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 String	formatFileName()
TraceFileHeader	getHeader()
protected String	getNextFormatFileName(String previous)
protected String	getVMLevel()
protected BigInteger	readBigInteger(int size)
protected int	readI()
protected long	readL()
protected String	readString(int Length)
protected long	readULong()
protected void	setBigEndian(boolean endian)

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, toString, wait, wait, wait

Field Detail

traceFileHeader

protected TraceFileHeader traceFileHeader

lastWriteSystem

protected BigInteger lastWriteSystem

wrapOffset

protected long wrapOffset

Constructor Detail

TraceFile

public TraceFile(String filespec,
                 String mode)
          throws Exception

Throws:

Exception

Method Detail

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)

getHeader

public final TraceFileHeader getHeader()