de.julielab.xmlData.dataBase

Class ThreadedColumnsIterator

java.lang.Object

de.julielab.xmlData.dataBase.DBCIterator<E>

de.julielab.xmlData.dataBase.DBCThreadedIterator<Object[]>

de.julielab.xmlData.dataBase.ThreadedColumnsIterator

All Implemented Interfaces:

Iterator<Object[]>

public class ThreadedColumnsIterator
extends DBCThreadedIterator<Object[]>

Retrieves a list of fields from the requested table. Uses a background thread for fetching the next batch of fields after the previous batch has been returned.

Author:

hellrich

Field Summary

Fields inherited from class de.julielab.xmlData.dataBase.DBCThreadedIterator

backgroundThread, listExchanger

Constructor Summary

Constructors

Constructor and Description
ThreadedColumnsIterator(DataBaseConnector dbc, Connection conn, List<String[]> keys, List<String> fields, String table, long limit, String schemaName)
ThreadedColumnsIterator(DataBaseConnector dbc, Connection conn, List<String[]> keys, List<String> fields, String table, String schemaName)
ThreadedColumnsIterator(DataBaseConnector dbc, Connection conn, List<String> fields, String table)
ThreadedColumnsIterator(DataBaseConnector dbc, Connection conn, List<String> fields, String table, long limit)
ThreadedColumnsIterator(DataBaseConnector dbc, List<String[]> keys, List<String> fields, String table, String schemaName)
ThreadedColumnsIterator(DataBaseConnector dbc, List<String> fields, String table)
ThreadedColumnsIterator(DataBaseConnector dbc, List<String> fields, String table, long limit)

Method Summary

Modifier and Type	Method and Description
void	closeConnection()

Methods inherited from class de.julielab.xmlData.dataBase.DBCThreadedIterator

close, hasNext, next, remove, update

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

ThreadedColumnsIterator

public ThreadedColumnsIterator(DataBaseConnector dbc,
                               List<String[]> keys,
                               List<String> fields,
                               String table,
                               String schemaName)

ThreadedColumnsIterator

public ThreadedColumnsIterator(DataBaseConnector dbc,
                               Connection conn,
                               List<String[]> keys,
                               List<String> fields,
                               String table,
                               String schemaName)

ThreadedColumnsIterator

public ThreadedColumnsIterator(DataBaseConnector dbc,
                               Connection conn,
                               List<String[]> keys,
                               List<String> fields,
                               String table,
                               long limit,
                               String schemaName)

ThreadedColumnsIterator

public ThreadedColumnsIterator(DataBaseConnector dbc,
                               List<String> fields,
                               String table)

ThreadedColumnsIterator

public ThreadedColumnsIterator(DataBaseConnector dbc,
                               Connection conn,
                               List<String> fields,
                               String table)

ThreadedColumnsIterator

public ThreadedColumnsIterator(DataBaseConnector dbc,
                               List<String> fields,
                               String table,
                               long limit)

ThreadedColumnsIterator

public ThreadedColumnsIterator(DataBaseConnector dbc,
                               Connection conn,
                               List<String> fields,
                               String table,
                               long limit)

Method Detail

closeConnection

public void closeConnection()