Prev Class | Next Class | Frames | No Frames |
Summary: Nested | Field | Method | Constr | Detail: Nested | Field | Method | Constr |
public interface TypeRegistry
Method Summary | |
TypeValuePair |
|
Date |
|
Boolean |
|
Number |
|
NumberSequence |
|
String |
|
ExtendedComparator |
|
Type |
|
public TypeValuePair convertTo(Type targetType, TypeValuePair valuePair) throws TypeConversionException
Checks, whether the target type would accept the specified value object and value type. (This conversion is used by the functions.)
- Parameters:
targetType
-valuePair
-
public Date convertToDate(Type type1, Object value) throws TypeConversionException
Converts the object of the given type into a date.
- Parameters:
type1
-value
-
- Returns:
- The value as Date or null.
public Boolean convertToLogical(Type type1, Object value) throws TypeConversionException
Converts the object of the given type into a boolean.
- Parameters:
type1
-value
-
- Returns:
- The value as Boolean or null.
public Number convertToNumber(Type type1, Object value) throws TypeConversionException
Converts the object of the given type into a number. If the object is not convertible, a NumberFormatException is thrown. (This conversion is used by the operator implementations.)
- Parameters:
type1
-value
-
- Returns:
- the value as number or ZERO if the value is unconvertible.
- Throws:
TypeConversionException
- if the type cannot be represented as number.
public NumberSequence convertToNumberSequence(Type type, Object value) throws TypeConversionException
public String convertToText(Type type1, Object value) throws TypeConversionException
(This conversion is used by the operator implementations.)
- Parameters:
type1
-value
-
- Returns:
- the value as string or an empty string, if the value given is null.
- Throws:
TypeConversionException
-
public ExtendedComparator getComparator(Type type1, Type type2)
Returns an comparator for the given types.
- Parameters:
type1
-type2
-
- Returns: