Package org.faktorips.codegen.dthelpers

Class BooleanHelper

java.lang.Object

org.faktorips.codegen.dthelpers.AbstractDatatypeHelper

org.faktorips.codegen.dthelpers.BooleanHelper

All Implemented Interfaces:

BaseDatatypeHelper<JavaCodeFragment>, DatatypeHelper

public class BooleanHelper
extends AbstractDatatypeHelper

DatatypeHelper for BooleanDatatype.

Field Summary

Fields inherited from interface org.faktorips.codegen.DatatypeHelper

BIG_DECIMAL, BOOLEAN, DECIMAL, INTEGER, LONG, MONEY, PRIMITIVE_BOOLEAN, PRIMITIVE_INTEGER, STRING

Constructor Summary

Constructors

Constructor	Description
BooleanHelper()	Constructs a new helper.
BooleanHelper(BooleanDatatype datatype)	Constructs a new helper for the given boolean datatype.

Method Summary

Modifier and Type	Method	Description
String	getJavaClassName()	Returns the qualified Java class name the datatype represents.
JavaCodeFragment	newInstance(String value)	Returns a JavaCodeFragment with sourcecode that creates an instance of the datatype's Java class with the given value.
protected JavaCodeFragment	valueOfExpression(String expression)	This method is supposed to be overridden by subclasses.

Methods inherited from class org.faktorips.codegen.dthelpers.AbstractDatatypeHelper

createCastExpression, getDatatype, getRangeJavaClassName, getToStringExpression, newEnumValueSetInstance, newEnumValueSetInstance, newInstanceFromExpression, newInstanceFromExpression, newRangeInstance, newSafeCopy, nullExpression, referenceOrSafeCopyIfNeccessary, setDatatype

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.faktorips.codegen.DatatypeHelper

getValueSetJavaClassName, newValueInstance

Constructor Details

BooleanHelper

public BooleanHelper()

Constructs a new helper.

BooleanHelper

public BooleanHelper(BooleanDatatype datatype)

Constructs a new helper for the given boolean datatype.

Throws:

IllegalArgumentException - if datatype is null.

Method Details

getJavaClassName

public String getJavaClassName()

Description copied from interface: DatatypeHelper

Returns the qualified Java class name the datatype represents.

newInstance

public JavaCodeFragment newInstance(String value)

Description copied from interface: DatatypeHelper

Returns a JavaCodeFragment with sourcecode that creates an instance of the datatype's Java class with the given value. If the value is null the fragment's sourcecode is either the String "null" or the sourcecode to get an instance of the appropriate null object.

valueOfExpression

protected JavaCodeFragment valueOfExpression(String expression)

Description copied from class: AbstractDatatypeHelper

This method is supposed to be overridden by subclasses.

It is used within the newInstanceFromExpression(String) method. It returns a JavaCodeFragment with sourcecode that creates an instance of the datatype's Java class with the given expression.

If the expression is null the fragment's sourcecode is either the String "null" or the sourcecode to get an instance of the appropriate null object. Preconditions: Expression may not be null or empty. When evaluated the expression must return a String.

Specified by:

valueOfExpression in class AbstractDatatypeHelper