Package org.apache.flink.util

Interface Summary

Interface	Description
Collector<T>	Collects a record and forwards it.
IterableIterator<E>	An Iterator that is also Iterable (often by returning itself).
MutableObjectIterator<E>	A simple iterator interface.
SplittableIterator<T>
Visitable<T extends Visitable<T>>	This interface marks types as visitable during a traversal.
Visitor<T extends Visitable<T>>	A visitor encapsulates functionality that is applied to each node in the process of a traversal of a tree or DAD.

Class Summary

Class	Description
ClassUtils	Utility class which provides various methods for dynamic class loading.
ExceptionUtils
InstantiationUtil	Utility class to create instances from class objects and checking failure reasons.
NetUtils
NumberSequenceIterator	The NumberSequenceIterator is an iterator that returns a sequence of numbers (as Long)s.
ReflectionUtil
SimpleStringUtils	Utility class for efficient string operations on strings.
SimpleStringUtils.WhitespaceTokenizer	A tokenizer for string values that uses whitespace characters as token delimiters.
StringUtils	Utility class to convert objects into strings in vice-versa.
TraversableOnceIterable<T>

Enum Summary

Enum	Description
OperatingSystem	An enumeration indicating the operating system that the engine runs on.

Exception Summary

Exception	Description
TraversableOnceException	An exception, indicating that an Iterable can only be traversed once, but has been attempted to traverse an additional time.