Predicate (IBM FHIR Server)

java.lang.Object
- com.ibm.fhir.database.utils.query.expression.Predicate

Direct Known Subclasses:

BinaryPredicate, PredicateExpression, UnaryPredicate
```
public class Predicate
extends Object
```
represents a WHERE expression predicate. Note that we're trying to support the textual representation of the WHERE clause predicate (to support programmatic construction) - this is not intended to be an evaluation engine.

Constructor Summary

Constructors
Constructor Description

Predicate()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Predicate`	`and(Predicate right)`
`Predicate`	`and(String boolExpr)`
`Predicate`	`not()`
`static Predicate`	`not(Predicate p)`
`static Predicate`	`not(String boolExpr)`
`Predicate`	`or(Predicate right)`
`Predicate`	`or(String boolExpr)`

Methods inherited from class java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- Predicate
```
public Predicate()
```

Method Detail

and

public Predicate and(String boolExpr)

and

public Predicate and(Predicate right)

or

public Predicate or(String boolExpr)

or

public Predicate or(Predicate right)

not
```
public Predicate not()
```

not

public static Predicate not(Predicate p)

not

public static Predicate not(String boolExpr)