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java.lang.Objectorg.eclipse.datatools.connectivity.oda.spec.ValueExpression
org.eclipse.datatools.connectivity.oda.spec.valueexpr.AtomicValueExpression
org.eclipse.datatools.connectivity.oda.spec.valueexpr.FunctionValueExpression
org.eclipse.datatools.connectivity.oda.spec.valueexpr.CustomFunction
public class CustomFunction
Represents a custom function value expression contributed by an extension of
the org.eclipse.datatools.connectivity.oda.dynamicResultSet extension point.
An ODA dynamicResultSet extension declares its contribution of
each custom function value expression in a functionExpressionType element
in its extension manifest.
| Field Summary |
|---|
| Fields inherited from class org.eclipse.datatools.connectivity.oda.spec.ValueExpression |
|---|
UNKNOWN_ODA_DATA_TYPE |
| Method Summary | |
|---|---|
boolean |
canIgnoreDuplicateValues()
Indicates whether this function type is capable of ignoring duplicate values of its input argument. |
java.lang.Object |
getData(java.lang.String key)
Gets the value of an extension-defined property of the specified name. |
java.lang.String |
getDeclaringExtensionId()
Gets the unique id of the dynamicResultSet extension that declares this custom expression type. |
FunctionExpressionDefinition |
getDefinition()
Gets the definition of this expression's capabilities and metadata, as registered by the provider in its extension of the org.eclipse.datatools.connectivity.oda.dynamicResultSet extension point. |
java.lang.String |
getId()
Gets the expression id. |
java.lang.String |
getName()
Gets the name of this value expression type. |
java.lang.String |
getQualifiedId()
Returns the qualified id of this expression type. |
void |
setData(java.lang.String key,
java.lang.Object value)
Sets the value of an extension-defined property of the specified name. |
void |
setInitializationData(org.eclipse.core.runtime.IConfigurationElement exprElement,
java.lang.String propertyName,
java.lang.Object data)
|
boolean |
supportsDataSetType(java.lang.String odaDataSourceId,
java.lang.String odaDataSetId)
Indicates whether this expression can be applied to the specified data set type within the data source type. |
boolean |
supportsDataSetType(SupportedDataSetType dataSetType)
Indicates whether this expression can be applied to the specified data set type. |
void |
validateSyntax(ValidationContext context)
Performs syntactic validation of this expression in the specified context. |
| Methods inherited from class org.eclipse.datatools.connectivity.oda.spec.valueexpr.FunctionValueExpression |
|---|
getArguments, getOdaDataType, ignoresDuplicateValues, setArguments, setIgnoreDuplicateValues, toString |
| Methods inherited from class org.eclipse.datatools.connectivity.oda.spec.ValueExpression |
|---|
getVariableType, setOdaDataType, validate, validate |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Method Detail |
|---|
public void setInitializationData(org.eclipse.core.runtime.IConfigurationElement exprElement,
java.lang.String propertyName,
java.lang.Object data)
throws org.eclipse.core.runtime.CoreException
setInitializationData in interface org.eclipse.core.runtime.IExecutableExtensionorg.eclipse.core.runtime.CoreExceptionpublic java.lang.String getId()
public java.lang.String getDeclaringExtensionId()
public java.lang.String getQualifiedId()
FunctionValueExpression
getQualifiedId in class FunctionValueExpressionpublic java.lang.String getName()
ValueExpression
getName in class ValueExpression
public boolean supportsDataSetType(java.lang.String odaDataSourceId,
java.lang.String odaDataSetId)
odaDataSourceId - id of an ODA data source extensionodaDataSetId - id of an ODA data set defined within the data source extension
public boolean supportsDataSetType(SupportedDataSetType dataSetType)
dataSetType - an instance of SupportedDataSetType
public boolean canIgnoreDuplicateValues()
public FunctionExpressionDefinition getDefinition()
public java.lang.Object getData(java.lang.String key)
key - the name of property
public void setData(java.lang.String key,
java.lang.Object value)
key - the name of propertyvalue - the new value of the named property
public void validateSyntax(ValidationContext context)
throws OdaException
ValueExpression
validateSyntax in class FunctionValueExpressioncontext - context for validation; may be null which would limit the scope of validation
OdaException - if validation failed. The concrete cause is
defined by the subclass implementing this method.
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