com.im.df.api.dml
Class Operators.SimpleTextOperator

java.lang.Object
  com.im.df.api.dml.DFOperator
      com.im.df.api.dml.Operators.SimpleFieldValuesOperator
          com.im.df.api.dml.Operators.SimpleTextOperator

Enclosing class:

Operators

public static class Operators.SimpleTextOperator
extends Operators.SimpleFieldValuesOperator

Constructor Summary

Operators.SimpleTextOperator(String displayName, String displayNameInExpression)

Method Summary

protected boolean	isEmptyStringAllowed()
void	validate(DFDataTree dataTree, List<DFTerm> operands, Map<String,Object> options, TermErrors errors) Validate the operands in context of this operator.

Methods inherited from class com.im.df.api.dml.Operators.SimpleFieldValuesOperator

getReturnType, getValidFormatMsg, isFieldAcceptableAsOperand, parseOperands

Methods inherited from class com.im.df.api.dml.DFOperator

correctNumberOfOperands, getDisplayName, getDisplayNameInExpression, getMaxOperands, getMinOperands, getToStringPart, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Operators.SimpleTextOperator

public Operators.SimpleTextOperator(String displayName,
                                    String displayNameInExpression)

Method Detail

validate

public void validate(DFDataTree dataTree,
                     List<DFTerm> operands,
                     Map<String,Object> options,
                     TermErrors errors)

Description copied from class: DFOperator

Validate the operands in context of this operator. It's up to operator to decide if it accepts the given operands or not. This method is called from DFTerm.validate(com.im.df.api.ddl.DFDataTree).

Overrides:

validate in class Operators.SimpleFieldValuesOperator

Parameters:

dataTree - The datatree where this operator will be used

operands - The list of operands

options - Options of this query term (DFTermExpression.getOptions()

errors - The errors object which contains the result of the validation

isEmptyStringAllowed

protected boolean isEmptyStringAllowed()

Overrides:

isEmptyStringAllowed in class Operators.SimpleFieldValuesOperator