org.eclipse.smila.datamodel.impl
Class ValueImpl

java.lang.Object
  org.eclipse.smila.datamodel.impl.AbstractAny
      org.eclipse.smila.datamodel.impl.ValueImpl

All Implemented Interfaces:

java.io.Serializable, java.lang.Iterable<Any>, Any, Value

public final class ValueImpl
extends AbstractAny
implements Value

Any holding a value.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.smila.datamodel.Any

Any.ValueType

Field Summary

Fields inherited from class org.eclipse.smila.datamodel.impl.AbstractAny

_valueType

Constructor Summary

ValueImpl(Any.ValueType valueType, java.lang.Object value)
create new empty ValueImpl instance.

ValueImpl(Value object)
create new empty ValueImpl instance as a copy of a given Value.

Method Summary

java.lang.Boolean	asBoolean()
java.util.Date	asDate()
java.util.Date	asDateTime()
java.lang.Double	asDouble()
java.lang.Long	asLong()
java.lang.String	asString()
Value	asValue() returns this Any as an Value object or throws an InvalidValueTypeException.
boolean	equals(java.lang.Object obj)
java.lang.Object	getObject()
int	hashCode()
boolean	isEmpty()
java.util.Iterator<Any>	iterator()
int	size()
java.lang.String	toString()

Methods inherited from class org.eclipse.smila.datamodel.impl.AbstractAny

asMap, asSeq, getFactory, getValueType, isBoolean, isDate, isDateTime, isDouble, isLong, isMap, isNumber, isSeq, isString, isValue

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.eclipse.smila.datamodel.Any

asMap, asSeq, getFactory, getValueType, isBoolean, isDate, isDateTime, isDouble, isLong, isMap, isNumber, isSeq, isString, isValue

Constructor Detail

ValueImpl

public ValueImpl(Any.ValueType valueType,
                 java.lang.Object value)

create new empty ValueImpl instance.

Parameters:

valueType - the type of the Value

value - the value of the Value

ValueImpl

public ValueImpl(Value object)

create new empty ValueImpl instance as a copy of a given Value.

Parameters:

object - the vlaue to be copied

Method Detail

asDouble

public java.lang.Double asDouble()

Specified by:

asDouble in interface Value

Returns:

The double representation, an InvalidValueTypeException is thrown if the value is not a number. If value is a string then this is tried to be converted to a Double.

asLong

public java.lang.Long asLong()

Specified by:

asLong in interface Value

Returns:

The long representation, an InvalidValueTypeException is thrown if the value is not a number. If value is a string then this is tried to be converted to a Long.

asBoolean

public java.lang.Boolean asBoolean()

Specified by:

asBoolean in interface Value

Returns:

The boolean representation, an InvalidValueTypeException is thrown if the value is not of type boolean. If value is a string then this is tried to be converted to a boolean.

asDate

public java.util.Date asDate()

Specified by:

asDate in interface Value

Returns:

The date representation, an InvalidValueTypeException is thrown if the value is not of type date or datetime. If value is a string then this is tried to be converted to a date.

asDateTime

public java.util.Date asDateTime()

Specified by:

asDateTime in interface Value

Returns:

The date time representation, an InvalidValueTypeException is thrown if the value is not of type datetime. If value is a string then this is tried to be converted to a datetime.

asString

public java.lang.String asString()

Specified by:

asString in interface Value

Returns:

The string representation

getObject

public java.lang.Object getObject()

Specified by:

getObject in interface Value

Returns:

the value object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

iterator

public java.util.Iterator<Any> iterator()

Specified by:

iterator in interface java.lang.Iterable<Any>

Specified by:

iterator in interface Any

Returns:

iterator over elements. For Value, this return an iterator about the value itself. For AnyMap it returns an iterator on the values.

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Any

Returns:

true, if the Any does not have content. For Value: returns always false.

size

public int size()

Specified by:

size in interface Any

Returns:

size of Any. For Value this is always 1.

asValue

public Value asValue()

returns this Any as an Value object or throws an InvalidValueTypeException.

Specified by:

asValue in interface Any

Overrides:

asValue in class AbstractAny

See Also:

Any.asValue()