com.hotels.road.partition

Class MessageHashCodeFunctionSupplier

java.lang.Object

com.hotels.road.partition.MessageHashCodeFunctionSupplier

All Implemented Interfaces:

AutoCloseable, Supplier<Function<com.fasterxml.jackson.databind.JsonNode,Integer>>

public class MessageHashCodeFunctionSupplier
extends Object
implements Supplier<Function<com.fasterxml.jackson.databind.JsonNode,Integer>>, AutoCloseable

Constructor Summary

Constructors

Constructor and Description
MessageHashCodeFunctionSupplier(Supplier<KeyPathParser.Path> partitionPathSupplier)

Method Summary

Modifier and Type	Method and Description
void	close()
Function<com.fasterxml.jackson.databind.JsonNode,Integer>	get() Constructs a function that returns the hash code of the supplied Json document.

Methods inherited from class java.lang.Object

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

Constructor Detail

MessageHashCodeFunctionSupplier

public MessageHashCodeFunctionSupplier(Supplier<KeyPathParser.Path> partitionPathSupplier)

Method Detail

get

public Function<com.fasterxml.jackson.databind.JsonNode,Integer> get()

Constructs a function that returns the hash code of the supplied Json document. If a partition path is supplied and this is valid within the context of the document, then the hash code is derived from the document fragment described by the partition path. A random int is returned in all other cases.

Specified by:

get in interface Supplier<Function<com.fasterxml.jackson.databind.JsonNode,Integer>>

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception