| Interface | Description |
|---|---|
| Builder<T> |
A basic Builder pattern interface.
|
| Class | Description |
|---|---|
| CommandUtils |
run given command and return the result as string
|
| EnvironmentUtils | |
| ExceptionHandlingEventHandler<T> |
An ExceptionHandler that wraps another one, but catches all exceptions thrown by that one and forwards them
to an ExceptionHandler.
|
| Exceptions |
Utility class to deal with Exceptions
|
| HadoopEnvironment |
Constants for the various Hadoop environment variables.
|
| JARFileMaker |
Helper class to create JAR files.
|
| MemoryUtils |
Utility class to report current and peak memory
usage.
|
| ObjectInstantiationLogger |
A utility class used as a default at times.
|
| Optional<T> |
Represents an optional value.
|
| OSUtils | |
| REEFVersion |
Version information, retrieved from the pom (via a properties file reference)
|
| SetOnce<T> |
A reference to a value that can be set exactly once.
|
| SingletonAsserter |
A helper class that can be used to ensure that objects are only instantiated once.
|
| ThreadLogger |
Methods to log the currently active set of threads with their stack traces.
|
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