Package org.apache.camel.model.language

Class ExpressionDefinition

java.lang.Object

org.apache.camel.model.language.ExpressionDefinition

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

Direct Known Subclasses:

ConstantExpression, CSimpleExpression, DatasonnetExpression, ExchangePropertyExpression, GroovyExpression, HeaderExpression, Hl7TerserExpression, JoorExpression, JqExpression, JsonPathExpression, LanguageExpression, MethodCallExpression, MvelExpression, NamespaceAwareExpression, OgnlExpression, RefExpression, SimpleExpression, SpELExpression, TokenizerExpression

@Metadata(label="language",
          title="Expression")
public class ExpressionDefinition
extends Object
implements org.apache.camel.Expression, org.apache.camel.Predicate, org.apache.camel.ExpressionFactory, org.apache.camel.spi.ExpressionFactoryAware, org.apache.camel.PredicateFactory, org.apache.camel.spi.PredicateFactoryAware, HasExpressionType

A useful base class for an expression

Constructor Summary

Constructors

Constructor	Description
ExpressionDefinition()
ExpressionDefinition(String expression)
ExpressionDefinition(org.apache.camel.Expression expression)
ExpressionDefinition(org.apache.camel.Predicate predicate)

Method Summary

Modifier and Type	Method	Description
org.apache.camel.Expression	createExpression(org.apache.camel.CamelContext camelContext)
org.apache.camel.Predicate	createPredicate(org.apache.camel.CamelContext camelContext)
<T> T	evaluate(org.apache.camel.Exchange exchange, Class<T> type)
String	getExpression()
org.apache.camel.ExpressionFactory	getExpressionFactory()
ExpressionDefinition	getExpressionType()	Gets the expression definition
org.apache.camel.Expression	getExpressionValue()
String	getId()
String	getLabel()	Returns some descriptive text to describe this node
static String	getLabel(List<ExpressionDefinition> expressions)
String	getLanguage()
org.apache.camel.Predicate	getPredicate()
org.apache.camel.PredicateFactory	getPredicateFactory()
String	getTrim()
void	init(org.apache.camel.CamelContext context)
void	initPredicate(org.apache.camel.CamelContext context)
boolean	matches(org.apache.camel.Exchange exchange)
void	setExpression(String expression)	The expression value in your chosen language syntax
void	setExpressionType(ExpressionDefinition expressionType)	Allows derived classes and DSLs to set a lazily created expressionType instance such as if using the ExpressionClause
protected void	setExpressionValue(org.apache.camel.Expression expressionValue)
void	setId(String value)	Sets the id of this node
void	setTrim(String trim)	Whether to trim the value to remove leading and trailing whitespaces and line breaks
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ExpressionDefinition

public ExpressionDefinition()

ExpressionDefinition

public ExpressionDefinition(String expression)

ExpressionDefinition

public ExpressionDefinition(org.apache.camel.Predicate predicate)

ExpressionDefinition

public ExpressionDefinition(org.apache.camel.Expression expression)

Method Detail

getLabel

public static String getLabel(List<ExpressionDefinition> expressions)

toString

public String toString()

Overrides:

toString in class Object

getLanguage

public String getLanguage()

getExpression

public String getExpression()

setExpression

public void setExpression(String expression)

The expression value in your chosen language syntax

getId

public String getId()

setId

public void setId(String value)

Sets the id of this node

getPredicate

public org.apache.camel.Predicate getPredicate()

getExpressionValue

public org.apache.camel.Expression getExpressionValue()

setExpressionValue

protected void setExpressionValue(org.apache.camel.Expression expressionValue)

getExpressionType

public ExpressionDefinition getExpressionType()

Description copied from interface: HasExpressionType

Gets the expression definition

Specified by:

getExpressionType in interface HasExpressionType

setExpressionType

public void setExpressionType(ExpressionDefinition expressionType)

Allows derived classes and DSLs to set a lazily created expressionType instance such as if using the ExpressionClause

Specified by:

setExpressionType in interface HasExpressionType

getTrim

public String getTrim()

setTrim

public void setTrim(String trim)

Whether to trim the value to remove leading and trailing whitespaces and line breaks

getLabel

public String getLabel()

Returns some descriptive text to describe this node

getExpressionFactory

public org.apache.camel.ExpressionFactory getExpressionFactory()

Specified by:

getExpressionFactory in interface org.apache.camel.spi.ExpressionFactoryAware

getPredicateFactory

public org.apache.camel.PredicateFactory getPredicateFactory()

Specified by:

getPredicateFactory in interface org.apache.camel.spi.PredicateFactoryAware

createExpression

public org.apache.camel.Expression createExpression(org.apache.camel.CamelContext camelContext)

Specified by:

createExpression in interface org.apache.camel.ExpressionFactory

createPredicate

public org.apache.camel.Predicate createPredicate(org.apache.camel.CamelContext camelContext)

Specified by:

createPredicate in interface org.apache.camel.PredicateFactory

evaluate

public <T> T evaluate(org.apache.camel.Exchange exchange,
                      Class<T> type)

Specified by:

evaluate in interface org.apache.camel.Expression

matches

public boolean matches(org.apache.camel.Exchange exchange)

Specified by:

matches in interface org.apache.camel.Predicate

init

public void init(org.apache.camel.CamelContext context)

Specified by:

init in interface org.apache.camel.Expression

Specified by:

init in interface org.apache.camel.Predicate

initPredicate

public void initPredicate(org.apache.camel.CamelContext context)

Specified by:

initPredicate in interface org.apache.camel.Predicate