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org.jboss.portal.migration.model22.other
Class Value

java.lang.Object
  org.jboss.portal.migration.model22.other.Value

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

BooleanValue, FloatValue, IntegerValue, StringValue

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public abstract class Value

extends java.lang.Object

implements java.io.Serializable

A read only interface used to retrieve data. It represents both for mono value and multi values. It must implement equals and hashCode. The semantics : | storage | mono | multi | | xxx | xxx | [xxx] | | null | null | [null] | -------------------------------- | [] | null | [] | | [null,..] | null | [null,..] | | ["1",..] | "1" | ["1",..] |

Version:

$Revision: 5449 $

Author:

Julien Viet

See Also:

Serialized Form

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Field Summary
private  int	hashCode           The cached hashCode.

 

Constructor Summary

Value()

 

Method Summary
java.lang.Object	asObject()           Return the value.
abstract  java.lang.Object[]	asObjectArray()           Return the values as an array of converted object.
java.lang.String	asString()           Return the value as a string or null if the value is null.
java.lang.String[]	asStringArray()           Return the values as an array of string.
boolean	equals(java.lang.Object obj)
int	hashCode()
boolean	isEmpty()           Return true if it contains zero value.
abstract  boolean	isInstanceOf(java.lang.Class clazz)
boolean	isMultiValued()           Return true if it contains more than one value.
boolean	isNull()           Return true if the value is null.
int	size()           Return the size.
java.lang.String	toString()

 

Methods inherited from class java.lang.Object

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

 

Field Detail

hashCode

private int hashCode

The cached hashCode.

Constructor Detail

Value

public Value()

Method Detail

isInstanceOf

public abstract boolean isInstanceOf(java.lang.Class clazz)

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hashCode

public int hashCode()

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equals

public boolean equals(java.lang.Object obj)

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toString

public java.lang.String toString()

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isNull

public boolean isNull()

Return true if the value is null.

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asString

public java.lang.String asString()

Return the value as a string or null if the value is null.

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asObject

public java.lang.Object asObject()

Return the value.

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isMultiValued

public boolean isMultiValued()

Return true if it contains more than one value.

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isEmpty

public boolean isEmpty()

Return true if it contains zero value.

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size

public int size()

Return the size.

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asStringArray

public java.lang.String[] asStringArray()

Return the values as an array of string.

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asObjectArray

public abstract java.lang.Object[] asObjectArray()

Return the values as an array of converted object. Must always return a non null array !!!

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