Package de.digitalcollections.model.filter

Class FilterCriterion<T>

java.lang.Object

de.digitalcollections.model.filter.FilterCriterion<T>

Type Parameters:

T - target type for deserializing operand value

public class FilterCriterion<T>
extends Object

Filter Criterion Container.A filter criterion is a composition of

• a field name being target of filter operation
• a filter operation (operator)
• one ore more filter values to be used for filtering operation (operand(s))

References:

See Also:

An example application using Spring boot MVC, Spring Data JPA with the ability to do filter, pagination and sorting.

Constructor Summary

Constructors

Constructor	Description
FilterCriterion(String fieldName, FilterOperation operation, Object value)	Constructor for single value Filter Criteria.
FilterCriterion(String fieldName, FilterOperation operation, Object value, Comparable<?> minValue, Comparable<?> maxValue, Collection<?> values)	Constructor for Filter Criteria.

Method Summary

Modifier and Type	Method	Description
String	getFieldName()
Comparable<?>	getMaxValue()
Comparable<?>	getMinValue()
FilterOperation	getOperation()
Object	getValue()
Collection<?>	getValues()
void	setFieldName(String fieldName)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

FilterCriterion

public FilterCriterion(String fieldName,
                       FilterOperation operation,
                       Object value,
                       Comparable<?> minValue,
                       Comparable<?> maxValue,
                       Collection<?> values)

Constructor for Filter Criteria.

Parameters:

fieldName - target field the criteria should be used for

operation - operation of criteria

value - operand of criteria

minValue - minimum value of between operation

maxValue - maximum value of between operation

values - operand(s) of criteria

FilterCriterion

public FilterCriterion(String fieldName,
                       FilterOperation operation,
                       Object value)

Constructor for single value Filter Criteria.

Parameters:

fieldName - target field the criteria should be used for

operation - operation of criteria

value - operand of criteria

Method Detail

getFieldName

public String getFieldName()

Returns:

field name being target of filter operation

getMaxValue

public Comparable<?> getMaxValue()

Returns:

maximum value - applicable only for FilterOperation.BETWEEN

getMinValue

public Comparable<?> getMinValue()

Returns:

minimum value - applicable only for FilterOperation.BETWEEN

getOperation

public FilterOperation getOperation()

Returns:

the filter operation. available operations see FilterOperation

getValue

public Object getValue()

Returns:

value of a single value operation

getValues

public Collection<?> getValues()

Returns:

values of a multi value operation of field type T

setFieldName

public void setFieldName(String fieldName)

toString

public String toString()

Overrides:

toString in class Object