Module org.apache.lucene.backward_codecs

Package org.apache.lucene.backward_codecs.store

Class EndiannessReverserChecksumIndexInput

java.lang.Object

org.apache.lucene.store.DataInput

org.apache.lucene.store.IndexInput

org.apache.lucene.store.ChecksumIndexInput

org.apache.lucene.backward_codecs.store.EndiannessReverserChecksumIndexInput

All Implemented Interfaces:

Closeable, AutoCloseable, Cloneable

final class EndiannessReverserChecksumIndexInput
extends ChecksumIndexInput

A ChecksumIndexInput wrapper that changes the endianness of the provided index output.

Field Summary

Fields

Modifier and Type	Field	Description
private final ChecksumIndexInput	in

Constructor Summary

Constructors

Constructor	Description
EndiannessReverserChecksumIndexInput(IndexInput in)

Method Summary

Modifier and Type	Method	Description
void	close()	Closes the stream to further operations.
long	getChecksum()	Returns the current checksum value
long	getFilePointer()	Returns the current position in this file, where the next read will occur.
long	length()	The number of bytes in the file.
byte	readByte()	Reads and returns a single byte.
void	readBytes(byte[] b, int offset, int len)	Reads a specified number of bytes into an array at the specified offset.
int	readInt()	Reads four bytes and returns an int (LE byte order).
long	readLong()	Reads eight bytes and returns a long (LE byte order).
short	readShort()	Reads two bytes and returns a short (LE byte order).
IndexInput	slice(String sliceDescription, long offset, long length)	Creates a slice of this index input, with the given description, offset, and length.

Methods inherited from class org.apache.lucene.store.ChecksumIndexInput

seek

Methods inherited from class org.apache.lucene.store.IndexInput

clone, getFullSliceDescription, randomAccessSlice, skipBytes, toString

Methods inherited from class org.apache.lucene.store.DataInput

readBytes, readFloats, readGroupVInt, readGroupVInts, readInts, readLongs, readMapOfStrings, readSetOfStrings, readString, readVInt, readVLong, readZInt, readZLong

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

in

private final ChecksumIndexInput in

Constructor Details

EndiannessReverserChecksumIndexInput

EndiannessReverserChecksumIndexInput(IndexInput in)

Method Details

getChecksum

public long getChecksum()
                 throws IOException

Description copied from class: ChecksumIndexInput

Returns the current checksum value

Specified by:

getChecksum in class ChecksumIndexInput

Throws:

IOException

readByte

public byte readByte()
              throws IOException

Description copied from class: DataInput

Reads and returns a single byte.

Specified by:

readByte in class DataInput

Throws:

IOException

See Also:

• DataOutput.writeByte(byte)

readBytes

public void readBytes(byte[] b,
 int offset,
 int len)
               throws IOException

Description copied from class: DataInput

Reads a specified number of bytes into an array at the specified offset.

Specified by:

readBytes in class DataInput

Parameters:

b - the array to read bytes into

offset - the offset in the array to start storing bytes

len - the number of bytes to read

Throws:

IOException

See Also:

• DataOutput.writeBytes(byte[],int)

readShort

public short readShort()
                throws IOException

Description copied from class: DataInput

Reads two bytes and returns a short (LE byte order).

Overrides:

readShort in class DataInput

Throws:

IOException

See Also:

• DataOutput.writeShort(short)
• BitUtil.VH_LE_SHORT

readInt

public int readInt()
            throws IOException

Description copied from class: DataInput

Reads four bytes and returns an int (LE byte order).

Overrides:

readInt in class DataInput

Throws:

IOException

See Also:

• DataOutput.writeInt(int)
• BitUtil.VH_LE_INT

readLong

public long readLong()
              throws IOException

Description copied from class: DataInput

Reads eight bytes and returns a long (LE byte order).

Overrides:

readLong in class DataInput

Throws:

IOException

See Also:

• DataOutput.writeLong(long)
• BitUtil.VH_LE_LONG

close

public void close()
           throws IOException

Description copied from class: IndexInput

Closes the stream to further operations.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class IndexInput

Throws:

IOException

getFilePointer

public long getFilePointer()

Description copied from class: IndexInput

Returns the current position in this file, where the next read will occur.

Specified by:

getFilePointer in class IndexInput

See Also:

• IndexInput.seek(long)

length

public long length()

Description copied from class: IndexInput

The number of bytes in the file.

Specified by:

length in class IndexInput

slice

public IndexInput slice(String sliceDescription,
 long offset,
 long length)
                 throws IOException

Description copied from class: IndexInput

Creates a slice of this index input, with the given description, offset, and length. The slice is sought to the beginning.

Specified by:

slice in class IndexInput

Throws:

IOException