com.ptc.windchill.upgrade.dust
Class SparsePagingIteratorImpl

java.lang.Object
  com.ptc.windchill.upgrade.dust.PagingIteratorImpl
      com.ptc.windchill.upgrade.dust.SparsePagingIteratorImpl

All Implemented Interfaces:

Iterator, PagingIteratorIfc

public class SparsePagingIteratorImpl

extends PagingIteratorImpl

SparsePagingIteratorImpl selects a sample of objects for a given class rather than all of them. It will pick up every nth object, where n is the number given for the -m option at the command line.

See Also:

PagingIteratorImpl

Field Summary

private static boolean	DEVELOPER_MODE
(package private) int	maxObjects

Fields inherited from class com.ptc.windchill.upgrade.dust.PagingIteratorImpl

conn, offset, pageSize, querySpec, result, savedException, sessionId, TEMP_TABLE__CLASS_NAME, TEMP_TABLE_NAME, TEMP_TABLE_OID, TEMP_TABLE_ROW_ORDER, TEMP_TABLE_SESSION_ID, totalSize

Constructor Summary

protected

SparsePagingIteratorImpl()

Method Summary

private int	getMaxObjects()
protected int	initTempTable(long session_id, String id_col, String class_name)
static PagingIteratorIfc	newPagingIterator(int page_size) Instantiates and initializes a SparsePagingIteratorImpl.
static PagingIteratorIfc	newPagingIterator(int page_size, String release_level) Instantiates and initializes a SparsePagingIteratorImpl.
static PagingIteratorIfc	newPagingIterator(int page_size, String release_level, int max_objects) Instantiates and initializes a SparsePagingIteratorImpl.
static PagingIteratorIfc	newPagingIterator(long session_id, int page_size, String class_name) Instantiates and initializes a SparsePagingIteratorImpl.
private void	setMaxObjects(int max_objects)

Methods inherited from class com.ptc.windchill.upgrade.dust.PagingIteratorImpl

cleanup, closePagingSession, createTempTable, dropTempTable, executeStatement, fetchPagingSession, getPrimaryTableName, getSessionId, getTotalSize, hasNext, init, init, init, initPageQuerySpec, isRelease5, next, openPagingSession, remove, reportException, resetQuery, setRelease5

Methods inherited from class java.lang.Object

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

Field Detail

DEVELOPER_MODE

private static final boolean DEVELOPER_MODE

See Also:

Constant Field Values

maxObjects

int maxObjects

Constructor Detail

SparsePagingIteratorImpl

protected SparsePagingIteratorImpl()

Method Detail

newPagingIterator

public static PagingIteratorIfc newPagingIterator(int page_size)
                                           throws WTException

Instantiates and initializes a SparsePagingIteratorImpl.

Throws:

WTException

newPagingIterator

public static PagingIteratorIfc newPagingIterator(int page_size,
                                                  String release_level)
                                           throws WTException

Instantiates and initializes a SparsePagingIteratorImpl.

Throws:

WTException

newPagingIterator

public static PagingIteratorIfc newPagingIterator(int page_size,
                                                  String release_level,
                                                  int max_objects)
                                           throws WTException

Instantiates and initializes a SparsePagingIteratorImpl.

Throws:

WTException

newPagingIterator

public static PagingIteratorIfc newPagingIterator(long session_id,
                                                  int page_size,
                                                  String class_name)
                                           throws WTException

Instantiates and initializes a SparsePagingIteratorImpl.

Throws:

WTException

initTempTable

protected int initTempTable(long session_id,
                            String id_col,
                            String class_name)
                     throws WTException

Overrides:

initTempTable in class PagingIteratorImpl

Throws:

WTException

getMaxObjects

private int getMaxObjects()

setMaxObjects

private void setMaxObjects(int max_objects)