Package db.buffers
Interface BufferFileHandle
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- All Known Subinterfaces:
ManagedBufferFileHandle
,RemoteBufferFileHandle
,RemoteManagedBufferFileHandle
public interface BufferFileHandle
BufferFileHandle
facilitates access to a BufferFile
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
clearParameters()
void
close()
boolean
delete()
void
dispose()
DataBuffer
get(int index)
int
getBufferSize()
int[]
getFreeIndexes()
int
getIndexCount()
InputBlockStream
getInputBlockStream()
Provides local access to an input block stream.BlockStreamHandle<InputBlockStream>
getInputBlockStreamHandle()
Get an input block stream handle which will facilitate access to a remote InputBlockStream.OutputBlockStream
getOutputBlockStream(int blockCount)
Provides local access to an output block stream.BlockStreamHandle<OutputBlockStream>
getOutputBlockStreamHandle(int blockCount)
Get an output block stream handle which will facilitate access to a remote InputBlockStream.int
getParameter(java.lang.String name)
java.lang.String[]
getParameterNames()
boolean
isReadOnly()
void
put(DataBuffer buf, int index)
void
setFreeIndexes(int[] indexes)
void
setParameter(java.lang.String name, int value)
boolean
setReadOnly()
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Method Detail
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isReadOnly
boolean isReadOnly() throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
BufferFile.isReadOnly()
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setReadOnly
boolean setReadOnly() throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
BufferFile.setReadOnly()
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getParameter
int getParameter(java.lang.String name) throws java.util.NoSuchElementException, java.io.IOException
- Throws:
java.util.NoSuchElementException
java.io.IOException
- See Also:
BufferFile.getParameter(java.lang.String)
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setParameter
void setParameter(java.lang.String name, int value) throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
BufferFile.setParameter(java.lang.String, int)
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clearParameters
void clearParameters() throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
BufferFile.clearParameters()
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getParameterNames
java.lang.String[] getParameterNames() throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
BufferFile.getParameterNames()
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getBufferSize
int getBufferSize() throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
BufferFile.getBufferSize()
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getIndexCount
int getIndexCount() throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
BufferFile.getIndexCount()
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getFreeIndexes
int[] getFreeIndexes() throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
BufferFile.getFreeIndexes()
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setFreeIndexes
void setFreeIndexes(int[] indexes) throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
BufferFile.setFreeIndexes(int[])
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close
void close() throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
BufferFile.close()
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delete
boolean delete() throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
}
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get
DataBuffer get(int index) throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
BufferFile.get(DataBuffer, int)
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put
void put(DataBuffer buf, int index) throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
BufferFile.put(DataBuffer, int)
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dispose
void dispose() throws java.io.IOException
- Throws:
java.io.IOException
- See Also:
BufferFile.dispose()
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getInputBlockStream
InputBlockStream getInputBlockStream() throws java.io.IOException
Provides local access to an input block stream. This method should only be used if the associatedBufferFileAdapter.isRemote()
is false.- Throws:
java.io.IOException
- See Also:
BufferFileAdapter.getInputBlockStream()
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getOutputBlockStream
OutputBlockStream getOutputBlockStream(int blockCount) throws java.io.IOException
Provides local access to an output block stream. This method should only be used if the associatedBufferFileAdapter.isRemote()
is false.- Throws:
java.io.IOException
- See Also:
BufferFileAdapter.getOutputBlockStream(int)
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getInputBlockStreamHandle
BlockStreamHandle<InputBlockStream> getInputBlockStreamHandle() throws java.io.IOException
Get an input block stream handle which will facilitate access to a remote InputBlockStream. The handle will facilitate use of a remote streaming interface. This method should only be used if the associatedBufferFileAdapter.isRemote()
is true.- Throws:
java.io.IOException
- See Also:
BufferFileAdapter.getInputBlockStream()
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getOutputBlockStreamHandle
BlockStreamHandle<OutputBlockStream> getOutputBlockStreamHandle(int blockCount) throws java.io.IOException
Get an output block stream handle which will facilitate access to a remote InputBlockStream. The handle will facilitate use of a remote streaming interface. This method should only be used if the associatedBufferFileAdapter.isRemote()
is true.- Throws:
java.io.IOException
- See Also:
BufferFileAdapter.getOutputBlockStream(int)
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