spatial
Class ExactMatchQuery

java.lang.Object
  |
  +--spatial.BasicSpatialQuery
        |
        +--spatial.ExactMatchQuery

All Implemented Interfaces:

SpatialQuery

public class ExactMatchQuery

extends BasicSpatialQuery

Class offering the operations required for an exact match query performed by a spatial search tree.

Field Summary

Fields inherited from class spatial.BasicSpatialQuery

tolerance

Constructor Summary

ExactMatchQuery()

Method Summary

boolean	conditionFulfilled(MBR rect, MBR entryMBR) Tests whether the query rectangle is contained by the MBR of a non-leaf entry.
boolean	conditionFulfilled(MBR rect, SpatialSearchTreeEntry entry) Tests whether the query rectangle and the MBR of an leaf entry are equal.
boolean	conditionFulfilled(MBR rect, SpatialSearchTreeObject obj) Tests whether the query rectangle and the MBR of an object are equal.

Methods inherited from class spatial.BasicSpatialQuery

areEqual, setTolerance

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExactMatchQuery

public ExactMatchQuery()

Method Detail

conditionFulfilled

public boolean conditionFulfilled(MBR rect,
                                  MBR entryMBR)

Tests whether the query rectangle is contained by the MBR of a non-leaf entry. The tolerance attribute is not considered.

Specified by:

conditionFulfilled in interface SpatialQuery

Overrides:

conditionFulfilled in class BasicSpatialQuery

Parameters:

rect - the query rectangle

entryMBR - the minimum bounding rectangle of non-leaf entry

Returns:

true if the condition is fulfilled

conditionFulfilled

public boolean conditionFulfilled(MBR rect,
                                  SpatialSearchTreeEntry entry)

Tests whether the query rectangle and the MBR of an leaf entry are equal. The tolerance attribute is not considered.

Specified by:

conditionFulfilled in interface SpatialQuery

Overrides:

conditionFulfilled in class BasicSpatialQuery

Parameters:

rect - the query rectangle

entry - the entry of a leaf entry

Returns:

true if the condition is fulfilled

conditionFulfilled

public boolean conditionFulfilled(MBR rect,
                                  SpatialSearchTreeObject obj)

Tests whether the query rectangle and the MBR of an object are equal. The tolerance attribute is not considered.

Specified by:

conditionFulfilled in interface SpatialQuery

Overrides:

conditionFulfilled in class BasicSpatialQuery

Parameters:

rect - the query rectangle

obj - the object

Returns:

true if the condition fulfilled