ExprConstraintDescr (Drools :: Compiler 7.74.1.Final API)

java.lang.Object
- org.drools.compiler.lang.descr.BaseDescr
- - org.drools.compiler.lang.descr.ExprConstraintDescr

All Implemented Interfaces:

Externalizable, Serializable, ExpressionDescr, org.drools.core.rule.Namespaceable
```
public class ExprConstraintDescr
extends BaseDescr
implements ExpressionDescr
```
This represents a constraint in a pattern defined by an arbitrary expression. The constraint can be any valid java/mvel expression.

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class ExprConstraintDescr.Type

Constructor Summary

Constructors
Constructor Description

ExprConstraintDescr()

ExprConstraintDescr(String expr)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`getExpression()`
`int`	`getPosition()`
`ExprConstraintDescr.Type`	`getType()`
`BaseDescr`	`negate()`
`void`	`setExpression(String expr)`
`void`	`setPosition(int position)`
`void`	`setType(ExprConstraintDescr.Type type)`
`String`	`toString()`

Methods inherited from class org.drools.compiler.lang.descr.BaseDescr
accept, copyLocation, getColumn, getEndCharacter, getEndColumn, getEndLine, getLine, getNamespace, getResource, getStartCharacter, getText, isNegated, 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

ExprConstraintDescr
```
public ExprConstraintDescr()
```

ExprConstraintDescr

public ExprConstraintDescr(String expr)

Method Detail

setExpression

public void setExpression(String expr)

getExpression
```
public String getExpression()
```
Specified by:

getExpression in interface ExpressionDescr

getType

public ExprConstraintDescr.Type getType()

Returns:: the type

setType

public void setType(ExprConstraintDescr.Type type)

Parameters:: type - the type to set

getPosition
```
public int getPosition()
```
Returns:

the position

setPosition
```
public void setPosition(int position)
```
Parameters:

position - the position to set

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

toString in class Object

negate
```
public BaseDescr negate()
```
Overrides:

negate in class BaseDescr