FromDescr (Drools :: Compiler 7.74.0.Final API)

java.lang.Object
- org.drools.compiler.lang.descr.BaseDescr
- - org.drools.compiler.lang.descr.PatternSourceDescr
  - - org.drools.compiler.lang.descr.FromDescr

All Implemented Interfaces:

Externalizable, Serializable, ConditionalElementDescr, org.drools.core.rule.Namespaceable
```
public class FromDescr
extends PatternSourceDescr
implements ConditionalElementDescr
```
See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

FromDescr()

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)`
`DeclarativeInvokerDescr`	`getDataSource()`
`List<BaseDescr>`	`getDescrs()`
`String`	`getExpression()`
`String`	`getText()`
`void`	`insertBeforeLast(Class<?> clazz, BaseDescr baseDescr)`
`boolean`	`removeDescr(BaseDescr baseDescr)`
`void`	`setDataSource(DeclarativeInvokerDescr dataSource)`
`String`	`toString()`

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

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

Constructor Detail
- FromDescr
```
public FromDescr()
```

Method Detail

getDataSource

public DeclarativeInvokerDescr getDataSource()

setDataSource

public void setDataSource(DeclarativeInvokerDescr dataSource)

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<BaseDescr> getDescrs()
```
Specified by:

getDescrs in interface ConditionalElementDescr

addOrMerge
```
public void addOrMerge(BaseDescr baseDescr)
```
Specified by:

addOrMerge in interface ConditionalElementDescr

removeDescr
```
public boolean removeDescr(BaseDescr baseDescr)
```
Specified by:

removeDescr in interface ConditionalElementDescr

toString
```
public String toString()
```
Overrides:

toString in class Object

getText
```
public String getText()
```
Overrides:

getText in class BaseDescr

getExpression
```
public String getExpression()
```

accept

public void accept(DescrVisitor visitor)

Overrides:: accept in class BaseDescr