org.mapdb

Class DataIO.DataInputByteBuffer

java.lang.Object

org.mapdb.DataIO.DataInputByteBuffer

All Implemented Interfaces:

Closeable, DataInput, AutoCloseable, DataIO.DataInputInternal

Enclosing class:

DataIO

public static final class DataIO.DataInputByteBuffer
extends Object
implements DataInput, DataIO.DataInputInternal

Wraps ByteBuffer and provides DataInput

Author:

Jan Kotek

Field Summary

Fields

Modifier and Type	Field and Description
ByteBuffer	buf
int	pos

Constructor Summary

Constructors

Constructor and Description
DataIO.DataInputByteBuffer(byte[] b) Deprecated. use DataIO.DataInputByteArray
DataIO.DataInputByteBuffer(ByteBuffer buf, int pos)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
int	getPos()
byte[]	internalByteArray()
ByteBuffer	internalByteBuffer()
boolean	readBoolean()
byte	readByte()
char	readChar()
double	readDouble()
float	readFloat()
void	readFully(byte[] b)
void	readFully(byte[] b, int off, int len)
int	readInt()
String	readLine()
long	readLong()
short	readShort()
int	readUnsignedByte()
int	readUnsignedShort()
String	readUTF()
void	setPos(int pos)
int	skipBytes(int n)
int	unpackInt()
void	unpackIntArray(int[] array, int start, int end)
long	unpackLong()
void	unpackLongArray(long[] array, int start, int end)
long[]	unpackLongArrayDeltaCompression(int size)

Methods inherited from class java.lang.Object

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

Field Detail

buf

public final ByteBuffer buf

pos

public int pos

Constructor Detail

DataIO.DataInputByteBuffer

public DataIO.DataInputByteBuffer(ByteBuffer buf,
                          int pos)

DataIO.DataInputByteBuffer

public DataIO.DataInputByteBuffer(byte[] b)

Deprecated. use DataIO.DataInputByteArray

Parameters:

b - byte buffer

Method Detail

readFully

public void readFully(byte[] b)
               throws IOException

Specified by:

readFully in interface DataInput

Throws:

IOException

readFully

public void readFully(byte[] b,
             int off,
             int len)
               throws IOException

Specified by:

readFully in interface DataInput

Throws:

IOException

skipBytes

public int skipBytes(int n)
              throws IOException

Specified by:

skipBytes in interface DataInput

Throws:

IOException

readBoolean

public boolean readBoolean()
                    throws IOException

Specified by:

readBoolean in interface DataInput

Throws:

IOException

readByte

public byte readByte()
              throws IOException

Specified by:

readByte in interface DataInput

Throws:

IOException

readUnsignedByte

public int readUnsignedByte()
                     throws IOException

Specified by:

readUnsignedByte in interface DataInput

Throws:

IOException

readShort

public short readShort()
                throws IOException

Specified by:

readShort in interface DataInput

Throws:

IOException

readUnsignedShort

public int readUnsignedShort()
                      throws IOException

Specified by:

readUnsignedShort in interface DataInput

Throws:

IOException

readChar

public char readChar()
              throws IOException

Specified by:

readChar in interface DataInput

Throws:

IOException

readInt

public int readInt()
            throws IOException

Specified by:

readInt in interface DataInput

Throws:

IOException

readLong

public long readLong()
              throws IOException

Specified by:

readLong in interface DataInput

Throws:

IOException

readFloat

public float readFloat()
                throws IOException

Specified by:

readFloat in interface DataInput

Throws:

IOException

readDouble

public double readDouble()
                  throws IOException

Specified by:

readDouble in interface DataInput

Throws:

IOException

readLine

public String readLine()
                throws IOException

Specified by:

readLine in interface DataInput

Throws:

IOException

readUTF

public String readUTF()
               throws IOException

Specified by:

readUTF in interface DataInput

Throws:

IOException

getPos

public int getPos()

Specified by:

getPos in interface DataIO.DataInputInternal

setPos

public void setPos(int pos)

Specified by:

setPos in interface DataIO.DataInputInternal

internalByteArray

public byte[] internalByteArray()

Specified by:

internalByteArray in interface DataIO.DataInputInternal

Returns:

underlying byte[] or null if it does not exist

internalByteBuffer

public ByteBuffer internalByteBuffer()

Specified by:

internalByteBuffer in interface DataIO.DataInputInternal

Returns:

underlying ByteBuffer or null if it does not exist

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface DataIO.DataInputInternal

unpackLong

public long unpackLong()
                throws IOException

Specified by:

unpackLong in interface DataIO.DataInputInternal

Throws:

IOException

unpackInt

public int unpackInt()
              throws IOException

Specified by:

unpackInt in interface DataIO.DataInputInternal

Throws:

IOException

unpackLongArrayDeltaCompression

public long[] unpackLongArrayDeltaCompression(int size)
                                       throws IOException

Specified by:

unpackLongArrayDeltaCompression in interface DataIO.DataInputInternal

Throws:

IOException

unpackLongArray

public void unpackLongArray(long[] array,
                   int start,
                   int end)

Specified by:

unpackLongArray in interface DataIO.DataInputInternal

unpackIntArray

public void unpackIntArray(int[] array,
                  int start,
                  int end)

Specified by:

unpackIntArray in interface DataIO.DataInputInternal