Package org.pipservices3.commons.validate

Class ValueComparisonRule

java.lang.Object

org.pipservices3.commons.validate.ValueComparisonRule

All Implemented Interfaces:

IValidationRule

public class ValueComparisonRule
extends Object
implements IValidationRule

Validation rule that compares value to a constant.

### Example ###

 
 Schema schema = new Schema()
      .withRule(new ValueComparisonRule("EQ", 1));

 schema.validate(1);          // Result: no errors
 schema.validate(2);          // Result: 2 is not equal to 1
 
 

See Also:

• IValidationRule

Constructor Summary

Constructors

Constructor	Description
ValueComparisonRule(String operation, Object value)	Creates a new validation rule and sets its values.

Method Summary

Modifier and Type	Method	Description
void	validate(String path, Schema schema, Object value, List<ValidationResult> results)	Validates a given value against this rule.

Methods inherited from class java.lang.Object

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

Constructor Details

ValueComparisonRule

public ValueComparisonRule(String operation,
 Object value)

Creates a new validation rule and sets its values.

Parameters:

operation - a comparison operation.

value - a constant value to compare to

Method Details

validate

public void validate(String path,
 Schema schema,
 Object value,
 List<ValidationResult> results)

Validates a given value against this rule.

Specified by:

validate in interface IValidationRule

Parameters:

path - a dot notation path to the value.

schema - a schema this rule is called from

value - a value to be validated.

results - a list with validation results to add new results.