net.sf.dc.db
Class QueryQueue

java.lang.Object
  extended byjava.lang.Thread
      extended bynet.sf.dc.db.QueryQueue
All Implemented Interfaces:
java.lang.Runnable

public class QueryQueue
extends java.lang.Thread

Query queue with last in last out mechanism. Request for actions depending on the query are past on to the WorkFlow. The queue is in fact a LinkedList

Since:
1.3
Version:
DC0.50
Author:
Robert-Jan van der Waals

Field Summary
 
Fields inherited from class java.lang.Thread
MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY
 
Constructor Summary
QueryQueue(java.sql.Connection connection)
          Initializes the queue, it sets the connection and the statement object
 
Method Summary
 void addQuery(Query query)
          Adds a query to the queue (at the last position)
 void addQueryBatch(QueryBatch batch)
          Adds a query batch to the queue
 void run()
          Starts the queue.
 
Methods inherited from class java.lang.Thread
activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

QueryQueue

public QueryQueue(java.sql.Connection connection)
Initializes the queue, it sets the connection and the statement object

Method Detail

addQuery

public void addQuery(Query query)
Adds a query to the queue (at the last position)

Parameters:
query - the query object

addQueryBatch

public void addQueryBatch(QueryBatch batch)
Adds a query batch to the queue

Parameters:
batch - query batch

run

public void run()
Starts the queue. If the queue is empty the thread is set in sleep mode