X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.impl%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fimpl%2Fgraph%2FArraySet.java;fp=bundles%2Forg.simantics.db.impl%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fimpl%2Fgraph%2FArraySet.java;h=d7e0aa8bc979a00bb229f30ec2b56eded6337dd3;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/graph/ArraySet.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/graph/ArraySet.java
new file mode 100644
index 000000000..d7e0aa8bc
--- /dev/null
+++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/graph/ArraySet.java
@@ -0,0 +1,130 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.impl.graph;
+
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.Set;
+
+import org.simantics.db.Resource;
+import org.simantics.db.impl.query.IntSet;
+import org.simantics.db.impl.query.QuerySupport;
+
+public class ArraySet implements Set<Resource> {
+    
+    final Resource[] set;
+
+    ArraySet(IntSet intSet, QuerySupport support) {
+        
+        if(intSet.data == null) {
+            if(intSet.sizeOrData != IntSet.NO_DATA) {
+                set = new Resource[] { support.getResource(intSet.sizeOrData) };
+            } else {
+                set = Resource.NONE;
+            }
+        } else {
+            set = new Resource[intSet.sizeOrData];
+            for(int i=0;i<intSet.sizeOrData;i++) set[i] = support.getResource(intSet.data[i]);
+        }
+        
+    }
+    
+    @Override
+    public boolean add(Resource e) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public boolean addAll(Collection<? extends Resource> c) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void clear() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public boolean contains(Object o) {
+        for(int i=0;i<set.length;i++) if(o.equals(set[i])) return true;
+        return false;
+    }
+
+    @Override
+    public boolean containsAll(Collection<?> c) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return set.length == 0;
+    }
+
+    @Override
+    public Iterator<Resource> iterator() {
+        
+        class ArraySetIterator implements Iterator<Resource> {
+            
+            int next = 0;
+
+            @Override
+            public boolean hasNext() {
+                return next < set.length;
+            }
+
+            @Override
+            public Resource next() {
+                return set[next++];
+            }
+
+            @Override
+            public void remove() {
+                throw new UnsupportedOperationException();
+            }
+            
+        }
+        
+        return new ArraySetIterator();
+        
+    }
+
+    @Override
+    public boolean remove(Object o) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public boolean removeAll(Collection<?> c) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public boolean retainAll(Collection<?> c) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public int size() {
+        return set.length;
+    }
+
+    @Override
+    public Object[] toArray() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public <T> T[] toArray(T[] a) {
+        throw new UnsupportedOperationException();
+    }
+
+}