ExistsDescr (Drools :: DRL AST 8.25.0.Beta API)

java.lang.Object
- org.drools.drl.ast.descr.BaseDescr
- - org.drools.drl.ast.descr.AnnotatedBaseDescr
  - - org.drools.drl.ast.descr.ExistsDescr

All Implemented Interfaces:

Externalizable, Serializable, ConditionalElementDescr, Namespaceable
```
public class ExistsDescr
extends AnnotatedBaseDescr
implements ConditionalElementDescr
```
See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

ExistsDescr()

ExistsDescr(BaseDescr baseDescr)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`accept(DescrVisitor visitor)`
`void`	`addDescr(BaseDescr baseDescr)`
`void`	`addOrMerge(BaseDescr baseDescr)`
`List`	`getDescrs()`
`void`	`insertBeforeLast(Class clazz, BaseDescr baseDescr)`
`boolean`	`removeDescr(BaseDescr baseDescr)`

Methods inherited from class org.drools.drl.ast.descr.AnnotatedBaseDescr
addAnnotation, addAnnotation, addAnnotation, addQualifiedAnnotation, getAnnotation, getAnnotation, getAnnotationNames, getAnnotations, hasAnnotation, hasAnnotation, indexByFQN, readExternal, writeExternal

Methods inherited from class org.drools.drl.ast.descr.BaseDescr
copyLocation, getColumn, getEndCharacter, getEndColumn, getEndLine, getLine, getNamespace, getResource, getStartCharacter, getText, isNegated, negate, positionAsString, replaceVariable, setEndCharacter, setEndLocation, setLocation, setNamespace, setResource, setStartCharacter, setText

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

- Constructor Detail
  - ExistsDescr
```
public ExistsDescr()
```
  - ExistsDescr
```
public ExistsDescr(BaseDescr baseDescr)
```
- Method Detail
  - addDescr
```
public void addDescr(BaseDescr baseDescr)
```
    Specified by:
    
    addDescr in interface ConditionalElementDescr
  - insertBeforeLast
```
public void insertBeforeLast(Class clazz,
                             BaseDescr baseDescr)
```
    Specified by:
    
    insertBeforeLast in interface ConditionalElementDescr
  - getDescrs
```
public List getDescrs()
```
    Specified by:
    
    getDescrs in interface ConditionalElementDescr
  - removeDescr
```
public boolean removeDescr(BaseDescr baseDescr)
```
    Specified by:
    
    removeDescr in interface ConditionalElementDescr
  - addOrMerge
```
public void addOrMerge(BaseDescr baseDescr)
```
    Specified by:
    
    addOrMerge in interface ConditionalElementDescr
  - accept
```
public void accept(DescrVisitor visitor)
```
    Overrides:
    
    accept in class BaseDescr