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java.lang.Objectrabbit.proxy.FileResourceSource
public class FileResourceSource
A resource that comes from a file.
Field Summary | |
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protected ByteBuffer |
buffer
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protected FileChannel |
fc
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Constructor Summary | |
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FileResourceSource(String filename,
TaskRunner tr)
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Method Summary | |
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void |
addBlockListener(BlockListener listener)
Generally we do not come into this method, but it can happen.. |
long |
length()
Get the length of the resource in bytes. |
void |
release(Connection con)
Release any held resources. |
boolean |
supportsTransfer()
FileChannels can be used, will always return true. |
long |
transferTo(long position,
long count,
WritableByteChannel target)
Transfers bytes from this channel's file to the given writable byte channel. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected FileChannel fc
protected ByteBuffer buffer
Constructor Detail |
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public FileResourceSource(String filename, TaskRunner tr) throws IOException
IOException
Method Detail |
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public boolean supportsTransfer()
supportsTransfer
in interface ResourceSource
public long length()
ResourceSource
length
in interface ResourceSource
length
in interface Transferable
public long transferTo(long position, long count, WritableByteChannel target) throws IOException
Transferable
transferTo
in interface Transferable
position
- The position within the file at which the transfer
is to begin; must be non-negativecount
- The maximum number of bytes to be transferred;
must be non-negativetarget
- The target channel
IOException
transferTo
public void addBlockListener(BlockListener listener)
addBlockListener
in interface ResourceSource
public void release(Connection con)
ResourceSource
release
in interface ResourceSource
con
- the Connection handling the resource.
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