Java Doc for MinVisitor.java in  » GIS » GeoTools-2.4.1 » org » geotools » feature » visitor » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.feature.visitor   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.geotools.feature.visitor.MinVisitor MinVisitor public class MinVisitor implements FeatureCalc(Code) Calculates the minimum value of an attribute. author:    Cory Horner, Refractions since:    2.2.M2 Inner Class :public static class MinResult extends AbstractCalcResult Field Summary  Comparable curvalue       Comparable minvalue       boolean visited      Constructor Summary public   MinVisitor(String attributeTypeName)      public   MinVisitor(int attributeTypeIndex, FeatureType type)      public   MinVisitor(String attrName, FeatureType type)      public   MinVisitor(Expression expr)      Method Summary public  Expression getExpression()      public  Comparable getMin()      Get the min value. public  CalcResult getResult()      public  void reset()      public  void setValue(Object result)      Overwrites the result stored by the visitor. public  void visit(Feature feature)      Visitor function, which looks at each feature and finds the minimum. Field Detail curvalue Comparable curvalue(Code) minvalue Comparable minvalue(Code) visited boolean visited(Code) Constructor Detail MinVisitor public MinVisitor(String attributeTypeName)(Code) MinVisitor public MinVisitor(int attributeTypeIndex, FeatureType type) throws IllegalFilterException(Code) MinVisitor public MinVisitor(String attrName, FeatureType type) throws IllegalFilterException(Code) MinVisitor public MinVisitor(Expression expr) throws IllegalFilterException(Code) Method Detail getExpression public Expression getExpression()(Code) getMin public Comparable getMin()(Code) Get the min value. Minimum value throws:   IllegalStateException - DOCUMENT ME! getResult public CalcResult getResult()(Code) reset public void reset()(Code) setValue public void setValue(Object result)(Code) Overwrites the result stored by the visitor. This should only be used by optimizations which will tell the visitor the answer rather than visiting all features. For 'min', the value stored is of type 'Comparable'. Parameters:   result - visit public void visit(Feature feature)(Code) Visitor function, which looks at each feature and finds the minimum. Parameters:   feature - the feature to be visited Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)