com.orientechnologies.common.collection

Class OMultiValue

java.lang.Object

com.orientechnologies.common.collection.OMultiValue

public class OMultiValue
extends Object

Handles Multi-value types such as Arrays, Collections and Maps. It recognizes special Orient collections.

Author:

Luca Garulli (l.garulli--(at)--orientdb.com)

Constructor Summary

Constructors

Constructor and Description
OMultiValue()

Method Summary

Modifier and Type	Method and Description
static Object	add(Object iObject, Object iToAdd) Utility function that add a value to the main object.
static Object[]	array(Object iValue)
static <T> T[]	array(Object iValue, Class<? extends T> iClass)
static <T> T[]	array(Object iValue, Class<? extends T> iClass, OCallable<Object,Object> iCallback)
static boolean	contains(Object iObject, Object iItem)
static Object	convert(Object iObject, OCallable<Object,Object> iCallback)
static boolean	equals(Collection<Object> col1, Collection<Object> col2)
static Object	getFirstValue(Object iObject) Returns the first item of the Multi-value object (array, collection or map)
static Object	getLastValue(Object iObject) Returns the last item of the Multi-value object (array, collection or map)
static Iterable<Object>	getMultiValueIterable(Object iObject) Returns an Iterable
static Iterable<Object>	getMultiValueIterable(Object iObject, boolean iForceConvertRecord) Returns an Iterable
static Iterator<Object>	getMultiValueIterator(Object iObject) Returns an Iterator
static Iterator<Object>	getMultiValueIterator(Object iObject, boolean iForceConvertRecord) Returns an Iterator
static <T> List<T>	getSingletonList(T item)
static int	getSize(Object iObject) Returns the size of the multi-value object
static Object	getValue(Object iObject, int iIndex) Returns the iIndex item of the Multi-value object (array, collection or map)
static int	indexOf(Object iObject, Object iItem)
static boolean	isIterable(Object iObject)
static boolean	isMultiValue(Class<?> iType) Checks if a class is a multi-value type.
static boolean	isMultiValue(Object iObject) Checks if the object is a multi-value type.
static Object	remove(Object iObject, Object iToRemove, boolean iAllOccurrences) Utility function that remove a value from the main object.
protected static void	removeFromOCollection(Object iObject, OCollection<Object> coll, Object iToRemove, boolean iAllOccurrences)
static void	setValue(Object iObject, Object iValue, int iIndex) Sets the value of the Multi-value object (array or collection) at iIndex
static Object	toSet(Object o)
static String	toString(Object iObject) Returns a stringified version of the multi-value object.

Methods inherited from class java.lang.Object

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

Constructor Detail

OMultiValue

public OMultiValue()

Method Detail

isMultiValue

public static boolean isMultiValue(Class<?> iType)

Checks if a class is a multi-value type.

Parameters:

iType - Class to check

Returns:

true if it's an array, a collection or a map, otherwise false

isMultiValue

public static boolean isMultiValue(Object iObject)

Checks if the object is a multi-value type.

Parameters:

iObject - Object to check

Returns:

true if it's an array, a collection or a map, otherwise false

isIterable

public static boolean isIterable(Object iObject)

getSize

public static int getSize(Object iObject)

Returns the size of the multi-value object

Parameters:

iObject - Multi-value object (array, collection or map)

Returns:

the size of the multi value object

getFirstValue

public static Object getFirstValue(Object iObject)

Returns the first item of the Multi-value object (array, collection or map)

Parameters:

iObject - Multi-value object (array, collection or map)

Returns:

The first item if any

getLastValue

public static Object getLastValue(Object iObject)

Returns the last item of the Multi-value object (array, collection or map)

Parameters:

iObject - Multi-value object (array, collection or map)

Returns:

The last item if any

getValue

public static Object getValue(Object iObject,
                              int iIndex)

Returns the iIndex item of the Multi-value object (array, collection or map)

Parameters:

iObject - Multi-value object (array, collection or map)

iIndex - integer as the position requested

Returns:

The first item if any

setValue

public static void setValue(Object iObject,
                            Object iValue,
                            int iIndex)

Sets the value of the Multi-value object (array or collection) at iIndex

Parameters:

iObject - Multi-value object (array, collection)

iValue - The value to set at this specified index.

iIndex - integer as the position requested

getMultiValueIterable

public static Iterable<Object> getMultiValueIterable(Object iObject)

Returns an Iterable