class MkTabDirectoryEntry<D extends Distance<D>> extends MTreeDirectoryEntry<D> implements MkTabEntry<D>
Modifier and Type | Field and Description |
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private int |
k_max
The maximal number of knn distances to be stored.
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private List<D> |
knnDistances
The aggregated knn distances of the underlying node.
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private static long |
serialVersionUID |
Constructor and Description |
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MkTabDirectoryEntry()
Empty constructor for serialization purposes.
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MkTabDirectoryEntry(DBID objectID,
D parentDistance,
Integer nodeID,
D coveringRadius,
List<D> knnDistances)
Provides a new MkMaxDirectoryEntry with the given parameters.
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Modifier and Type | Method and Description |
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boolean |
equals(Object o)
Indicates whether some other object is "equal to" this one.
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int |
getK_max()
Returns the parameter k_max.
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D |
getKnnDistance(int k)
Returns the knn distance of the entry for the specified parameter k.
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List<D> |
getKnnDistances()
Returns the list of knn distances of the entry.
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void |
readExternal(ObjectInput in)
Calls the super method and reads the parameter k_max and knn distance of
this entry from the specified input stream.
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void |
setKnnDistances(List<D> knnDistances)
Sets the knn distances of the entry.
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void |
writeExternal(ObjectOutput out)
Calls the super method and writes the parameter k_max and the knn distances
of this entry to the specified stream.
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getCoveringRadius, getParentDistance, getRoutingObjectID, setCoveringRadius, setParentDistance, setRoutingObjectID, toString
getEntryID, getPageID, hashCode, isLeafEntry
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
getCoveringRadius, getParentDistance, getRoutingObjectID, setCoveringRadius, setParentDistance, setRoutingObjectID
isLeafEntry
private static final long serialVersionUID
private int k_max
public MkTabDirectoryEntry()
public MkTabDirectoryEntry(DBID objectID, D parentDistance, Integer nodeID, D coveringRadius, List<D> knnDistances)
objectID
- the id of the routing objectparentDistance
- the distance from the routing object of this entry to
its parent's routing objectnodeID
- the id of the underlying nodecoveringRadius
- the covering radius of the entryknnDistances
- the aggregated knn distances of the underlying nodepublic List<D> getKnnDistances()
MkTabEntry
getKnnDistances
in interface MkTabEntry<D extends Distance<D>>
public void setKnnDistances(List<D> knnDistances)
MkTabEntry
setKnnDistances
in interface MkTabEntry<D extends Distance<D>>
knnDistances
- the knn distances to be setpublic D getKnnDistance(int k)
MkTabEntry
getKnnDistance
in interface MkTabEntry<D extends Distance<D>>
k
- the parameter k of the knn distancepublic int getK_max()
MkTabEntry
getK_max
in interface MkTabEntry<D extends Distance<D>>
public void writeExternal(ObjectOutput out) throws IOException
writeExternal
in interface Externalizable
writeExternal
in class MTreeDirectoryEntry<D extends Distance<D>>
out
- the stream to write the object toIOException
- Includes any I/O exceptions that may occurpublic void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
readExternal
in interface Externalizable
readExternal
in class MTreeDirectoryEntry<D extends Distance<D>>
in
- the stream to read data from in order to restore the objectIOException
- if I/O errors occurClassNotFoundException
- If the class for an object being restored
cannot be found.public boolean equals(Object o)
equals
in class MTreeDirectoryEntry<D extends Distance<D>>
o
- the object to be tested