Operator (OpenMRS 1.8.5-SNAPSHOT API)

All Known Subinterfaces:

ComparisonOperator, LogicalOperator, TransformOperator

All Known Implementing Classes:

After, And, AsOf, Average, Before, Contains, Count, Distinct, Equals, Exists, First, GreaterThan, GreaterThanEquals, In, Last, LessThan, LessThanEquals, Not, NotExists, Or, Within
```
public interface Operator
```
An operator used within a logical expression.

Field Summary

Fields
Modifier and Type	Field and Description
`static Operator`	`AFTER`
`static Operator`	`AND`
`static Operator`	`ASOF`
`static Operator`	`AVERAGE`
`static Operator`	`BEFORE`
`static Operator`	`CONTAINS`
`static Operator`	`COUNT`
`static Operator`	`DISTINCT`
`static Operator`	`EQUALS`
`static Operator`	`EXISTS`
`static Operator`	`FIRST`
`static Operator`	`GT`
`static Operator`	`GTE`
`static Operator`	`IN`
`static Operator`	`LAST`
`static Operator`	`LT`
`static Operator`	`LTE`
`static Operator`	`NOT`
`static Operator`	`NOT_EXISTS`
`static Operator`	`OR`
`static Operator`	`WITHIN`

Field Detail

CONTAINS
```
static final Operator CONTAINS
```

EQUALS
```
static final Operator EQUALS
```

WITHIN
```
static final Operator WITHIN
```

GT
```
static final Operator GT
```

GTE
```
static final Operator GTE
```

LT
```
static final Operator LT
```

LTE
```
static final Operator LTE
```

BEFORE
```
static final Operator BEFORE
```

AFTER
```
static final Operator AFTER
```

IN
```
static final Operator IN
```

ASOF
```
static final Operator ASOF
```

AND
```
static final Operator AND
```

OR
```
static final Operator OR
```

NOT
```
static final Operator NOT
```

LAST
```
static final Operator LAST
```

FIRST
```
static final Operator FIRST
```

DISTINCT
```
static final Operator DISTINCT
```

EXISTS
```
static final Operator EXISTS
```

NOT_EXISTS
```
static final Operator NOT_EXISTS
```

COUNT
```
static final Operator COUNT
```

AVERAGE
```
static final Operator AVERAGE
```

Interface Operator

Field Summary

Field Detail

CONTAINS

EQUALS

WITHIN

GT

GTE

LT

LTE

BEFORE

AFTER

IN

ASOF

AND

OR

NOT

LAST

FIRST

DISTINCT

EXISTS

NOT_EXISTS

COUNT

AVERAGE