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java.lang.Objectorg.eclipse.birt.report.model.api.ElementDetailHandle
org.eclipse.birt.report.model.api.ValueHandle
org.eclipse.birt.report.model.api.ComplexValueHandle
org.eclipse.birt.report.model.api.ExpressionHandle
public class ExpressionHandle
Simplifies working with expression properties. An expression value consists of two parts: the raw expression string if the type is not constant; or the value if the type is constant. If the type is constant, the value can be in String, Integer, DimensionValue, etc.
ExpressionType
Field Summary |
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Fields inherited from class org.eclipse.birt.report.model.api.ComplexValueHandle |
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memberContext, propDefn |
Fields inherited from class org.eclipse.birt.report.model.api.ElementDetailHandle |
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elementHandle |
Constructor Summary | |
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ExpressionHandle(DesignElementHandle element,
org.eclipse.birt.report.model.metadata.ElementPropertyDefn thePropDefn)
Constructs an expression handle for an element property. |
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ExpressionHandle(DesignElementHandle element,
org.eclipse.birt.report.model.core.MemberRef memberRef)
Deprecated. |
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ExpressionHandle(DesignElementHandle element,
org.eclipse.birt.report.model.core.StructureContext context)
Constructs an expression handle for the structure member. |
Method Summary | |
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java.lang.Object |
getExpression()
Return the raw expression if the type is not constant. |
java.lang.String |
getStringExpression()
Return the expression in string format. |
java.lang.String |
getType()
Return the type of the expression. |
java.lang.Object |
getValue()
Gets the value of the property as a generic object. |
void |
setExpression(java.lang.Object expr)
Sets the raw expression if the type is not constant. |
void |
setType(java.lang.String type)
Sets the type of the expression. |
Methods inherited from class org.eclipse.birt.report.model.api.ComplexValueHandle |
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getContext, getDefn, getDisplayValue, getPropertyDefn, getRawValue, getStringValue, isSet, setStringValue, setValue |
Methods inherited from class org.eclipse.birt.report.model.api.ValueHandle |
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getReference |
Methods inherited from class org.eclipse.birt.report.model.api.ElementDetailHandle |
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getDesign, getElement, getElementHandle, getModule |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ExpressionHandle(DesignElementHandle element, org.eclipse.birt.report.model.core.StructureContext context)
element
- the design element handlecontext
- the context for the member propertypublic ExpressionHandle(DesignElementHandle element, org.eclipse.birt.report.model.core.MemberRef memberRef)
element
- the design element handlememberRef
- the memberRef for the member propertypublic ExpressionHandle(DesignElementHandle element, org.eclipse.birt.report.model.metadata.ElementPropertyDefn thePropDefn)
element
- handle to the element that defined the property.thePropDefn
- definition of the expression property.Method Detail |
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public java.lang.Object getExpression()
public void setExpression(java.lang.Object expr) throws SemanticException
expr
- the raw expression or the value
SemanticException
public java.lang.String getType()
public void setType(java.lang.String type) throws SemanticException
type
- the expression type.
SemanticException
public java.lang.String getStringExpression()
public java.lang.Object getValue()
ComplexValueHandle
getValue
in class ComplexValueHandle
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