From 7c279747beb43c7e88633a6228a155a30e6834f7 Mon Sep 17 00:00:00 2001
From: Benjamin Culkin <scorpress@gmail.com>
Date: Mon, 27 May 2024 11:38:33 -0400
Subject: Initial import

---
 .../collections/nspace/SparseNSpace.java           | 165 +++++++++++++++++++++
 1 file changed, 165 insertions(+)
 create mode 100755 israfil-foundation-nspace/src/main/java/net/israfil/foundation/collections/nspace/SparseNSpace.java

(limited to 'israfil-foundation-nspace/src/main/java/net/israfil/foundation/collections/nspace/SparseNSpace.java')

diff --git a/israfil-foundation-nspace/src/main/java/net/israfil/foundation/collections/nspace/SparseNSpace.java b/israfil-foundation-nspace/src/main/java/net/israfil/foundation/collections/nspace/SparseNSpace.java
new file mode 100755
index 0000000..4c48842
--- /dev/null
+++ b/israfil-foundation-nspace/src/main/java/net/israfil/foundation/collections/nspace/SparseNSpace.java
@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2003, Mishkin Berteig and Christian Gruber
+ *
+ * $Id: SparseNSpace.java 260 2005-05-15 13:08:53Z cgruber $
+ */
+package net.israfil.foundation.collections.nspace;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * An implementatino of NSpace that is sparsely populated.
+ * 
+ * @author <a href="mailto:mishkin@berteig.com">Mishkin Berteig</a>
+ * @author <a href="mailto:cgruber@israfil.net">Christian Gruber</a>
+ * @version $Revision: 260 $
+ */
+public class SparseNSpace implements NSpace {
+
+	private final Set<Dimension> dimensions = new HashSet<Dimension>();
+
+	public SparseNSpace() {
+		super();	
+	}
+
+	public SparseNSpace(Set<Dimension> initialDimensions) {
+		this();
+		for (Dimension d : dimensions) {
+			// This is temporary, until we have an internal protected mutator.
+			dimensions.add(d);
+		}
+	}
+
+	/**
+	 * @see org.frugenplat.framework.nspace.NSpace#createDimension(java.lang.String, java.lang.String)
+	 */
+	public Dimension createDimension(String name, String initialSlot)
+		throws DimensionExistsException {
+		Dimension d = new SimpleDimension(name,initialSlot);
+		dimensions.add(d);
+		return d;
+	}
+
+	/**
+	 * @see org.frugenplat.framework.nspace.NSpace#deleteDimension(org.frugenplat.framework.nspace.Dimension)
+	 */
+	public void deleteDimension(Dimension dimension) {
+		throw new UnsupportedOperationException("Not yet implemented.");
+	}
+
+	/**
+	 * @see org.frugenplat.framework.nspace.NSpace#dimensionAddedPosition(org.frugenplat.framework.nspace.Dimension, java.lang.String)
+	 */
+	public void dimensionAddedPosition(Dimension dimension, String position) {
+		throw new UnsupportedOperationException("Not yet implemented.");
+	}
+
+	/**
+	 * @see org.frugenplat.framework.nspace.NSpace#dimensionRemovedPosition(org.frugenplat.framework.nspace.Dimension, java.lang.String)
+	 */
+	public void dimensionRemovedPosition(
+		Dimension dimension,
+		String position) {
+			throw new UnsupportedOperationException("Not yet implemented.");
+	}
+
+	/**
+	 * @see org.frugenplat.framework.nspace.NSpace#getDimension(java.lang.String)
+	 */
+	public Dimension getDimension(String name) {
+		throw new UnsupportedOperationException("Not yet implemented.");
+	}
+
+	/**
+	 * Returns an immutable set of dimensions for inspection..
+	 * @see org.frugenplat.framework.nspace.NSpace#getDimensions()
+	 */
+	public Set<Dimension> getDimensions() {
+		return Collections.unmodifiableSet(dimensions);
+	}
+	
+	/**
+	 * Exposes the internal dimensions set to any children
+	 * @return Set
+	 */
+	protected Set<Dimension> getInternalDimensions() {
+		return dimensions;
+	}
+
+	/**
+	 * @see org.frugenplat.framework.nspace.NSpace#getValue()
+	 */
+	public Object getValue(Coordinate c) {
+		// SparseNSpace s = _slice(c);
+		throw new UnsupportedOperationException("Not yet implemented.");
+	}
+	
+	Object _findValue() {
+		throw new UnsupportedOperationException("Not yet implemented.");
+	}
+	
+	/**
+	 * @see org.frugenplat.framework.nspace.NSpace#isPoint()
+	 */
+	public boolean isPoint() {
+		if (dimensions.size() == 0) return true;
+		else {
+			boolean hasThinDimensions = true;
+			for(Dimension d : dimensions){
+				hasThinDimensions = hasThinDimensions && 
+					(d.size() == 1);
+			}
+			return hasThinDimensions;				
+		}
+		
+	}
+
+	/**
+	 * @see org.frugenplat.framework.nspace.NSpace#lookup(org.frugenplat.framework.nspace.Coordinate)
+	 */
+	public NSpace lookup(Coordinate c) {
+		return _lookup(c);
+	}
+
+	/**
+	 * @see org.frugenplat.framework.nspace.NSpace#setValue(org.frugenplat.framework.nspace.Coordinate, org.frugenplat.framework.nspace.NSpace)
+	 */
+	public NSpace setValue(Coordinate c, NSpace value)
+		throws InvalidDimensionalityException {
+			throw new UnsupportedOperationException("Not yet implemented.");
+	}
+
+	/**
+	 * @see org.frugenplat.framework.nspace.NSpace#setValue(org.frugenplat.framework.nspace.Coordinate, java.lang.Object)
+	 */
+	public NSpace setValue(Coordinate c, Object value)
+		throws InvalidDimensionalityException {
+			throw new UnsupportedOperationException("Not yet implemented.");
+	}
+
+	/**
+	 * @see org.frugenplat.framework.nspace.NSpace#slice(org.frugenplat.framework.nspace.Coordinate)
+	 */
+	public NSpace slice(Coordinate c) {
+		return _slice(c);
+	}
+
+	private SparseNSpace _lookup(Coordinate c) {
+		if (c.equals(Coordinate.EMPTY)) return this;
+		throw new UnsupportedOperationException("Not yet implemented.");		
+	}
+
+	private SparseNSpace _slice(Coordinate c) {
+		if (c.equals(Coordinate.EMPTY)) return this;
+		throw new UnsupportedOperationException("Not yet implemented.");
+	}
+	/* (non-Javadoc)
+	 * @see org.frugenplat.framework.nspace.NSpace#slice(org.frugenplat.framework.nspace.Dimension)
+	 */
+	public NSpace[] slice(Dimension d) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+}
-- 
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