hep.io.root.core
Interface RootInput

All Superinterfaces:

DataInput

All Known Implementing Classes:

FastInputStream, RootDaemonInputStream, RootRandomAccessFile

public interface RootInput
extends DataInput

Extension of DataInput with root specific utilities

Version:

$Id: RootInput.java 13617 2009-04-09 22:48:46Z tonyj $

Author:

Tony Johnson (tonyj@slac.stanford.edu)

Method Summary

void	checkLength(AbstractRootObject object)
void	clearMap()
void	close()
void	dump() For debugging
RootClassFactory	getFactory()
long	getPosition()
int	getRootVersion() Returns the Root version which wrote this file
RootInput	getTop() Returns the RootInput at the top of top of the heirarchy of slices
int	readArray(byte[] data)
int	readArray(double[] data)
int	readArray(float[] data)
int	readArray(int[] data)
int	readArray(short[] data)
void	readFixedArray(byte[] data)
void	readFixedArray(double[] data)
void	readFixedArray(float[] data)
void	readFixedArray(int[] data)
void	readFixedArray(long[] data)
void	readFixedArray(short[] data)
void	readMultiArray(Object[] array)
String	readNullTerminatedString(int maxLength)
RootObject	readObject(String type)
RootObject	readObjectRef()
String	readString()
double	readTwistedDouble() Reads a double in strange byte order?
int	readVersion()
int	readVersion(AbstractRootObject object)
void	setMap(int offset)
void	setPosition(long pos)
void	skipObject() For skipping uninterpretable objects
RootInput	slice(int size) Returns a new RootInput stream which represents a slice of this RootInput stream.
RootInput	slice(int inSize, int outSize) Slice and decompress

Methods inherited from interface java.io.DataInput

readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, skipBytes

Method Detail

getFactory

RootClassFactory getFactory()

Returns:

The RootClassFactory associated with this stream

setMap

void setMap(int offset)
            throws IOException

Throws:

IOException

setPosition

void setPosition(long pos)
                 throws IOException

Throws:

IOException

getPosition

long getPosition()
                 throws IOException

Throws:

IOException

getRootVersion

int getRootVersion()

Returns the Root version which wrote this file

getTop

RootInput getTop()

Returns the RootInput at the top of top of the heirarchy of slices

checkLength

void checkLength(AbstractRootObject object)
                 throws IOException

Throws:

IOException

clearMap

void clearMap()
              throws IOException

Throws:

IOException

readArray

int readArray(int[] data)
              throws IOException

Throws:

IOException

readArray

int readArray(byte[] data)
              throws IOException

Throws:

IOException

readArray

int readArray(short[] data)
              throws IOException

Throws:

IOException

readArray

int readArray(float[] data)
              throws IOException

Throws:

IOException

readArray

int readArray(double[] data)
              throws IOException

Throws:

IOException

readFixedArray

void readFixedArray(int[] data)
                    throws IOException

Throws:

IOException

readFixedArray

void readFixedArray(byte[] data)
                    throws IOException

Throws:

IOException

readFixedArray

void readFixedArray(short[] data)
                    throws IOException

Throws:

IOException

readFixedArray

void readFixedArray(float[] data)
                    throws IOException

Throws:

IOException

readFixedArray

void readFixedArray(double[] data)
                    throws IOException

Throws:

IOException

readFixedArray

void readFixedArray(long[] data)
                    throws IOException

Throws:

IOException

readMultiArray

void readMultiArray(Object[] array)
                    throws IOException

Throws:

IOException

readNullTerminatedString

String readNullTerminatedString(int maxLength)
                                throws IOException

Throws:

IOException

readObject

RootObject readObject(String type)
                      throws IOException

Throws:

IOException

readObjectRef

RootObject readObjectRef()
                         throws IOException

Throws:

IOException

readString

String readString()
                  throws IOException

Throws:

IOException

readVersion

int readVersion()
                throws IOException

Throws:

IOException

readVersion

int readVersion(AbstractRootObject object)
                throws IOException

Throws:

IOException

slice

RootInput slice(int size)
                throws IOException

Returns a new RootInput stream which represents a slice of this RootInput stream. The new RootInput maintains its own file position independent of the parent stream. The slice starts from the current file position and extends for size bytes.

Parameters:

size - The size of the slice.

Returns:

The slice

Throws:

IOException

slice

RootInput slice(int inSize,
                int outSize)
                throws IOException

Slice and decompress

Throws:

IOException

readTwistedDouble

double readTwistedDouble()
                         throws IOException

Reads a double in strange byte order?

Throws:

IOException

dump

void dump()
          throws IOException

For debugging

Throws:

IOException

close

void close()
           throws IOException

Throws:

IOException

skipObject

void skipObject()
                throws IOException

For skipping uninterpretable objects

Throws:

IOException