Package org.apache.lucene.tests.mockfile
Class FilterFileChannel
- java.lang.Object
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- java.nio.channels.spi.AbstractInterruptibleChannel
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- java.nio.channels.FileChannel
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- org.apache.lucene.tests.mockfile.FilterFileChannel
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- All Implemented Interfaces:
Closeable,AutoCloseable,ByteChannel,Channel,GatheringByteChannel,InterruptibleChannel,ReadableByteChannel,ScatteringByteChannel,SeekableByteChannel,WritableByteChannel
public abstract class FilterFileChannel extends FileChannel
AFilterFileChannelcontains anotherFileChannel, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
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Nested Class Summary
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Nested classes/interfaces inherited from class java.nio.channels.FileChannel
FileChannel.MapMode
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Field Summary
Fields Modifier and Type Field Description protected FileChanneldelegateThe underlyingFileChannelinstance.
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Constructor Summary
Constructors Constructor Description FilterFileChannel(FileChannel delegate)Construct aFilterFileChannelbased on the specified base channel.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidforce(boolean metaData)protected voidimplCloseChannel()FileLocklock(long position, long size, boolean shared)MappedByteBuffermap(FileChannel.MapMode mode, long position, long size)longposition()FileChannelposition(long newPosition)intread(ByteBuffer dst)longread(ByteBuffer[] dsts, int offset, int length)intread(ByteBuffer dst, long position)longsize()longtransferFrom(ReadableByteChannel src, long position, long count)longtransferTo(long position, long count, WritableByteChannel target)FileChanneltruncate(long size)FileLocktryLock(long position, long size, boolean shared)intwrite(ByteBuffer src)longwrite(ByteBuffer[] srcs, int offset, int length)intwrite(ByteBuffer src, long position)-
Methods inherited from class java.nio.channels.spi.AbstractInterruptibleChannel
begin, close, end, isOpen
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Field Detail
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delegate
protected final FileChannel delegate
The underlyingFileChannelinstance.
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Constructor Detail
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FilterFileChannel
public FilterFileChannel(FileChannel delegate)
Construct aFilterFileChannelbased on the specified base channel.Note that base channel is closed if this channel is closed.
- Parameters:
delegate- specified base channel.
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Method Detail
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read
public int read(ByteBuffer dst) throws IOException
- Specified by:
readin interfaceReadableByteChannel- Specified by:
readin interfaceSeekableByteChannel- Specified by:
readin classFileChannel- Throws:
IOException
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read
public long read(ByteBuffer[] dsts, int offset, int length) throws IOException
- Specified by:
readin interfaceScatteringByteChannel- Specified by:
readin classFileChannel- Throws:
IOException
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write
public int write(ByteBuffer src) throws IOException
- Specified by:
writein interfaceSeekableByteChannel- Specified by:
writein interfaceWritableByteChannel- Specified by:
writein classFileChannel- Throws:
IOException
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write
public long write(ByteBuffer[] srcs, int offset, int length) throws IOException
- Specified by:
writein interfaceGatheringByteChannel- Specified by:
writein classFileChannel- Throws:
IOException
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position
public long position() throws IOException- Specified by:
positionin interfaceSeekableByteChannel- Specified by:
positionin classFileChannel- Throws:
IOException
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position
public FileChannel position(long newPosition) throws IOException
- Specified by:
positionin interfaceSeekableByteChannel- Specified by:
positionin classFileChannel- Throws:
IOException
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size
public long size() throws IOException- Specified by:
sizein interfaceSeekableByteChannel- Specified by:
sizein classFileChannel- Throws:
IOException
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truncate
public FileChannel truncate(long size) throws IOException
- Specified by:
truncatein interfaceSeekableByteChannel- Specified by:
truncatein classFileChannel- Throws:
IOException
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force
public void force(boolean metaData) throws IOException- Specified by:
forcein classFileChannel- Throws:
IOException
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transferTo
public long transferTo(long position, long count, WritableByteChannel target) throws IOException- Specified by:
transferToin classFileChannel- Throws:
IOException
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transferFrom
public long transferFrom(ReadableByteChannel src, long position, long count) throws IOException
- Specified by:
transferFromin classFileChannel- Throws:
IOException
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read
public int read(ByteBuffer dst, long position) throws IOException
- Specified by:
readin classFileChannel- Throws:
IOException
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write
public int write(ByteBuffer src, long position) throws IOException
- Specified by:
writein classFileChannel- Throws:
IOException
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map
public MappedByteBuffer map(FileChannel.MapMode mode, long position, long size) throws IOException
- Specified by:
mapin classFileChannel- Throws:
IOException
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lock
public FileLock lock(long position, long size, boolean shared) throws IOException
- Specified by:
lockin classFileChannel- Throws:
IOException
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tryLock
public FileLock tryLock(long position, long size, boolean shared) throws IOException
- Specified by:
tryLockin classFileChannel- Throws:
IOException
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implCloseChannel
protected void implCloseChannel() throws IOException- Specified by:
implCloseChannelin classAbstractInterruptibleChannel- Throws:
IOException
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