Package org.apache.lucene.store
Class ChecksumIndexOutput
java.lang.Object
org.apache.lucene.store.DataOutput
org.apache.lucene.store.IndexOutput
org.apache.lucene.store.ChecksumIndexOutput
- All Implemented Interfaces:
Closeable
,AutoCloseable
Writes bytes through to a primary IndexOutput, computing
checksum. Note that you cannot use seek().
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoid
close()
Closes this stream to further operations.void
writes the checksumvoid
flush()
Forces any buffered output to be written.long
long
Returns the current position in this file, where the next write will occur.long
length()
The number of bytes in the file.void
seek
(long pos) Sets current position in this file, where the next write will occur.void
writeByte
(byte b) Writes a single byte.void
writeBytes
(byte[] b, int offset, int length) Writes an array of bytes.Methods inherited from class org.apache.lucene.store.IndexOutput
setLength
Methods inherited from class org.apache.lucene.store.DataOutput
copyBytes, writeBytes, writeInt, writeLong, writeShort, writeString, writeStringSet, writeStringStringMap, writeVInt, writeVLong
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Constructor Details
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ChecksumIndexOutput
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Method Details
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writeByte
Description copied from class:DataOutput
Writes a single byte.The most primitive data type is an eight-bit byte. Files are accessed as sequences of bytes. All other data types are defined as sequences of bytes, so file formats are byte-order independent.
- Specified by:
writeByte
in classDataOutput
- Throws:
IOException
- See Also:
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writeBytes
Description copied from class:DataOutput
Writes an array of bytes.- Specified by:
writeBytes
in classDataOutput
- Parameters:
b
- the bytes to writeoffset
- the offset in the byte arraylength
- the number of bytes to write- Throws:
IOException
- See Also:
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getChecksum
public long getChecksum() -
flush
Description copied from class:IndexOutput
Forces any buffered output to be written.- Specified by:
flush
in classIndexOutput
- Throws:
IOException
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close
Description copied from class:IndexOutput
Closes this stream to further operations.- Specified by:
close
in interfaceAutoCloseable
- Specified by:
close
in interfaceCloseable
- Specified by:
close
in classIndexOutput
- Throws:
IOException
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getFilePointer
public long getFilePointer()Description copied from class:IndexOutput
Returns the current position in this file, where the next write will occur.- Specified by:
getFilePointer
in classIndexOutput
- See Also:
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seek
public void seek(long pos) Description copied from class:IndexOutput
Sets current position in this file, where the next write will occur.- Specified by:
seek
in classIndexOutput
- See Also:
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finishCommit
writes the checksum- Throws:
IOException
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length
Description copied from class:IndexOutput
The number of bytes in the file.- Specified by:
length
in classIndexOutput
- Throws:
IOException
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