```
public class GPUdbFileHandlerUtils
extends Object
```
This is an internal class and not meant to be used by the end users of the filesystem API. The consequences of using this class directly in client code is not guaranteed and maybe undesirable.

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`awaitTerminationAfterShutdown(ExecutorService threadPool, long timeout)`	Terminate a thread pool after waiting for a given vaue of 'timeout'
`static com.fasterxml.jackson.databind.ObjectMapper`	`getJacksonObjectMapper()`
`static String`	`joinStrings(List<String> stringList)`
`static String`	`joinStrings(List<String> stringList, char separator)`
`static ByteBuffer`	`merge(List<ByteBuffer> byteBuffers)`	Merge a list of buffers into a single buffer.
`static <T> Set<T>`	`setDifference(Set<T> setA, Set<T> setB)`
`static <T> Set<T>`	`setIntersection(Set<T> setA, Set<T> setB)`

Constructor Detail
- GPUdbFileHandlerUtils
```
public GPUdbFileHandlerUtils()
```

public static void awaitTerminationAfterShutdown(ExecutorService threadPool,
                                                 long timeout)

Terminate a thread pool after waiting for a given vaue of 'timeout'

public static String joinStrings(List<String> stringList)

public static <T> Set<T> setDifference(Set<T> setA,
                                       Set<T> setB)

public static <T> Set<T> setIntersection(Set<T> setA,
                                         Set<T> setB)

public static String joinStrings(List<String> stringList,
                                 char separator)

public static com.fasterxml.jackson.databind.ObjectMapper getJacksonObjectMapper()

Class GPUdbFileHandlerUtils