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java.lang.Objectcom.espertech.esper.view.ViewSupport
com.espertech.esper.view.window.FirstTimeView
public class FirstTimeView
Field Summary | |
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protected AgentInstanceViewFactoryChainContext |
agentInstanceContext
|
protected java.util.LinkedHashSet<EventBean> |
events
|
protected EPStatementHandleCallback |
handle
|
protected boolean |
isClosed
|
protected long |
msecIntervalSize
|
protected ScheduleSlot |
scheduleSlot
|
Fields inherited from class com.espertech.esper.view.ViewSupport |
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EMPTY_VIEW_ARRAY, parent |
Constructor Summary | |
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FirstTimeView(FirstTimeViewFactory timeFirstViewFactory,
AgentInstanceViewFactoryChainContext agentInstanceContext,
long msecIntervalSize)
Constructor. |
Method Summary | |
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View |
cloneView()
Duplicates the view. |
java.util.LinkedHashSet<EventBean> |
getEvents()
|
EventType |
getEventType()
Provides metadata information about the type of object the event collection contains. |
long |
getMsecIntervalSize()
Returns the interval size in milliseconds. |
void |
internalHandleAdded(EventBean newEvent)
|
void |
internalHandleClosed()
|
void |
internalHandleRemoved(EventBean oldEvent)
|
boolean |
isEmpty()
Returns true if the window is empty, or false if not empty. |
java.util.Iterator<EventBean> |
iterator()
Allows iteration through all elements in this event collection. |
void |
setClosed(boolean closed)
|
void |
stop()
Stops the underlying resources. |
void |
stopSchedule()
|
void |
stopView()
|
java.lang.String |
toString()
|
void |
update(EventBean[] newData,
EventBean[] oldData)
Notify that data has been added or removed from the Viewable parent. |
Methods inherited from class com.espertech.esper.view.ViewSupport |
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addView, addView, dumpChildViews, dumpUpdateParams, dumpUpdateParams, findDescendent, findViewIndex, getParent, getViews, hasViews, removeAllViews, removeView, removeView, setParent, updateChildren, updateChildren |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface com.espertech.esper.view.View |
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getParent, setParent |
Methods inherited from interface com.espertech.esper.view.Viewable |
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addView, getViews, hasViews, removeAllViews, removeView |
Field Detail |
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protected final AgentInstanceViewFactoryChainContext agentInstanceContext
protected final long msecIntervalSize
protected final ScheduleSlot scheduleSlot
protected EPStatementHandleCallback handle
protected java.util.LinkedHashSet<EventBean> events
protected boolean isClosed
Constructor Detail |
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public FirstTimeView(FirstTimeViewFactory timeFirstViewFactory, AgentInstanceViewFactoryChainContext agentInstanceContext, long msecIntervalSize)
msecIntervalSize
- is the number of milliseconds to batch events fortimeFirstViewFactory
- fr copying this view in a group-byMethod Detail |
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public View cloneView()
CloneableView
Expected to return a same view in initialized state for grouping.
cloneView
in interface CloneableView
public final long getMsecIntervalSize()
public final EventType getEventType()
EventCollection
getEventType
in interface EventCollection
public final void update(EventBean[] newData, EventBean[] oldData)
View
update
in interface View
newData
- is the new data that has been added to the parent viewoldData
- is the old data that has been removed from the parent viewpublic void internalHandleAdded(EventBean newEvent)
public void internalHandleRemoved(EventBean oldEvent)
public void internalHandleClosed()
public boolean isEmpty()
public final java.util.Iterator<EventBean> iterator()
EventCollection
iterator
in interface EventCollection
iterator
in interface java.lang.Iterable<EventBean>
public final java.lang.String toString()
toString
in class java.lang.Object
public void stopView()
stopView
in interface StoppableView
public void stop()
StopCallback
stop
in interface StopCallback
public void stopSchedule()
public void setClosed(boolean closed)
public java.util.LinkedHashSet<EventBean> getEvents()
|
© 2006-2011 EsperTech Inc. All rights reserved. Visit us at espertech.com |
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