org.mongodb.morphia.query.validation

Class ValueValidator

java.lang.Object

org.mongodb.morphia.query.validation.ValueValidator

All Implemented Interfaces:

Validator

Direct Known Subclasses:

KeyValueTypeValidator, ListValueValidator, PatternValueValidator

public abstract class ValueValidator
extends Object
implements Validator

Provides validation based on the Value in the query

Constructor Summary

Constructors

Constructor and Description
ValueValidator()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	apply(Class<?> type, Object value, List<ValidationFailure> validationFailures) Applied validation for the given field.
protected abstract Class<?>	getRequiredValueType() Used by apply to figure out whether to apply the validation or simply return.
protected abstract void	validate(Class<?> type, Object value, List<ValidationFailure> validationFailures)

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueValidator

public ValueValidator()

Method Detail

apply

public boolean apply(Class<?> type,
            Object value,
            List<ValidationFailure> validationFailures)

Applied validation for the given field. If the value does not match the correct type, the validation is not applied and this method returns false. If the value is to be validated, then the validate method is called to see if the value and type are compatible. Errors are appended to the validationFailures list.

Parameters:

type - the Class of the field being queried

value - the non-null value being used for a query

validationFailures - the list to add any failures to. If validation passes or appliesTo returned false, this list will not change.

Returns:

true if validation was applied, false if this validation doesn't apply to this field type.

getRequiredValueType

protected abstract Class<?> getRequiredValueType()

Used by apply to figure out whether to apply the validation or simply return.

Returns:

the class the value should be in order to go ahead and perform validation

validate

protected abstract void validate(Class<?> type,
            Object value,
            List<ValidationFailure> validationFailures)