Module openj9.traceformat

Package com.ibm.jvm.format

Class TraceFile

java.lang.Object

java.io.RandomAccessFile

com.ibm.jvm.format.TraceFile

All Implemented Interfaces:

Closeable, DataInput, DataOutput, AutoCloseable

public final class TraceFile
extends RandomAccessFile

Encapsulates a trace "file" - In this case it is a single file on the disk.

Field Summary

Fields

Modifier and Type	Field	Description
protected BigInteger	lastWriteSystem
protected TraceFileHeader	traceFileHeader
protected long	wrapOffset

Constructor Summary

Constructors

Constructor	Description
TraceFile(String filespec, String mode)

Method Summary

Modifier and Type	Method	Description
protected final String	formatFileName()
final TraceFileHeader	getHeader()
protected final String	getNextFormatFileName(String previous)
protected final String	getVMLevel()
protected final BigInteger	readBigInteger(int size)
protected final int	readI()
protected final long	readL()
protected final String	readString(int Length)
protected final long	readULong()
protected final void	setBigEndian(boolean endian)
final String	toString()	Answers a string containing a concise, human-readable description of the receiver.

Methods declared in class java.io.RandomAccessFile

close, getChannel, getFD, getFilePointer, length, read, read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, seek, setLength, skipBytes, write, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF

Methods declared in class java.lang.Object

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

Field Details

traceFileHeader

protected TraceFileHeader traceFileHeader

lastWriteSystem

protected BigInteger lastWriteSystem

wrapOffset

protected long wrapOffset

Constructor Details

TraceFile

public TraceFile(String filespec,
 String mode)
          throws Exception

Throws:

Exception

Method Details

readI

protected final int readI()
                   throws IOException

Throws:

IOException

readL

protected final long readL()
                    throws IOException

Throws:

IOException

readBigInteger

protected final BigInteger readBigInteger(int size)
                                   throws IOException

Throws:

IOException

readULong

protected final long readULong()
                        throws IOException

Throws:

IOException

readString

protected final String readString(int Length)
                           throws IOException

Throws:

IOException

setBigEndian

protected final void setBigEndian(boolean endian)

formatFileName

protected final String formatFileName()

getVMLevel

protected final String getVMLevel()

getNextFormatFileName

protected final String getNextFormatFileName(String previous)

toString

public final String toString()

Description copied from class: java.lang.Object

Answers a string containing a concise, human-readable description of the receiver.

Overrides:

toString in class Object

Returns:

String a printable representation for the receiver.

getHeader

public final TraceFileHeader getHeader()