org.gridgain.grid.persistentstore.snapshot.file.copy

Class TwoPhaseFilesCopyStrategy

java.lang.Object

org.gridgain.grid.persistentstore.snapshot.file.copy.TwoPhaseFilesCopyStrategy

All Implemented Interfaces:

org.gridgain.grid.internal.processors.cache.database.snapshot.copy.CopyStrategy

public class TwoPhaseFilesCopyStrategy
extends Object
implements org.gridgain.grid.internal.processors.cache.database.snapshot.copy.CopyStrategy

Strategy copies file to target directory in two phases:

• Copy to targetDirectory/file.tmp
• Rename tmp file to targetDirectory/file

Constructor Summary

Constructors

Constructor and Description
TwoPhaseFilesCopyStrategy(boolean onlyIfNotExists, IgniteLogger igniteLogger)

Method Summary

Modifier and Type	Method and Description
void	copy(Path srcFile, org.gridgain.grid.internal.processors.cache.database.snapshot.file.SnapshotPath targetDirectory) Perform two phase copy.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TwoPhaseFilesCopyStrategy

public TwoPhaseFilesCopyStrategy(boolean onlyIfNotExists,
                                 IgniteLogger igniteLogger)

Parameters:

onlyIfNotExists - If True copy file only if doesn't exist in target directory, if false always do copy.

igniteLogger - Logger instance.

Method Detail

copy

public void copy(Path srcFile,
                 org.gridgain.grid.internal.processors.cache.database.snapshot.file.SnapshotPath targetDirectory)
          throws IOException

Perform two phase copy.

Specified by:

copy in interface org.gridgain.grid.internal.processors.cache.database.snapshot.copy.CopyStrategy

Parameters:

srcFile - File to copy.

targetDirectory - Target directory.

Throws:

IOException - On failure.