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java.lang.Object de.lmu.ifi.dbs.elki.index.tree.AbstractDirectoryEntry de.lmu.ifi.dbs.elki.index.tree.spatial.SpatialDirectoryEntry
public class SpatialDirectoryEntry
Represents an entry in a directory node of a spatial index. A SpatialDirectoryEntry consists of an id (representing the unique id of the underlying spatial node) and the minimum bounding rectangle of the underlying spatial node.
Field Summary | |
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private HyperBoundingBox |
mbr
The minimum bounding rectangle of the underlying spatial node. |
private static long |
serialVersionUID
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Constructor Summary | |
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SpatialDirectoryEntry()
Empty constructor for serialization purposes. |
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SpatialDirectoryEntry(int id,
HyperBoundingBox mbr)
Constructs a new SpatialDirectoryEntry object with the given parameters. |
Method Summary | |
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int |
getDimensionality()
Returns the dimensionality of the object. |
double |
getMax(int dimension)
Returns the maximum coordinate at the specified dimension. |
double |
getMin(int dimension)
Returns the minimum coordinate at the specified dimension. |
void |
readExternal(ObjectInput in)
Calls the super method and reads the MBR object of this entry from the specified input stream. |
void |
setMBR(HyperBoundingBox mbr)
Sets the MBR of this entry. |
void |
writeExternal(ObjectOutput out)
Calls the super method and writes the MBR object of this entry to the specified output stream. |
Methods inherited from class de.lmu.ifi.dbs.elki.index.tree.AbstractDirectoryEntry |
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equals, getEntryID, getPageID, hashCode, isLeafEntry, toString |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Methods inherited from interface de.lmu.ifi.dbs.elki.index.tree.Entry |
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isLeafEntry |
Field Detail |
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private static final long serialVersionUID
private HyperBoundingBox mbr
Constructor Detail |
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public SpatialDirectoryEntry()
public SpatialDirectoryEntry(int id, HyperBoundingBox mbr)
id
- the unique id of the underlying spatial nodembr
- the minimum bounding rectangle of the underlying spatial nodeMethod Detail |
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public int getDimensionality()
SpatialComparable
getDimensionality
in interface SpatialComparable
public double getMin(int dimension)
SpatialComparable
getMin
in interface SpatialComparable
dimension
- the dimension for which the coordinate should be returned,
where 1 ≤ dimension ≤ getDimensionality()
public double getMax(int dimension)
SpatialComparable
getMax
in interface SpatialComparable
dimension
- the dimension for which the coordinate should be returned,
where 1 ≤ dimension ≤ getDimensionality()
public void setMBR(HyperBoundingBox mbr)
mbr
- the MBR to be setpublic void writeExternal(ObjectOutput out) throws IOException
writeExternal
in interface Externalizable
writeExternal
in class AbstractDirectoryEntry
out
- the stream to write the object to
IOException
- Includes any I/O exceptions that may occurpublic void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
readExternal
in interface Externalizable
readExternal
in class AbstractDirectoryEntry
in
- the stream to read data from in order to restore the object
IOException
- if I/O errors occur
ClassNotFoundException
- If the class for an object being restored
cannot be found.
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