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org.apache.derby.impl.io
Class DirRandomAccessFile  

java.lang.Object
  java.io.RandomAccessFile
      org.apache.derby.impl.io.DirRandomAccessFile

All Implemented Interfaces:

java.io.DataInput, java.io.DataOutput, org.apache.derby.io.StorageRandomAccessFile

Direct Known Subclasses:

DirRandomAccessFile4

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class DirRandomAccessFile

extends java.io.RandomAccessFile

implements org.apache.derby.io.StorageRandomAccessFile

This class provides a disk based implementation of the StIRandomAccess File interface. It is used by the database engine to access persistent data and transaction logs under the directory (default) subsubprotocol.

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Field Summary

 

Fields inherited from class java.io.RandomAccessFile

 

Constructor Summary
(package private)	DirRandomAccessFile(java.io.File name, java.lang.String mode)           Construct a StorageRandomAccessFileImpl.

 

Method Summary
void	sync(boolean metaData)           Force any changes out to the persistent store.

 

Methods inherited from 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 inherited from class java.lang.Object

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

 

Methods inherited from interface org.apache.derby.io.StorageRandomAccessFile

close, getFilePointer, length, seek, setLength

 

Methods inherited from interface java.io.DataInput

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

 

Methods inherited from interface java.io.DataOutput

write, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF

 

Constructor Detail

DirRandomAccessFile

DirRandomAccessFile(java.io.File name,
                    java.lang.String mode)
              throws java.io.FileNotFoundException

Construct a StorageRandomAccessFileImpl.

Method Detail

sync

public void sync(boolean metaData)
          throws java.io.IOException

Force any changes out to the persistent store.

Specified by:

sync in interface org.apache.derby.io.StorageRandomAccessFile

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