Module datarush.library
Package com.pervasive.datarush.types

Class FieldDomain

java.lang.Object
com.pervasive.datarush.types.FieldDomain
All Implemented Interfaces:
Serializable
public final class FieldDomain extends Object implements Serializable
Contains meta-information about the allowed values, lower, and upper bounds for a given field.
See Also:

  • Field Details

    • UNSPECIFIED

      public static final FieldDomain UNSPECIFIED
      The unspecified field domain

  • Constructor Details

    • FieldDomain

      public FieldDomain(ScalarValued lowerBound, ScalarValued upperBound, Set<? extends ScalarValued> values)
      Creates a new field domain
      Parameters:
      lowerBound - the lower bound or null if unknown
      upperBound - the upper bound of null if unknown
      values - the possible values. Note that either null or the empty set is interpreted is unknown. The value of getValues() will always be normalized to the empty set in the case of unknown.

  • Method Details

    • getLowerBound

      public ScalarValued getLowerBound()
      Returns the lower bound of the field or null if unknown
      Returns:
      the lower bound of the field

    • getUpperBound

      public ScalarValued getUpperBound()
      Returns the upper bound of the field or null if unknown
      Returns:
      the upper bound of the field

    • getValues

      public Set<ScalarValued> getValues()
      Returns the allowed values of the field or empty if unknown.
      Returns:
      the allowed values of the field

    • checkType

      public void checkType(String field, ScalarTokenType type)
      Checks that the type of the domain matches the type of the field
      Parameters:
      field - the name of the field, used for error handling
      type - the type of the field
      Throws:
      IllegalArgumentException - if domain is invalid

    • isSpecified

      public boolean isSpecified()
      Returns true if lower bound, upper bound, or values are specified
      Returns:
      true if lower bound, upper bound, or values are specified

    • hasDomainValues

      public boolean hasDomainValues()
      Returns true if values are specified
      Returns:
      true if values are specified

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • equals

      public boolean equals(Object obj)
      Overrides:
      equals in class Object

    • toString

      public String toString()
      Overrides:
      toString in class Object