ib84’s gists

ib84 / validationsShortened.scala

Last active December 16, 2015 11:09

validationsHOF&Underscores

	def findX(name:String, keys: (HGSortIndex[K,V], K) => HGSearchResult[V], disc:(Ordering[K],K,K) => Boolean) :
	(name, (index:S, dataSeq:Seq[(K,Seq[V])]) => Try
	{
	val allTrue = dataSeq.forall{ case (key, valueSeq) =>
	{
	val b :HGSearchResult[V]= keys(index, key)
	val ordering = implicitly[Ordering[K]]
	val c = dataSeq.filter( pair => disc(ordering, pair._1,
	key)).map(_._1).toSet
	b.forall(key => c.contains(key))

ib84 / validationsBefore.scala

Last active December 16, 2015 10:39

Naive version of a series of tests (validations) for a test.

	val validatations : Seq[(String, (S,Seq[(K,Seq[V])]) => Try[Boolean])]=
	Seq(
	("def findLT(key: K)", (index:S, dataSeq:Seq[(K,Seq[V])]) => Try
	{
	val allTrue = dataSeq.forall{ case (key, valueSeq) =>
	{
	val b = index.findLT(key)
	val ordering = implicitly[Ordering[K]]
	val c = dataSeq.filter( pair => ordering.lt(pair._1, key)).map(_._1).toSet
	b.forall(key => c.contains(key))

ib84 / hgdbJava.java

Created November 11, 2012 17:37

scala hypergraphdb demos

	private static HGHandle linkLine(String [] stations, HyperGraph graph){
	HGHandle[] stationHandles = new HGHandle[stations.length];
	for (int i = 0; i < stations.length; i++){
	stationHandles[i] = hg.assertAtom(graph, stations[i]);
	}
	return graph.add(new HGPlainLink(stationHandles));
	}

	public static void main(String[] args) {
	HyperGraph graph = new HyperGraph("//home/ingvar/bin/sbt-KK/bje");

ib84 / ScalaHGDBTransactions.scala

Created November 11, 2012 16:57

Scala HyperGraphDB-Transaction Utility methods + tests

	object TestTransa {
	import org.hypergraphdb.transaction.HGUserAbortException
	import scala.runtime.NonLocalReturnControl
	import org.hypergraphdb._
	import HGQuery.hg
	import java.lang.Throwable
	import scala.annotation.tailrec


	val graph:HyperGraph = new HyperGraph("/home/ingvar/bin/sbt-scala-hypergraphdb/bje")

ib84 / Ordr.java

Created October 6, 2012 16:38

Ordering enums for index functions of Hazelcast storage implementation for HyperGraphDB

	package org.hypergraphdb.storage.hazelstore;

	public enum Ordr
	{
	LT, LTE, GT, GTE
	}

ib84 / BAWrapper.java

Created October 6, 2012 16:35

This Gist contains all classes of an alpha version of a HyperGraphDB storage implementation using Hazelcast

	package org.hypergraphdb.storage;

	import java.util.Arrays;
	import java.io.Serializable;

	public class BAWrapper implements Serializable{
	private final byte[] data;

	public BAWrapper(byte[] data)
	{

ib84 / HyperGraphDBScalaHacks.scala

Created July 24, 2012 08:12

Implicit conversions of HGHandle for improved usability of HyperGraphDB

	object HGHandleHacks {
	implicit def richHandle(handle: HGHandle)(implicit graph: HyperGraph) = new {


	// DEREFERENCING
	// dereference and type cast - may throw ClassCastException
	def d[T](implicit graph: HyperGraph): T =
	graph.get(handle).asInstanceOf[T]

ib84 / gist:3002452

Created June 27, 2012 08:32

little hypergraphdb demo

	package hgtest.storage

	import org.hypergraphdb._
	import collection.JavaConversions._
	import org.hypergraphdb.HGQuery.hg
	import org.hypergraphdb.query.AtomTypeCondition
	import org.hypergraphdb.util.HGUtils
	import storage.bje.BJEStorageImplementation

ib84 / HGDBTextApp.scala

Created March 11, 2012 15:35

hypergraphDB Text Experiments

	import test.JHGDB.TestCommons._
	import org.hypergraphdb.HGQuery.hg
	import scala.collection.JavaConversions._
	import org.hypergraphdb.query.AtomTypeCondition
	import test.Text.Word3
	import java.util.ArrayList
	import org.hypergraphdb.indexing.{ByTargetIndexer, ByPartIndexer}
	import org.hypergraphdb.{HyperGraph, HGHandle, HGPlainLink}

	object HGDBRecursiveTextTest {

ib84 / Text.scala

Created February 29, 2012 11:36

recursive text type

	package test
	import scala.annotation.tailrec
	import scala.collection.JavaConversions._
	import scala.reflect.BeanProperty


	sealed abstract class Text{
	override def toString():String

	//ToDo -- checkout Type bounds