com.metamatrix.common.extensionmodule.spi.jdbc
Class FileCache

java.lang.Object
  com.metamatrix.common.extensionmodule.spi.jdbc.FileCache

public class FileCache
extends java.lang.Object

Cache of files (byte[]s) and their checksums, by filename. The values in the cache are contained in SoftReferences, so they may be removed by the garbage collector when necessary. Other than that, there is no cache replacement.

Since:

4.2

Field Summary

static long

UNKNOWN_CHECKSUM

Constructor Summary

FileCache()

Method Summary

void	addTypeToCache(java.lang.String type)
byte[]	getBytes(java.lang.String filename)
long	getChecksum(java.lang.String filename)
void	put(java.lang.String filename, long checksum, byte[] bytes, java.lang.String type)
int	size()

Methods inherited from class java.lang.Object

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

Field Detail

UNKNOWN_CHECKSUM

public static final long UNKNOWN_CHECKSUM

See Also:

Constant Field Values

Constructor Detail

FileCache

public FileCache()

Method Detail

addTypeToCache

public void addTypeToCache(java.lang.String type)

getChecksum

public long getChecksum(java.lang.String filename)

getBytes

public byte[] getBytes(java.lang.String filename)

put

public void put(java.lang.String filename,
                long checksum,
                byte[] bytes,
                java.lang.String type)

size

public int size()