Package uk.ac.qmul.eecs.depic.patterns
Class SequenceEvent
- java.lang.Object
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- java.util.EventObject
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- uk.ac.qmul.eecs.depic.patterns.SequenceEvent
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public class SequenceEvent extends java.util.EventObjectAn event in a sequence. Objects of this type are passed to the listeners of a sequence when it get changed.- See Also:
- Serialized Form
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Nested Class Summary
Nested Classes Modifier and Type Class and Description static classSequenceEvent.WhatType of events in a sequence
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Constructor Summary
Constructors Constructor and Description SequenceEvent(Sequence seq, Sequence.Value val, SequenceEvent.What what)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method and Description SequencegetSource()Sequence.ValuegetValue()If the event concerns a particular value, it returns a reference to that value.SequenceEvent.WhatgetWhat()
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Constructor Detail
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SequenceEvent
public SequenceEvent(Sequence seq, Sequence.Value val, SequenceEvent.What what)
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Method Detail
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getWhat
public SequenceEvent.What getWhat()
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getSource
public Sequence getSource()
- Overrides:
getSourcein classjava.util.EventObject
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getValue
public Sequence.Value getValue()
If the event concerns a particular value, it returns a reference to that value. If the event concerns the whole sequence it returnsnull.- Returns:
- a reference to the value, or
nullif the event concerns no value
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