Class ValueExpression<V>
java.lang.Object
org.springframework.integration.expression.ValueExpression<V>
- Type Parameters:
V- - The expected value type.
- All Implemented Interfaces:
org.springframework.expression.Expression
public class ValueExpression<V>
extends java.lang.Object
implements org.springframework.expression.Expression
A very simple hardcoded implementation of the
Expression interface that represents an
immutable value. It is used as value holder in the context of expression evaluation.- Since:
- 4.0
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Constructor Summary
Constructors Constructor Description ValueExpression(V value) -
Method Summary
Modifier and Type Method Description java.lang.StringgetExpressionString()VgetValue()<T> TgetValue(java.lang.Class<T> desiredResultType)VgetValue(java.lang.Object rootObject)<T> TgetValue(java.lang.Object rootObject, java.lang.Class<T> desiredResultType)VgetValue(org.springframework.expression.EvaluationContext context)<T> TgetValue(org.springframework.expression.EvaluationContext context, java.lang.Class<T> desiredResultType)VgetValue(org.springframework.expression.EvaluationContext context, java.lang.Object rootObject)<T> TgetValue(org.springframework.expression.EvaluationContext context, java.lang.Object rootObject, java.lang.Class<T> desiredResultType)java.lang.Class<V>getValueType()java.lang.Class<V>getValueType(java.lang.Object rootObject)java.lang.Class<V>getValueType(org.springframework.expression.EvaluationContext context)java.lang.Class<V>getValueType(org.springframework.expression.EvaluationContext context, java.lang.Object rootObject)org.springframework.core.convert.TypeDescriptorgetValueTypeDescriptor()org.springframework.core.convert.TypeDescriptorgetValueTypeDescriptor(java.lang.Object rootObject)org.springframework.core.convert.TypeDescriptorgetValueTypeDescriptor(org.springframework.expression.EvaluationContext context)org.springframework.core.convert.TypeDescriptorgetValueTypeDescriptor(org.springframework.expression.EvaluationContext context, java.lang.Object rootObject)booleanisWritable(java.lang.Object rootObject)booleanisWritable(org.springframework.expression.EvaluationContext context)booleanisWritable(org.springframework.expression.EvaluationContext context, java.lang.Object rootObject)voidsetValue(java.lang.Object rootObject, java.lang.Object value)voidsetValue(org.springframework.expression.EvaluationContext context, java.lang.Object value)voidsetValue(org.springframework.expression.EvaluationContext context, java.lang.Object rootObject, java.lang.Object value)java.lang.StringtoString()
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Constructor Details
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Method Details
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getValue
- Specified by:
getValuein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
-
getValue
public V getValue(java.lang.Object rootObject) throws org.springframework.expression.EvaluationException- Specified by:
getValuein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValue
public V getValue(org.springframework.expression.EvaluationContext context) throws org.springframework.expression.EvaluationException- Specified by:
getValuein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValue
public V getValue(org.springframework.expression.EvaluationContext context, java.lang.Object rootObject) throws org.springframework.expression.EvaluationException- Specified by:
getValuein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValue
public <T> T getValue(java.lang.Object rootObject, java.lang.Class<T> desiredResultType) throws org.springframework.expression.EvaluationException- Specified by:
getValuein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValue
public <T> T getValue(java.lang.Class<T> desiredResultType) throws org.springframework.expression.EvaluationException- Specified by:
getValuein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValue
public <T> T getValue(org.springframework.expression.EvaluationContext context, java.lang.Object rootObject, java.lang.Class<T> desiredResultType) throws org.springframework.expression.EvaluationException- Specified by:
getValuein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValue
public <T> T getValue(org.springframework.expression.EvaluationContext context, java.lang.Class<T> desiredResultType) throws org.springframework.expression.EvaluationException- Specified by:
getValuein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValueType
- Specified by:
getValueTypein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValueType
public java.lang.Class<V> getValueType(java.lang.Object rootObject) throws org.springframework.expression.EvaluationException- Specified by:
getValueTypein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValueType
public java.lang.Class<V> getValueType(org.springframework.expression.EvaluationContext context) throws org.springframework.expression.EvaluationException- Specified by:
getValueTypein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValueType
public java.lang.Class<V> getValueType(org.springframework.expression.EvaluationContext context, java.lang.Object rootObject) throws org.springframework.expression.EvaluationException- Specified by:
getValueTypein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValueTypeDescriptor
public org.springframework.core.convert.TypeDescriptor getValueTypeDescriptor() throws org.springframework.expression.EvaluationException- Specified by:
getValueTypeDescriptorin interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValueTypeDescriptor
public org.springframework.core.convert.TypeDescriptor getValueTypeDescriptor(java.lang.Object rootObject) throws org.springframework.expression.EvaluationException- Specified by:
getValueTypeDescriptorin interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValueTypeDescriptor
public org.springframework.core.convert.TypeDescriptor getValueTypeDescriptor(org.springframework.expression.EvaluationContext context) throws org.springframework.expression.EvaluationException- Specified by:
getValueTypeDescriptorin interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getValueTypeDescriptor
public org.springframework.core.convert.TypeDescriptor getValueTypeDescriptor(org.springframework.expression.EvaluationContext context, java.lang.Object rootObject) throws org.springframework.expression.EvaluationException- Specified by:
getValueTypeDescriptorin interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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isWritable
public boolean isWritable(org.springframework.expression.EvaluationContext context) throws org.springframework.expression.EvaluationException- Specified by:
isWritablein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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isWritable
public boolean isWritable(org.springframework.expression.EvaluationContext context, java.lang.Object rootObject) throws org.springframework.expression.EvaluationException- Specified by:
isWritablein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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isWritable
public boolean isWritable(java.lang.Object rootObject) throws org.springframework.expression.EvaluationException- Specified by:
isWritablein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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setValue
public void setValue(org.springframework.expression.EvaluationContext context, java.lang.Object value) throws org.springframework.expression.EvaluationException- Specified by:
setValuein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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setValue
public void setValue(java.lang.Object rootObject, java.lang.Object value) throws org.springframework.expression.EvaluationException- Specified by:
setValuein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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setValue
public void setValue(org.springframework.expression.EvaluationContext context, java.lang.Object rootObject, java.lang.Object value) throws org.springframework.expression.EvaluationException- Specified by:
setValuein interfaceorg.springframework.expression.Expression- Throws:
org.springframework.expression.EvaluationException
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getExpressionString
public java.lang.String getExpressionString()- Specified by:
getExpressionStringin interfaceorg.springframework.expression.Expression
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toString
public java.lang.String toString()- Overrides:
toStringin classjava.lang.Object
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