Package com.isomorphic.criteria

Class OperatorBase

java.lang.Object
com.isomorphic.criteria.OperatorBase
All Implemented Interfaces:
CanParseCriterion, Operator
Direct Known Subclasses:
LogicalOperator, OtherFieldOperator, RangeOperator, SimpleOperator
public abstract class OperatorBase extends Object implements CanParseCriterion, Operator
Base class for operators that provide check for base operator parameters during parsing.

  • Method Details

    • isRequiresFieldName

      public abstract boolean isRequiresFieldName()
      Does operator need fieldName parameter.

    • isRequiresValue

      public abstract boolean isRequiresValue()
      Does operator need value parameter.

    • isRequiresCriteria

      public abstract boolean isRequiresCriteria()
      Does operator need criteria list parameter.

    • parseCriterion

      public abstract Criterion parseCriterion(String fieldName, Object value, List<Criterion> criteria, Map fieldQuery, Map valueQuery)
      Logic for parsing criterion. Should be implemented in operator classes
      Parameters:
      fieldName - - value of fieldName parameter.
      value - - value of value parameter.
      criteria - - list of criteria
      fieldQuery - - fieldQuery definition (null if not applicable)
      valueQuery - - valueQuery definition (null if not applicable)
      Returns:
      parsed criterion.

    • convertToMap

      public abstract Map<String,Object> convertToMap(Criterion criterion)
      Convert criterion to map representation.
      Parameters:
      criterion - - criterion to convert.
      Returns:
      map representation of criterion.