org.openmrs.logic.op

Class Exists

java.lang.Object

org.openmrs.logic.op.Exists

All Implemented Interfaces:

Operator, TransformOperator

public class Exists
extends java.lang.Object
implements TransformOperator

The Exists operator test whether a criteria will exist for person or not.

Example:
- logicService.parse("EncounterDataSource.ENCOUNTER_KEY").equals("ADULTRETURN").exists();
The above will give us a criteria to test whether ADULTRETURN encounter exists or not

Field Summary

Fields inherited from interface org.openmrs.logic.op.TransformOperator

AVERAGE, COUNT, DISTINCT, EXISTS, FIRST, LAST, NOT_EXISTS

Fields inherited from interface org.openmrs.logic.op.Operator

AFTER, AND, ASOF, BEFORE, CONTAINS, EQUALS, GT, GTE, IN, LT, LTE, NOT, OR, WITHIN

Constructor Summary

Constructors

Constructor and Description
Exists()

Method Summary

Modifier and Type	Method and Description
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Exists

public Exists()

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object