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java.lang.Object | +--org.opencyc.constraintsolver.VariablesByAscendingDomainSizeComparator
Implements a Comparator to sort variables for the checkForwardNonEvaluatableRule method of the ForwardCheckingSearcher class.
Copyright 2001 Cycorp, Inc., license is open source GNU LGPL.
THIS SOFTWARE AND KNOWLEDGE BASE CONTENT ARE PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENCYC ORGANIZATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE AND KNOWLEDGE BASE CONTENT, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Field Summary | |
protected ValueDomains |
valueDomains
Reference to the ValueDomains object for the parent ConstraintProblem object. |
Constructor Summary | |
VariablesByAscendingDomainSizeComparator(ValueDomains valueDomains)
Constructs a new VariablesByAscendingDomainSizeComparator object given a constraint problem. |
Method Summary | |
int |
compare(java.lang.Object variable1,
java.lang.Object variable2)
Compares two variables by ascending size of their remaining domains. |
boolean |
equals(java.lang.Object object)
Returns true if some other object is equal to this Comparator |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected ValueDomains valueDomains
Constructor Detail |
public VariablesByAscendingDomainSizeComparator(ValueDomains valueDomains)
Method Detail |
public int compare(java.lang.Object variable1, java.lang.Object variable2)
compare
in interface java.util.Comparator
variable1
- an variable for comparisonvariable2
- variable for comparison.ClassCastException
- - if the arguments' types prevent them from
being compared by this Comparatorpublic boolean equals(java.lang.Object object)
equals
in interface java.util.Comparator
equals
in class java.lang.Object
object
- the reference object with which to compare.
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