Package com.orientechnologies.common.util

Class OCollections

java.lang.Object

com.orientechnologies.common.util.OCollections

public class OCollections
extends Object

Set of utility methods to work with collections.

Constructor Summary

Constructors

Constructor	Description
OCollections()

Method Summary

Modifier and Type	Method	Description
static <T> int	indexOf(List<T> list, T object, Comparator<T> comparator)	This method is used to find item in collection using passed in comparator.
static String	toString(Iterable<?> iterable)	Create a string representation of all objects in the given Iterable. example : [value1,value2,value3]

Methods inherited from class java.lang.Object

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

Constructor Details

OCollections

public OCollections()

Method Details

indexOf

public static <T> int indexOf(List<T> list,
 T object,
 Comparator<T> comparator)

This method is used to find item in collection using passed in comparator. Only 0 value (requested object is found) returned by comparator is taken into account the rest is ignored.

Type Parameters:

T - Type of collection elements.

Parameters:

list - List in which value should be found.

object - Object to find.

comparator - Comparator is sued for search.

Returns:

Index of found item or -1 otherwise.

toString

public static String toString(Iterable<?> iterable)

Create a string representation of all objects in the given Iterable. example : [value1,value2,value3]

Parameters:

iterable -

Returns:

String