org.entityfs.ram
Class RamFileAdapter

java.lang.Object
  org.entityfs.impl.impl.adapter.AbstractRWEntityAdapter<RamFileSystemAdapter,RamDirectoryAdapter>
      org.entityfs.ram.AbstractRamEntityAdapter
          org.entityfs.ram.RamFileAdapter

All Implemented Interfaces:

EntityAdapter, FileAdapter

public final class RamFileAdapter
extends AbstractRamEntityAdapter
implements FileAdapter

Since:

1.0

Author:

Karl Gustafsson

Constructor Summary

RamFileAdapter(RamFileSystemAdapter fs, RamDirectoryAdapter parent, String name)

Method Summary

void	copyTo(OutputStream os)
void	copyTo(WritableByteChannel wbc)
void	delete() Override to leave back segments to the size guard
long	getDataSize()
EntityType	getEntityType()
long	getSize()
ScatteringByteChannel	openChannelForRead()
GatheringByteChannel	openChannelForWrite(boolean append)
RandomAccess	openForRandomAccess(RandomAccessMode mode)
InputStream	openForRead()
OutputStream	openForWrite(boolean append)
int	read(long pos)
int	read(long pos, byte[] barr)
int	read(long pos, byte[] barr, int off, int len) Same behavior as InputStream.read
int	read(long pos, ByteBuffer bb)
void	replaceContents(FileAdapter fa)
void	setLength(long l)
String	toString()
void	write(byte[] barr)
void	write(byte[] barr, int off, int len) Same contract as OutputStream.write
int	write(ByteBuffer src)
void	write(int b)
void	writeAt(long pos, byte[] barr)
void	writeAt(long pos, byte[] barr, int off, int len)
int	writeAt(long pos, ByteBuffer src)
void	writeAt(long pos, int b)

Methods inherited from class org.entityfs.ram.AbstractRamEntityAdapter

canRead, canWrite, create, exists, getLastModified, rename, setLastModified

Methods inherited from class org.entityfs.impl.impl.adapter.AbstractRWEntityAdapter

getName, getParent, setName, setParent

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.entityfs.impl.adapter.EntityAdapter

canRead, canWrite, create, exists, getFileSystemAdapter, getLastModified, getName, getParent, init, rename, setLastModified

Constructor Detail

RamFileAdapter

public RamFileAdapter(RamFileSystemAdapter fs,
                      RamDirectoryAdapter parent,
                      String name)

Method Detail

getSize

public long getSize()

Specified by:

getSize in interface FileAdapter

getDataSize

public long getDataSize()

Specified by:

getDataSize in interface FileAdapter

openForRead

public InputStream openForRead()

Specified by:

openForRead in interface FileAdapter

openForWrite

public OutputStream openForWrite(boolean append)

Specified by:

openForWrite in interface FileAdapter

openChannelForRead

public ScatteringByteChannel openChannelForRead()

Specified by:

openChannelForRead in interface FileAdapter

openChannelForWrite

public GatheringByteChannel openChannelForWrite(boolean append)

Specified by:

openChannelForWrite in interface FileAdapter

openForRandomAccess

public RandomAccess openForRandomAccess(RandomAccessMode mode)

Specified by:

openForRandomAccess in interface FileAdapter

copyTo

public void copyTo(OutputStream os)

Specified by:

copyTo in interface FileAdapter

copyTo

public void copyTo(WritableByteChannel wbc)

Specified by:

copyTo in interface FileAdapter

getEntityType

public EntityType getEntityType()

Specified by:

getEntityType in interface EntityAdapter

read

public int read(long pos)

read

public int read(long pos,
                byte[] barr,
                int off,
                int len)

Same behavior as InputStream.read

read

public int read(long pos,
                byte[] barr)

read

public int read(long pos,
                ByteBuffer bb)

write

public void write(int b)

write

public void write(byte[] barr,
                  int off,
                  int len)

Same contract as OutputStream.write

Parameters:

barr -

off -

len -

write

public void write(byte[] barr)

writeAt

public void writeAt(long pos,
                    int b)

writeAt

public void writeAt(long pos,
                    byte[] barr,
                    int off,
                    int len)

writeAt

public void writeAt(long pos,
                    byte[] barr)

write

public int write(ByteBuffer src)

writeAt

public int writeAt(long pos,
                   ByteBuffer src)

setLength

public void setLength(long l)

delete

public void delete()

Override to leave back segments to the size guard

Specified by:

delete in interface EntityAdapter

Overrides:

delete in class AbstractRamEntityAdapter

replaceContents

public void replaceContents(FileAdapter fa)

Specified by:

replaceContents in interface FileAdapter

toString

public String toString()

Overrides:

toString in class Object