org.qtitools.qti.node.shared.declaration
Class DefaultValue

java.lang.Object
  org.qtitools.qti.node.AbstractNode
      org.qtitools.qti.node.AbstractObject
          org.qtitools.qti.node.shared.declaration.DefaultValue

All Implemented Interfaces:

java.io.Serializable, FieldValueParent, XmlNode, XmlObject, Validatable

public class DefaultValue
extends AbstractObject
implements FieldValueParent

Default value of variableDeclaration. Specification of defaultValue is not good. Instead of [1..*] fieldValues, defaultValue should contain 1 baseValue or multiple or ordered or record expression. It would be much more powerful and consistent.

Author:

Jiri Kajaba

See Also:

Serialized Form

Field Summary

static java.lang.String	ATTR_INTERPRETATION_DEFAULT_VALUE Default value of interpretation attribute.
static java.lang.String	ATTR_INTERPRETATION_NAME Name of interpretation attribute in xml schema.
static java.lang.String	CLASS_TAG Name of this class in xml schema.

Fields inherited from interface org.qtitools.qti.node.XmlNode

INDENT, NEW_LINE, SIMPLE_NAME_INNER_SEPARATOR, SIMPLE_NAMES_SEPARATOR

Constructor Summary

DefaultValue(VariableDeclaration parent)
Creates object.

DefaultValue(VariableDeclaration parent, Value value)
Creates object with a given value.

Method Summary

Value	evaluate() Evaluates value of this defaultValue.
BaseType	getBaseType() Gets required baseType of result value (when all FieldValues are put together).
Cardinality	getCardinality() Gets required cardinality of result value (when all FieldValues are put together).
java.lang.String	getClassTag() Gets QTI class name of this node.
java.util.List<FieldValue>	getFieldValues() Gets fieldValue children.
java.lang.String	getInterpretation() Gets value of interpretation attribute.
VariableDeclaration	getParent() Gets parent of this node or null (if node is root; for example AssessmentTest).
Value	getValue() Gets value of this defaultValue.
void	load(org.w3c.dom.Node sourceNode) Loads this node from given source node (DOM).
void	setInterpretation(java.lang.String interpretation) Sets new value of interpretation attribute.
protected ValidationResult	validateChildren() Validates children (body) of this node.

Methods inherited from class org.qtitools.qti.node.AbstractObject

getParentItem, getParentResult, getParentTest, setParent

Methods inherited from class org.qtitools.qti.node.AbstractNode

attrToXmlString, bodyToXmlString, getAttributes, getFullName, getIndent, getNode, getNode, getNode, getNodeGroups, getParentRoot, getSimpleName, getSourceFile, getSourceNode, getSourceString, getSourceUrl, hasChildNodes, load, load, load, loadAttributes, readChild, readChildren, setParent, setSourceFile, setSourceNode, setSourceString, setSourceUrl, toXmlString, toXmlString, validate, validateAttributes

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.qtitools.qti.node.XmlObject

getParentItem, getParentResult, getParentTest, setParent

Methods inherited from interface org.qtitools.qti.node.XmlNode

getAttributes, getFullName, getNodeGroups, getParentRoot, getSimpleName, getSourceFile, getSourceNode, getSourceString, getSourceUrl, hasChildNodes, load, load, load, setSourceFile, setSourceNode, setSourceString, setSourceUrl, toXmlString, toXmlString

Methods inherited from interface org.qtitools.qti.validation.Validatable

validate

Field Detail

CLASS_TAG

public static final java.lang.String CLASS_TAG

Name of this class in xml schema.

See Also:

Constant Field Values

ATTR_INTERPRETATION_NAME

public static final java.lang.String ATTR_INTERPRETATION_NAME

Name of interpretation attribute in xml schema.

See Also:

Constant Field Values

ATTR_INTERPRETATION_DEFAULT_VALUE

public static final java.lang.String ATTR_INTERPRETATION_DEFAULT_VALUE

Default value of interpretation attribute.

Constructor Detail

DefaultValue

public DefaultValue(VariableDeclaration parent)

Creates object.

Parameters:

parent - parent of this object

DefaultValue

public DefaultValue(VariableDeclaration parent,
                    Value value)

Creates object with a given value.

Parameters:

parent - parent of this object

value - value to use

Method Detail

getParent

public VariableDeclaration getParent()

Description copied from interface: XmlNode

Gets parent of this node or null (if node is root; for example AssessmentTest).

While testing some nodes (for example expressions) don't have properly set parent, but it is usable only for testing. (Some nodes cannot exists without parent even for testing).

Specified by:

getParent in interface XmlNode

Specified by:

getParent in interface XmlObject

Overrides:

getParent in class AbstractObject

Returns:

parent of this node or null (if node is root; for example AssessmentTest)

getClassTag

public java.lang.String getClassTag()

Description copied from interface: XmlNode

Gets QTI class name of this node.

QTI class name has very important role during loading/saving nodes.

For example: Java class name is AssessmentTest; QTI class name is assessmentTest.

Specified by:

getClassTag in interface XmlNode

Specified by:

getClassTag in class AbstractNode

Returns:

QTI class name of this node

getInterpretation

public java.lang.String getInterpretation()

Gets value of interpretation attribute.

Returns:

value of interpretation attribute

See Also:

setInterpretation(java.lang.String)

setInterpretation

public void setInterpretation(java.lang.String interpretation)

Sets new value of interpretation attribute.

Parameters:

interpretation - new value of interpretation attribute

See Also:

getInterpretation()

getFieldValues

public java.util.List<FieldValue> getFieldValues()

Gets fieldValue children.

Returns:

fieldValue children

getValue

public Value getValue()

Gets value of this defaultValue.

Returns:

value of this defaultValue

getCardinality

public Cardinality getCardinality()

Description copied from interface: FieldValueParent

Gets required cardinality of result value (when all FieldValues are put together).

Specified by:

getCardinality in interface FieldValueParent

Returns:

required cardinality of result value (when all FieldValues are put together)

getBaseType

public BaseType getBaseType()

Description copied from interface: FieldValueParent

Gets required baseType of result value (when all FieldValues are put together).

Specified by:

getBaseType in interface FieldValueParent

Returns:

required baseType of result value (when all FieldValues are put together)

validateChildren

protected ValidationResult validateChildren()

Description copied from class: AbstractNode

Validates children (body) of this node.

Overrides:

validateChildren in class AbstractNode

Returns:

result of validation

evaluate

public Value evaluate()

Evaluates value of this defaultValue.

Returns:

evaluated value of this defaultValue

load

public void load(org.w3c.dom.Node sourceNode)

Description copied from interface: XmlNode

Loads this node from given source node (DOM).

Specified by:

load in interface XmlNode

Overrides:

load in class AbstractNode

Parameters:

sourceNode - source node (DOM) for this node