NumericDefaultExpression

com.google.appengine.api.search.dev

Class NumericDefaultExpression

• java.lang.Object
• • com.google.appengine.api.search.dev.Expression
  • • com.google.appengine.api.search.dev.NumericDefaultExpression

• ---

  
  

  public class NumericDefaultExpression
  extends Expression

  Numeric expression which evaluates to default value if the child expression cannot be evaluated.

• • Nested Class Summary

    • Nested classes/interfaces inherited from class com.google.appengine.api.search.dev.Expression

      Expression.Sorter

  • Constructor Summary

    Constructors 

    Constructor and Description
    NumericDefaultExpression(com.google.appengine.api.search.dev.NumericExpression expression, java.lang.Double defaultValue)

  • Method Summary

    All Methods Instance Methods Concrete Methods 

    Modifier and Type	Method and Description
    FieldValue	eval(Document doc) Evaluate the expression to field value proto for the specified document.
    double	evalDouble(Document doc) Evaluate double value from specified document.
    Expression.Sorter	getNumericSorter(int sign, double defaultValueNumeric)
    java.util.List<Expression.Sorter>	getSorters(int sign, double defaultValueNumeric, java.lang.String defaultValueText) Get list of sort classes for the expression.

    • Methods inherited from class com.google.appengine.api.search.dev.Expression

      makeValue

    • Methods inherited from class java.lang.Object

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

• • Constructor Detail

    • NumericDefaultExpression

      public NumericDefaultExpression(com.google.appengine.api.search.dev.NumericExpression expression,
                                      java.lang.Double defaultValue)

  • Method Detail

    • evalDouble

      public double evalDouble(Document doc)
                        throws EvaluationException

      Evaluate double value from specified document.

      Throws:

      EvaluationException

    • eval

      public FieldValue eval(Document doc)
                      throws EvaluationException

      Description copied from class: Expression
      Evaluate the expression to field value proto for the specified document.

      Specified by:

      eval in class Expression

      Throws:

      EvaluationException

    • getSorters

      public java.util.List<Expression.Sorter> getSorters(int sign,
                                                          double defaultValueNumeric,
                                                          java.lang.String defaultValueText)

      Description copied from class: Expression
      Get list of sort classes for the expression. Usually it contains just one element, but for field expressions it can potentially return 2 sorters when both numeric and text fields exist with a field name.

      Specified by:

      getSorters in class Expression

    • getNumericSorter

      public Expression.Sorter getNumericSorter(int sign,
                                                double defaultValueNumeric)