com.mmnaseri.utils.spring.data.domain

Interface Operator

All Known Subinterfaces:

MatchedOperator

All Known Implementing Classes:

ImmutableMatchedOperator, ImmutableOperator

public interface Operator

This interface represents an operator used for matching entities to a preset criteria.

Since:

1.0 (9/29/15)

Author:

Milad Naseri (mmnaseri@programmer.net)

Method Summary

Modifier and Type	Method and Description
Matcher	getMatcher()
String	getName()
int	getOperands()
String[]	getTokens()

Method Detail

getName

String getName()

Returns:

the name of the operator. Used for error reporting and such.

getOperands

int getOperands()

Returns:

the number of operands this operator needs (besides the property on the entity). So, for instance, an equality check would require 1 operand.

getMatcher

Matcher getMatcher()

Returns:

the matcher taking care of checking whether or not the operator applies to the current entity

getTokens

String[] getTokens()

Returns:

the suffix tokens used to indicate this operator in the name of a query method