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java.lang.Objectcom.wrq.vhi.script.api.AttributeEventHandler
public abstract class AttributeEventHandler
Abstract base class for an attribute event listener. All classes that extend this class appear as attribute event handlers in the VHI design tool.
Field Summary |
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Fields inherited from interface com.wrq.vhi.script.api.EventHandler |
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DEFAULT_TIMEOUT |
Constructor Summary | |
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AttributeEventHandler()
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Method Summary | |
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java.lang.String |
readAttribute(ReadAttributeEvent event)
Called to read the attribute. |
void |
writeAttribute(WriteAttributeEvent event)
Called to write the attribute. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public AttributeEventHandler()
Method Detail |
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public java.lang.String readAttribute(ReadAttributeEvent event) throws ApptrieveException
Any exception thrown from this event will cause the attribute read to fail.
event
- the event instance
ApptrieveException
public void writeAttribute(WriteAttributeEvent event) throws ApptrieveException
Any exception thrown from this event will cause the attribute write to fail.
event
- the event instance
ApptrieveException
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