com.ontimize.util.gis.client.defaultimplementations.cache
Class RequestQueryWithDeleting

java.lang.Object
  com.ontimize.util.gis.client.defaultimplementations.cache.RequestQueryWithDeleting

All Implemented Interfaces:

IRequestQuery

public class RequestQueryWithDeleting
extends java.lang.Object
implements IRequestQuery

Request query where previous pending requests are deleted when a new request arrives.

Field Summary

protected IGisDataDispatcher	dataDispatcher
protected boolean	DEBUG
protected java.util.concurrent.locks.Condition	emptyQueryCondition
protected java.util.Hashtable<java.lang.Object,java.lang.Object>	lastTickets
protected java.util.Stack<java.lang.Object>	queryData
protected java.util.concurrent.locks.Lock	queryLock

Fields inherited from interface com.ontimize.util.gis.client.defaultimplementations.cache.IRequestQuery

PARAMETER_REQUEST_DATA, PARAMETER_REQUESTER_ID

Constructor Summary

RequestQueryWithDeleting()

Method Summary

void	addRequest(java.lang.Object requestData, java.lang.Object requesterId) Add a new data request to the pending requests stack
java.util.concurrent.locks.Condition	getEmptyCondition() Get the empty stack condition reference
java.util.concurrent.locks.Lock	getLock() Get the reference of the pending requests stack lock
int	getQueriesStackSize()
java.lang.Object	getRequest() Get the new pending request located at the top of the stack

Methods inherited from class java.lang.Object

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

Field Detail

queryLock

protected java.util.concurrent.locks.Lock queryLock

emptyQueryCondition

protected java.util.concurrent.locks.Condition emptyQueryCondition

lastTickets

protected java.util.Hashtable<java.lang.Object,java.lang.Object> lastTickets

queryData

protected java.util.Stack<java.lang.Object> queryData

dataDispatcher

protected IGisDataDispatcher dataDispatcher

DEBUG

protected boolean DEBUG

Constructor Detail

RequestQueryWithDeleting

public RequestQueryWithDeleting()

Method Detail

getEmptyCondition

public java.util.concurrent.locks.Condition getEmptyCondition()

Description copied from interface: IRequestQuery

Get the empty stack condition reference

Specified by:

getEmptyCondition in interface IRequestQuery

Returns:

Empty request stack condition

getLock

public java.util.concurrent.locks.Lock getLock()

Description copied from interface: IRequestQuery

Get the reference of the pending requests stack lock

Specified by:

getLock in interface IRequestQuery

Returns:

Stack lock

addRequest

public void addRequest(java.lang.Object requestData,
                       java.lang.Object requesterId)

Description copied from interface: IRequestQuery

Add a new data request to the pending requests stack

Specified by:

addRequest in interface IRequestQuery

Parameters:

requestData - Requested data description

requesterId - Identifier for the requesting class

getRequest

public java.lang.Object getRequest()

Description copied from interface: IRequestQuery

Get the new pending request located at the top of the stack

Specified by:

getRequest in interface IRequestQuery

Returns:

First pending request

getQueriesStackSize

public int getQueriesStackSize()

Specified by:

getQueriesStackSize in interface IRequestQuery