ConstantExpression (Camel :: Core Model 3.18.2 API)

java.lang.Object
- org.apache.camel.model.language.ExpressionDefinition
- - org.apache.camel.model.language.ConstantExpression

All Implemented Interfaces:

org.apache.camel.Expression, org.apache.camel.ExpressionFactory, HasExpressionType, org.apache.camel.Predicate, org.apache.camel.PredicateFactory, org.apache.camel.spi.ExpressionFactoryAware, org.apache.camel.spi.PredicateFactoryAware
```
@Metadata(firstVersion="1.5.0",
          label="language,core",
          title="Constant")
public class ConstantExpression
extends ExpressionDefinition
```
A fixed value set only once during the route startup.

Constructor Summary

Constructors
Constructor Description

ConstantExpression()

ConstantExpression(String expression)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`getLanguage()`
`Class<?>`	`getResultType()`
`String`	`getResultTypeName()`
`void`	`setResultType(Class<?> resultType)`	Sets the class of the constant type
`void`	`setResultTypeName(String resultTypeName)`	Sets the class name of the constant type

Methods inherited from class org.apache.camel.model.language.ExpressionDefinition
createExpression, createPredicate, evaluate, getExpression, getExpressionFactory, getExpressionType, getExpressionValue, getId, getLabel, getLabel, getPredicate, getPredicateFactory, getTrim, init, initPredicate, matches, setExpression, setExpressionType, setExpressionValue, setId, setTrim, toString

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

Constructor Detail

ConstantExpression
```
public ConstantExpression()
```

ConstantExpression

public ConstantExpression(String expression)

Method Detail

getLanguage
```
public String getLanguage()
```
Overrides:

getLanguage in class ExpressionDefinition

getResultType
```
public Class<?> getResultType()
```

setResultType

public void setResultType(Class<?> resultType)

Sets the class of the constant type

getResultTypeName
```
public String getResultTypeName()
```

setResultTypeName

public void setResultTypeName(String resultTypeName)

Sets the class name of the constant type