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java.lang.Objectorg.biojava.utils.AbstractChangeable
org.biojava.bio.seq.db.AbstractSequenceDB
org.biojava.bio.seq.db.SequenceDBWrapper
public abstract class SequenceDBWrapper
An abstract implementation of SequenceDB that wraps up another database.
Nested Class Summary | |
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protected class |
SequenceDBWrapper.SequencesForwarder
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Field Summary |
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Fields inherited from interface org.biojava.bio.seq.db.SequenceDBLite |
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SEQUENCES |
Constructor Summary | |
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SequenceDBWrapper(SequenceDB parent)
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Method Summary | |
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protected ChangeSupport |
getChangeSupport(ChangeType ct)
Called to retrieve the ChangeSupport for this object. |
SequenceDB |
getParent()
Return the parent SequenceDB. |
Methods inherited from class org.biojava.bio.seq.db.AbstractSequenceDB |
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addSequence, filter, removeSequence, sequenceIterator |
Methods inherited from class org.biojava.utils.AbstractChangeable |
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addChangeListener, addChangeListener, generateChangeSupport, hasListeners, hasListeners, isUnchanging, removeChangeListener, removeChangeListener |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.biojava.bio.seq.db.SequenceDB |
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ids |
Methods inherited from interface org.biojava.bio.seq.db.SequenceDBLite |
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getName, getSequence |
Methods inherited from interface org.biojava.utils.Changeable |
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addChangeListener, addChangeListener, isUnchanging, removeChangeListener, removeChangeListener |
Constructor Detail |
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public SequenceDBWrapper(SequenceDB parent)
Method Detail |
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protected ChangeSupport getChangeSupport(ChangeType ct)
AbstractChangeable
Your implementation of this method should have the following structure:
It is usual for the forwarding listeners (someForwarder in this example) to
be transient and lazily instantiated. Be sure to register & unregister the
forwarder in the code that does the ChangeEvent handling in setter methods.
ChangeSupport cs = super.getChangeSupport(ct);
if(someForwarder == null && ct.isMatching(SomeInterface.SomeChangeType)) {
someForwarder = new ChangeForwarder(...
this.stateVariable.addChangeListener(someForwarder, VariableInterface.AChange);
}
return cs;
getChangeSupport
in class AbstractChangeable
public SequenceDB getParent()
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