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java.lang.Object org.terrier.compression.BitFileInMemoryLarge
public class BitFileInMemoryLarge
Allows access to bit compressed files that are loaded entirely into memory. Implements a BitInSeekable that uses RandomDataInputMemory as a backing store. Can handle data files larger than those handled by BitFileInMemory (whose limit is Integer.MAX_VALUE).
Constructor Summary | |
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BitFileInMemoryLarge(RandomDataInputMemory _rdim)
constructor |
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BitFileInMemoryLarge(java.lang.String filename)
load compressed file into memory |
Method Summary | |
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void |
close()
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BitIn |
readReset(long startByteOffset,
byte startBitOffset)
Reads from the file from a specific offset. |
BitIn |
readReset(long startByteOffset,
byte startBitOffset,
long endByteOffset,
byte endBitOffset)
Reads from the file a specific number of bytes and after this call, a sequence of read calls may follow. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public BitFileInMemoryLarge(RandomDataInputMemory _rdim) throws java.io.IOException
_rdim
-
java.io.IOException
public BitFileInMemoryLarge(java.lang.String filename) throws java.io.IOException
filename
-
java.io.IOException
Method Detail |
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public BitIn readReset(long startByteOffset, byte startBitOffset, long endByteOffset, byte endBitOffset) throws java.io.IOException
readReset
in interface BitInSeekable
startByteOffset
- the starting byte to read fromstartBitOffset
- the bit offset in the starting byteendByteOffset
- the ending byteendBitOffset
- the bit offset in the ending byte.
This bit is the last bit of this entry.
java.io.IOException
public BitIn readReset(long startByteOffset, byte startBitOffset) throws java.io.IOException
readReset
in interface BitInSeekable
startByteOffset
- the starting byte to read fromstartBitOffset
- the bit offset in the starting byte
java.io.IOException
public void close() throws java.io.IOException
close
in interface java.io.Closeable
java.io.IOException
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