Class DynamicExpression

java.lang.Object

org.springframework.integration.expression.DynamicExpression

All Implemented Interfaces:

Expression

public class DynamicExpression
extends Object
implements Expression

An implementation of Expression that delegates to an ExpressionSource for resolving the actual Expression instance per-invocation at runtime.

Since:

2.0

Author:

Mark Fisher, Artem Bilan

Constructor Summary

Constructors

Constructor	Description
DynamicExpression(String key, ExpressionSource expressionSource)

Method Summary

Modifier and Type	Method	Description
String	getExpressionString()
@Nullable Object	getValue()
<T> @Nullable T	getValue(@Nullable Class<T> desiredResultType)
@Nullable Object	getValue(@Nullable Object rootObject)
<T> @Nullable T	getValue(@Nullable Object rootObject, @Nullable Class<T> desiredResultType)
@Nullable Object	getValue(EvaluationContext context)
<T> @Nullable T	getValue(EvaluationContext context, @Nullable Class<T> desiredResultType)
@Nullable Object	getValue(EvaluationContext context, @Nullable Object rootObject)
<T> @Nullable T	getValue(EvaluationContext context, @Nullable Object rootObject, @Nullable Class<T> desiredResultType)
@Nullable Class<?>	getValueType()
@Nullable Class<?>	getValueType(@Nullable Object rootObject)
@Nullable Class<?>	getValueType(EvaluationContext context)
@Nullable Class<?>	getValueType(EvaluationContext context, @Nullable Object rootObject)
@Nullable TypeDescriptor	getValueTypeDescriptor()
@Nullable TypeDescriptor	getValueTypeDescriptor(@Nullable Object rootObject)
@Nullable TypeDescriptor	getValueTypeDescriptor(EvaluationContext context)
@Nullable TypeDescriptor	getValueTypeDescriptor(EvaluationContext context, @Nullable Object rootObject)
boolean	isWritable(@Nullable Object rootObject)
boolean	isWritable(EvaluationContext context)
boolean	isWritable(EvaluationContext context, @Nullable Object rootObject)
void	setValue(@Nullable Object rootObject, @Nullable Object value)
void	setValue(EvaluationContext context, @Nullable Object value)
void	setValue(EvaluationContext context, @Nullable Object rootObject, @Nullable Object value)

Methods inherited from class java.lang.Object

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

Constructor Details

DynamicExpression

public DynamicExpression(String key,
 ExpressionSource expressionSource)

Method Details

getValue

public @Nullable Object getValue()
                          throws EvaluationException

Specified by:

getValue in interface Expression

Throws:

EvaluationException

getValue

public @Nullable Object getValue(@Nullable Object rootObject)
                          throws EvaluationException

Specified by:

getValue in interface Expression

Throws:

EvaluationException

getValue

public <T> @Nullable T getValue(@Nullable Class<T> desiredResultType)
                         throws EvaluationException

Specified by:

getValue in interface Expression

Throws:

EvaluationException

getValue

public <T> @Nullable T getValue(@Nullable Object rootObject,
 @Nullable Class<T> desiredResultType)
                         throws EvaluationException

Specified by:

getValue in interface Expression

Throws:

EvaluationException

getValue

public @Nullable Object getValue(EvaluationContext context)
                          throws EvaluationException

Specified by:

getValue in interface Expression

Throws:

EvaluationException

getValue

public @Nullable Object getValue(EvaluationContext context,
 @Nullable Object rootObject)
                          throws EvaluationException

Specified by:

getValue in interface Expression

Throws:

EvaluationException

getValue

public <T> @Nullable T getValue(EvaluationContext context,
 @Nullable Class<T> desiredResultType)
                         throws EvaluationException

Specified by:

getValue in interface Expression

Throws:

EvaluationException

getValue

public <T> @Nullable T getValue(EvaluationContext context,
 @Nullable Object rootObject,
 @Nullable Class<T> desiredResultType)
                         throws EvaluationException

Specified by:

getValue in interface Expression

Throws:

EvaluationException

getValueType

public @Nullable Class<?> getValueType()
                                throws EvaluationException

Specified by:

getValueType in interface Expression

Throws:

EvaluationException

getValueType

public @Nullable Class<?> getValueType(@Nullable Object rootObject)
                                throws EvaluationException

Specified by:

getValueType in interface Expression

Throws:

EvaluationException

getValueType

public @Nullable Class<?> getValueType(EvaluationContext context)
                                throws EvaluationException

Specified by:

getValueType in interface Expression

Throws:

EvaluationException

getValueType

public @Nullable Class<?> getValueType(EvaluationContext context,
 @Nullable Object rootObject)
                                throws EvaluationException

Specified by:

getValueType in interface Expression

Throws:

EvaluationException

getValueTypeDescriptor

public @Nullable TypeDescriptor getValueTypeDescriptor()
                                                throws EvaluationException

Specified by:

getValueTypeDescriptor in interface Expression

Throws:

EvaluationException

getValueTypeDescriptor

public @Nullable TypeDescriptor getValueTypeDescriptor(@Nullable Object rootObject)
                                                throws EvaluationException

Specified by:

getValueTypeDescriptor in interface Expression

Throws:

EvaluationException

getValueTypeDescriptor

public @Nullable TypeDescriptor getValueTypeDescriptor(EvaluationContext context)
                                                throws EvaluationException

Specified by:

getValueTypeDescriptor in interface Expression

Throws:

EvaluationException

getValueTypeDescriptor

public @Nullable TypeDescriptor getValueTypeDescriptor(EvaluationContext context,
 @Nullable Object rootObject)
                                                throws EvaluationException

Specified by:

getValueTypeDescriptor in interface Expression

Throws:

EvaluationException

isWritable

public boolean isWritable(EvaluationContext context)
                   throws EvaluationException

Specified by:

isWritable in interface Expression

Throws:

EvaluationException

isWritable

public boolean isWritable(EvaluationContext context,
 @Nullable Object rootObject)
                   throws EvaluationException

Specified by:

isWritable in interface Expression

Throws:

EvaluationException

isWritable

public boolean isWritable(@Nullable Object rootObject)
                   throws EvaluationException

Specified by:

isWritable in interface Expression

Throws:

EvaluationException

setValue

public void setValue(EvaluationContext context,
 @Nullable Object value)
              throws EvaluationException

Specified by:

setValue in interface Expression

Throws:

EvaluationException

setValue

public void setValue(@Nullable Object rootObject,
 @Nullable Object value)
              throws EvaluationException

Specified by:

setValue in interface Expression

Throws:

EvaluationException

setValue

public void setValue(EvaluationContext context,
 @Nullable Object rootObject,
 @Nullable Object value)
              throws EvaluationException

Specified by:

setValue in interface Expression

Throws:

EvaluationException

getExpressionString

public String getExpressionString()

Specified by:

getExpressionString in interface Expression