res.lockId = lockId; |
| |
| return res; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgfsFileInfo unlock(long modificationTime) { |
| IgfsFileInfo res = copy(); |
| |
| res.lockId = null; |
| res.modificationTime = modificationTime; |
| |
| return res; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgfsFileInfo fileMap(IgfsFileMap fileMap) { |
| IgfsFileInfo res = copy(); |
| |
| res.fileMap = fileMap; |
| |
| return res; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected IgfsFileInfo copy() { |
| return new IgfsFileInfo(id, blockSize, len, affKey, props, fileMap, lockId, accessTime, modificationTime, |
| evictExclude); |
| } |
| |
| /** |
| * Constructs file info. |
| * |
| * @param id ID or {@code null} to generate it automatically. |
| * @param blockSize Block size. |
| * @param len Size of a file. |
| * @param affKey Affinity key for data blocks. |
| * @param props File properties. |
| * @param fileMap File map. |
| * @param lockId Lock ID. |
| * @param accessTime Last access time. |
| * @param modificationTime Last modification time. |
| * @param evictExclude Evict exclude flag. |
| */ |
| IgfsFileInfo(IgniteUuid id, int blockSize, long len, @Nullable IgniteUuid affKey, |
| @Nullable Map<String, String> props, @Nullable IgfsFileMap fileMap, @Nullable IgniteUuid lockId, |
| long accessTime, long modificationTime, boolean evictExclude) { |
| super(id, props, accessTime, modificationTime); |
| |
| this.len = len; |
| this.blockSize = blockSize; |
| this.affKey = affKey; |
| |
| if (fileMap == null) |
| fileMap = new IgfsFileMap(); |
| |
| this.fileMap = fileMap; |
| this.lockId = lockId; |
| this.evictExclude = evictExclude; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean isFile() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long length() { |
| return len; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int blockSize() { |
| return blockSize; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long blocksCount() { |
| return (len + blockSize() - 1) / blockSize(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Map<String, IgfsListingEntry> listing() { |
| return Collections.emptyMap(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean hasChildren() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean hasChild(String name) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean hasChild(String name, IgniteUuid expId) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override @Nullable public IgniteUuid affinityKey() { |
| return affKey; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgfsFileMap fileMap() { |
| return fileMap; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override @Nullable public IgniteUuid lockId() { |
| return lockId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean evictExclude() { |
| return evictExclude; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void writeExternal(ObjectOutput out) throws IOException { |
| super.writeExternal(out); |
| |
| out.writeInt(blockSize); |
| out.writeLong(len); |
| U.writeGridUuid(out, lockId); |
| U.writeGridUuid(out, affKey); |
| out.writeObject(fileMap); |
| out.writeBoolean(evictExclude); |
| } |
| |
| /** {@inheritDoc} */ |
| @SuppressWarnings("unchecked") |
| @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { |
| super.readExternal(in); |
| |
| blockSize = in.readInt(); |
| len = in.readLong(); |
| lockId = U.readGridUuid(in); |
| affKey = U.readGridUuid(in); |
| fileMap = (IgfsFileMap)in.readObject(); |
| evictExclude = in.readBoolean(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void writeBinary(BinaryWriter writer) throws BinaryObjectException { |
| BinaryRawWriter out = writer.rawWriter(); |
| |
| writeBinary(out); |
| |
| out.writeInt(blockSize); |
| out.writeLong(len); |
| BinaryUtils.writeIgniteUuid(out, lockId); |
| BinaryUtils.writeIgniteUuid(out, affKey); |
| out.writeObject(fileMap); |
| out.writeBoolean(evictExclude); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void readBinary(BinaryReader reader) throws BinaryObjectException { |
| BinaryRawReader in = reader.rawReader(); |
| |
| readBinary(in); |
| |
| blockSize = in.readInt(); |
| len = in.readLong(); |
| lockId = BinaryUtils.readIgniteUuid(in); |
| affKey = BinaryUtils.readIgniteUuid(in); |
| fileMap = in.readObject(); |
| evictExclude = in.readBoolean(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int hashCode() { |
| return id.hashCode() ^ blockSize ^ (int)(len ^ (len >>> 32)) ^ (props == null ? 0 : props.hashCode()) ^ |
| (lockId == null ? 0 : lockId.hashCode()); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean equals(Object obj) { |
| if (obj == this) |
| return true; |
| |
| if (obj == null || getClass() != obj.getClass()) |
| return false; |
| |
| IgfsFileInfo that = (IgfsFileInfo)obj; |
| |
| return id.equals(that.id) && blockSize == that.blockSize && len == that.len && F.eq(affKey, that.affKey) && |
| F.eq(props, that.props) && F.eq(lockId, that.lockId); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(IgfsFileInfo.class, this); |
| } |
| } |