Java Doc for DataFileDefrag.java in  » Database-DBMS » hsql » org » hsqldb » persist » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » hsql » org.hsqldb.persist   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.hsqldb.persist.DataFileDefrag DataFileDefrag final class DataFileDefrag (Code) Routine to defrag the *.data file. This method iterates over the primary index of a table to find the disk position for each row and stores it, together with the new position in an array. A second pass over the primary index writes each row to the new disk image after translating the old pointers to the new. author:    fredt@users version:    1.8.0 since:    1.7.2 Field Summary  DataFileCache cache       Database database       long fileOffset       BufferedOutputStream fileStreamOut       String filename       int[][] rootsList       int scale       StopWatch stopw       DoubleIntIndex transactionRowLookup      Constructor Summary   DataFileDefrag(Database db, DataFileCache cache, String filename)      Method Summary  void process()       void setTransactionRowLookups(DoubleIntIndex pointerLookup)       void updateTableIndexRoots()       void updateTransactionRowIDs()       int[] writeTableToDataFile(Table table)       void writeTransactionRows()      Field Detail cache DataFileCache cache(Code) database Database database(Code) fileOffset long fileOffset(Code) fileStreamOut BufferedOutputStream fileStreamOut(Code) filename String filename(Code) rootsList int[][] rootsList(Code) scale int scale(Code) stopw StopWatch stopw(Code) transactionRowLookup DoubleIntIndex transactionRowLookup(Code) Constructor Detail DataFileDefrag DataFileDefrag(Database db, DataFileCache cache, String filename)(Code) Method Detail process void process() throws HsqlException, IOException(Code) setTransactionRowLookups void setTransactionRowLookups(DoubleIntIndex pointerLookup)(Code) updateTableIndexRoots void updateTableIndexRoots() throws HsqlException(Code) called from outside after the complete end of defrag updateTransactionRowIDs void updateTransactionRowIDs() throws HsqlException(Code) called from outside after the complete end of defrag writeTableToDataFile int[] writeTableToDataFile(Table table) throws IOException, HsqlException(Code) writeTransactionRows void writeTransactionRows()(Code) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)