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java.lang.Objectorg.eclipse.birt.report.model.core.Structure
org.eclipse.birt.report.model.api.elements.structures.ComputedColumn
Represents one computed column. A computed column is a ¡°virtual¡± column produced as an expression of other columns within the data set.
This is a managed object, meaning that all changes should be made though the command layer so that they can be undone and redone. Each computed column has the following properties:
Field Summary | |
static java.lang.String |
COLUMN_NAME_MEMBER
Deprecated. using NAME_MEMBER instead. |
static java.lang.String |
COMPUTED_COLUMN_STRUCT
Name of this structure. |
static java.lang.String |
DATA_TYPE_MEMBER
Name of the data-type member. |
static java.lang.String |
EXPRESSION_MEMBER
Name of the expression member. |
static java.lang.String |
NAME_MEMBER
Name of the column name member. |
Constructor Summary | |
ComputedColumn()
|
Method Summary | |
java.lang.String |
getColumnName()
Deprecated. using getName() instead. |
java.lang.String |
getDataType()
Returns the data type of this column. |
java.lang.String |
getExpression()
Returns the expression to compute. |
protected java.lang.Object |
getIntrinsicProperty(java.lang.String memberName)
|
java.lang.String |
getName()
Returns the column name. |
java.lang.String |
getStructName()
Returns the name of the structure definition. |
StructureHandle |
handle(SimpleValueHandle valueHandle,
int index)
|
void |
setColumnName(java.lang.String columnName)
Deprecated. using setName(String) instead. |
void |
setDataType(java.lang.String dataType)
Sets the data type of this column. |
void |
setExpression(java.lang.String expression)
Sets the expression. |
protected void |
setIntrinsicProperty(java.lang.String propName,
java.lang.Object value)
|
void |
setName(java.lang.String name)
Sets the column name |
java.util.List |
validate(org.eclipse.birt.report.model.core.Module module,
org.eclipse.birt.report.model.core.DesignElement element)
Validates this structure. |
Methods inherited from class org.eclipse.birt.report.model.core.Structure |
copy, getDefn, getHandle, getHandle, getLocalProperty, getLocalProperty, getObjectDefn, getProperty, getProperty, getReferencableProperty, isReferencable, setProperty, setProperty |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
public static final java.lang.String COMPUTED_COLUMN_STRUCT
public static final java.lang.String NAME_MEMBER
public static final java.lang.String COLUMN_NAME_MEMBER
NAME_MEMBER
instead.
public static final java.lang.String EXPRESSION_MEMBER
public static final java.lang.String DATA_TYPE_MEMBER
Constructor Detail |
public ComputedColumn()
Method Detail |
public java.lang.String getStructName()
IStructure
protected java.lang.Object getIntrinsicProperty(java.lang.String memberName)
protected void setIntrinsicProperty(java.lang.String propName, java.lang.Object value)
public java.lang.String getColumnName()
getName()
instead.
public java.lang.String getName()
public void setColumnName(java.lang.String columnName)
setName(String)
instead.
columnName
- the column name to setpublic void setName(java.lang.String name)
name
- the column name to set.public java.lang.String getExpression()
public void setExpression(java.lang.String expression)
expression
- the expression to setpublic StructureHandle handle(SimpleValueHandle valueHandle, int index)
public java.util.List validate(org.eclipse.birt.report.model.core.Module module, org.eclipse.birt.report.model.core.DesignElement element)
Structure.validate(Module,
org.eclipse.birt.report.model.core.DesignElement)
public java.lang.String getDataType()
DesignChoiceConstants
, and they
are:
public void setDataType(java.lang.String dataType)
DesignChoiceConstants
, and they
are:
dataType
- the data type to set
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