org.thales.punch.libraries.punchlang.resource.builder

Class JsonToMapInPlaceResourceBuilder

java.lang.Object

org.thales.punch.libraries.punchlang.resource.builder.AbstractJsonResourceBuilder

org.thales.punch.libraries.punchlang.resource.builder.JsonToMapInPlaceResourceBuilder

All Implemented Interfaces:

ToIntFunction<String>, IResourceBuilder

public class JsonToMapInPlaceResourceBuilder
extends AbstractJsonResourceBuilder

Load a JSON array as a resource tuple. This builder reads the input file or resource using a streaming strategy and parse the JSON on the fly.

Author:

dimi

Nested Class Summary

Nested classes/interfaces inherited from interface org.thales.punch.libraries.punchlang.api.IResourceBuilder

IResourceBuilder.CompactionType

Constructor Summary

Constructors

Constructor and Description
JsonToMapInPlaceResourceBuilder(Supplier<IResourceTuple> supplier, String hashKey, boolean lowerCaseKeys) Ctor.

Method Summary

Modifier and Type	Method and Description
void	onStart() The same resource tuple is kept in memory, we simply signal a new loading is about to happen.

Methods inherited from class org.thales.punch.libraries.punchlang.resource.builder.AbstractJsonResourceBuilder

applyAsInt, onEnd, onStream

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.thales.punch.libraries.punchlang.api.IResourceBuilder

prepare

Constructor Detail

JsonToMapInPlaceResourceBuilder

public JsonToMapInPlaceResourceBuilder(Supplier<IResourceTuple> supplier,
                                       String hashKey,
                                       boolean lowerCaseKeys)

Ctor.

Parameters:

supplier - the tuple supplier. It is invoked at every re‚Singsource loading.

isLazy - true to make the tuple contain only strings, to avoid costly inner tuples. This is backed by special tuple implementations.

hashKey - the key to be used as a hash key for the resource tuple.

lowerCaseKeys - true to convert all keys to lower case‚

Method Detail

onStart

public void onStart()

The same resource tuple is kept in memory, we simply signal a new loading is about to happen.