[tinyTiM-commits] SF.net SVN: tinytim:[112] tinytim/trunk/src/main/java/org/tinytim

[<lh...@us...>]

Revision: 112
          http://tinytim.svn.sourceforge.net/tinytim/?rev=112&view=rev
Author:   lheuer
Date:     2008-08-11 12:21:38 +0000 (Mon, 11 Aug 2008)

Log Message:
-----------
- Committed missing classes (Scope and the new CollectionFactory)

Added Paths:
-----------
    tinytim/trunk/src/main/java/org/tinytim/core/Scope.java
    tinytim/trunk/src/main/java/org/tinytim/utils/CollectionFactory.java
    tinytim/trunk/src/main/java/org/tinytim/utils/IIntObjectMap.java
    tinytim/trunk/src/main/java/org/tinytim/utils/IntObjectMap.java
    tinytim/trunk/src/main/java/org/tinytim/utils/JavaCollectionFactory.java
    tinytim/trunk/src/main/java/org/tinytim/utils/JavaIntObjectMap.java
    tinytim/trunk/src/main/java/org/tinytim/utils/TroveCollectionFactory.java
    tinytim/trunk/src/main/java/org/tinytim/utils/TroveIntObjectMap.java
    tinytim/trunk/src/main/java/org/tinytim/utils/WeakObjectRegistry.java

Added: tinytim/trunk/src/main/java/org/tinytim/core/Scope.java
===================================================================
--- tinytim/trunk/src/main/java/org/tinytim/core/Scope.java	                        (rev 0)
+++ tinytim/trunk/src/main/java/org/tinytim/core/Scope.java	2008-08-11 12:21:38 UTC (rev 112)
@@ -0,0 +1,154 @@
+/*
+ * This is tinyTiM, a tiny Topic Maps engine.
+ *
+ * Copyright (C) 2008 Lars Heuer (heuer[at]semagia.com)
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+package org.tinytim.core;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.Set;
+
+import org.tinytim.utils.CollectionFactory;
+import org.tinytim.utils.WeakObjectRegistry;
+import org.tmapi.core.Topic;
+
+/**
+ * 
+ * 
+ * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a>
+ * @version $Rev:$ - $Date:$
+ */
+final class Scope implements IScope {
+
+    public static final IScope UCS = new Scope();
+
+    private static final WeakObjectRegistry<IScope> _SCOPES = new WeakObjectRegistry<IScope>();
+
+    private final Set<Topic> _set; 
+
+    private Scope() {
+        _set = Collections.emptySet();
+    }
+
+    private Scope(Collection<Topic> themes) {
+        _set = CollectionFactory.createIdentitySet(themes.size());
+        _set.addAll(themes);
+    }
+
+    private Scope(Set<Topic> themes) {
+        _set = themes;
+    }
+
+    /* (non-Javadoc)
+     * @see java.lang.Object#equals(java.lang.Object)
+     */
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        return (obj instanceof Scope) && _set.equals(((Scope)obj)._set);
+    }
+
+    /* (non-Javadoc)
+     * @see java.lang.Object#hashCode()
+     */
+    @Override
+    public int hashCode() {
+        return _set.hashCode();
+    }
+
+    public static synchronized IScope create(Collection<Topic> scope) {
+        if (scope.isEmpty()) {
+            return UCS;
+        }
+        Set<Topic> themes = CollectionFactory.createIdentitySet(scope.size());
+        themes.addAll(scope);
+        IScope scope_ = new Scope(themes);
+        IScope existing = _SCOPES.get(scope_);
+        if (existing != null) {
+            return existing;
+        }
+        _SCOPES.add(scope_);
+        return scope_;
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.IScope#asSet()
+     */
+    public Set<Topic> asSet() {
+        return Collections.unmodifiableSet(_set);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.IScope#contains(org.tmapi.core.Topic)
+     */
+    public boolean contains(Topic theme) {
+        return _set.contains(theme);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.IScope#add(org.tmapi.core.Topic)
+     */
+    public IScope add(Topic theme) {
+        if (_set.contains(theme)) {
+            return this;
+        }
+        Collection<Topic> themes = CollectionFactory.createIdentitySet(_set.size());
+        themes.addAll(_set);
+        themes.add(theme);
+        return create(themes);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.IScope#remove(org.tmapi.core.Topic)
+     */
+    public IScope remove(Topic theme) {
+        if (!_set.contains(theme)) {
+            return this;
+        }
+        Collection<Topic> themes = CollectionFactory.createIdentitySet(_set.size());
+        themes.addAll(_set);
+        themes.remove(theme);
+        return create(themes);
+    }
+
+    /* (non-Javadoc)
+     * @see java.lang.Iterable#iterator()
+     */
+    public Iterator<Topic> iterator(){
+        return _set.iterator();
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.IScope#isUnconstrained()
+     */
+    public boolean isUnconstrained() {
+        return this == UCS;
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.IScope#size()
+     */
+    public int size() {
+        return _set.size();
+    }
+
+}


Property changes on: tinytim/trunk/src/main/java/org/tinytim/core/Scope.java
___________________________________________________________________
Added: svn:keywords
   + Rev Date Id
Added: svn:eol-style
   + native

Added: tinytim/trunk/src/main/java/org/tinytim/utils/CollectionFactory.java
===================================================================
--- tinytim/trunk/src/main/java/org/tinytim/utils/CollectionFactory.java	                        (rev 0)
+++ tinytim/trunk/src/main/java/org/tinytim/utils/CollectionFactory.java	2008-08-11 12:21:38 UTC (rev 112)
@@ -0,0 +1,108 @@
+/*
+ * This is tinyTiM, a tiny Topic Maps engine.
+ *
+ * Copyright (C) 2008 Lars Heuer (heuer[at]semagia.com)
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+package org.tinytim.utils;
+
+import java.util.Map;
+import java.util.Set;
+
+
+
+/**
+ * 
+ * 
+ * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a>
+ * @version $Rev:$ - $Date:$
+ */
+public final class CollectionFactory {
+    
+    private static final String _COLL_FACTORY_TROVE = "org.tinytim.utils.TroveCollectionFactory";
+    
+    private static final ICollectionFactory _COLL_FACTORY;
+
+    static {
+        ICollectionFactory collFactory;
+        try {
+            Class.forName("gnu.trove.THashSet");
+            collFactory = (ICollectionFactory) Class.forName(_COLL_FACTORY_TROVE).newInstance();
+        }
+        catch (Exception ex) {
+            collFactory = new JavaCollectionFactory();
+        }
+        _COLL_FACTORY = collFactory;
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.utils.ICollectionFactory#createIdentityMap()
+     */
+    public static <K, V> Map<K, V> createIdentityMap() {
+        return _COLL_FACTORY.createIdentityMap();
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.utils.ICollectionFactory#createIdentityMap(int)
+     */
+    public static <K, V> Map<K, V> createIdentityMap(int size) {
+        return _COLL_FACTORY.createIdentityMap(size);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.utils.ICollectionFactory#createIdentitySet(int)
+     */
+    public static <E> Set<E> createIdentitySet(int size) {
+        return _COLL_FACTORY.createIdentitySet(size);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.utils.ICollectionFactory#createIdentitySet()
+     */
+    public static <E> Set<E> createIdentitySet() {
+        return _COLL_FACTORY.createIdentitySet();
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.utils.ICollectionFactory#createMap()
+     */
+    public static <K, V> Map<K, V> createMap() {
+        return _COLL_FACTORY.createMap();
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.utils.ICollectionFactory#createMap(int)
+     */
+    public static <K, V> Map<K, V> createMap(int size) {
+        return _COLL_FACTORY.createMap(size);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.utils.ICollectionFactory#createSet(int)
+     */
+    public static <E> Set<E> createSet(int size) {
+        return _COLL_FACTORY.createSet(size);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.utils.ICollectionFactory#createSet()
+     */
+    public static <E> Set<E> createSet() {
+        return _COLL_FACTORY.createSet();
+    }
+
+}


Property changes on: tinytim/trunk/src/main/java/org/tinytim/utils/CollectionFactory.java
___________________________________________________________________
Added: svn:keywords
   + Rev Date Id
Added: svn:eol-style
   + native

Added: tinytim/trunk/src/main/java/org/tinytim/utils/IIntObjectMap.java
===================================================================
--- tinytim/trunk/src/main/java/org/tinytim/utils/IIntObjectMap.java	                        (rev 0)
+++ tinytim/trunk/src/main/java/org/tinytim/utils/IIntObjectMap.java	2008-08-11 12:21:38 UTC (rev 112)
@@ -0,0 +1,36 @@
+/*
+ * This is tinyTiM, a tiny Topic Maps engine.
+ *
+ * Copyright (C) 2008 Lars Heuer (heuer[at]semagia.com)
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+package org.tinytim.utils;
+
+/**
+ * 
+ * 
+ * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a>
+ * @version $Rev:$ - $Date:$
+ */
+public interface IIntObjectMap<V> {
+
+    public V put(int key, V value);
+
+    public V get(int key);
+
+    public void clear();
+}


Property changes on: tinytim/trunk/src/main/java/org/tinytim/utils/IIntObjectMap.java
___________________________________________________________________
Added: svn:keywords
   + Rev Date Id
Added: svn:eol-style
   + native

Added: tinytim/trunk/src/main/java/org/tinytim/utils/IntObjectMap.java
===================================================================
--- tinytim/trunk/src/main/java/org/tinytim/utils/IntObjectMap.java	                        (rev 0)
+++ tinytim/trunk/src/main/java/org/tinytim/utils/IntObjectMap.java	2008-08-11 12:21:38 UTC (rev 112)
@@ -0,0 +1,57 @@
+/*
+ * This is tinyTiM, a tiny Topic Maps engine.
+ *
+ * Copyright (C) 2008 Lars Heuer (heuer[at]semagia.com)
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+package org.tinytim.utils;
+
+/**
+ * 
+ * 
+ * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a>
+ * @version $Rev:$ - $Date:$
+ */
+public class IntObjectMap {
+
+    private static final boolean _TROVE_AVAILABLE;
+
+    static {
+        boolean available = false;
+        try {
+            // Probe if Trove is available.
+            Class.forName("gnu.trove.THashSet");
+            available = true;
+        }
+        catch (Exception ex) {
+
+        }
+        _TROVE_AVAILABLE = available;
+    }
+
+    private IntObjectMap() {
+        // noop.
+    }
+
+    public static <V> IIntObjectMap<V> create() {
+        return _TROVE_AVAILABLE ? new TroveIntObjectMap<V>() : new JavaIntObjectMap<V>();
+    }
+
+    public static <V> IIntObjectMap<V> create(int size) {
+        return _TROVE_AVAILABLE ? new TroveIntObjectMap<V>(size) : new JavaIntObjectMap<V>(size);
+    }
+}


Property changes on: tinytim/trunk/src/main/java/org/tinytim/utils/IntObjectMap.java
___________________________________________________________________
Added: svn:keywords
   + Rev Date Id
Added: svn:eol-style
   + native

Added: tinytim/trunk/src/main/java/org/tinytim/utils/JavaCollectionFactory.java
===================================================================
--- tinytim/trunk/src/main/java/org/tinytim/utils/JavaCollectionFactory.java	                        (rev 0)
+++ tinytim/trunk/src/main/java/org/tinytim/utils/JavaCollectionFactory.java	2008-08-11 12:21:38 UTC (rev 112)
@@ -0,0 +1,160 @@
+/*
+ * This is tinyTiM, a tiny Topic Maps engine.
+ *
+ * Copyright (C) 2008 Lars Heuer (heuer[at]semagia.com)
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+package org.tinytim.utils;
+
+import java.util.AbstractSet;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.IdentityHashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Set;
+
+
+/**
+ * {@link ICollectionFactory} which uses the standard Java collections.
+ * 
+ * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a>
+ * @version $Rev$ - $Date$
+ */
+final class JavaCollectionFactory implements ICollectionFactory {
+
+    /* (non-Javadoc)
+     * @see org.tinytim.ICollectionFactory#createMap(int)
+     */
+    public <K, V> Map<K, V> createMap(int size) {
+        return new HashMap<K, V>(size);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.ICollectionFactory#createMap()
+     */
+    public <K, V> Map<K, V> createMap() {
+        return new HashMap<K, V>();
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.ICollectionFactory#createIdentityMap()
+     */
+    public <K, V> Map<K, V> createIdentityMap() {
+        return new IdentityHashMap<K,V>();
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.ICollectionFactory#createIdentityMap(int)
+     */
+    public <K, V> Map<K, V> createIdentityMap(int size) {
+        return new IdentityHashMap<K,V>(size);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.ICollectionFactory#createSet(int)
+     */
+    public <E> Set<E> createSet(int size) {
+        return new HashSet<E>(size);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.ICollectionFactory#createSet()
+     */
+    public <E> Set<E> createSet() {
+        return new HashSet<E>();
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.ICollectionFactory#createIdentitySet()
+     */
+    public <E> Set<E> createIdentitySet() {
+        return new IdentityHashSet<E>();
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.ICollectionFactory#createIdentitySet(int)
+     */
+    public <E> Set<E> createIdentitySet(int size) {
+        return new IdentityHashSet<E>(size);
+    }
+
+    /**
+     * {@link java.util.Set} implementation that compares its elements by 
+     * identity.
+     */
+    private static class IdentityHashSet<E> extends AbstractSet<E> {
+
+        private final Map<E, Boolean> _map;
+
+        public IdentityHashSet() {
+            _map = new IdentityHashMap<E, Boolean>();
+        }
+
+        public IdentityHashSet(int size) {
+            _map = new IdentityHashMap<E, Boolean>(size);
+        }
+
+        /* (non-Javadoc)
+         * @see java.util.AbstractCollection#add(java.lang.Object)
+         */
+        @Override
+        public boolean add(E obj) {
+            return _map.put(obj, Boolean.TRUE) == null;
+        }
+
+        /* (non-Javadoc)
+         * @see java.util.AbstractCollection#remove(java.lang.Object)
+         */
+        @Override
+        public boolean remove(Object obj) {
+            return _map.remove(obj) != null;
+        }
+
+        /* (non-Javadoc)
+         * @see java.util.AbstractCollection#contains(java.lang.Object)
+         */
+        @Override
+        public boolean contains(Object obj) {
+            return _map.containsKey(obj);
+        }
+
+        /* (non-Javadoc)
+         * @see java.util.AbstractCollection#iterator()
+         */
+        @Override
+        public Iterator<E> iterator() {
+            return _map.keySet().iterator();
+        }
+
+        /* (non-Javadoc)
+         * @see java.util.AbstractCollection#size()
+         */
+        @Override
+        public int size() {
+            return _map.size();
+        }
+
+        /* (non-Javadoc)
+         * @see java.util.AbstractCollection#clear()
+         */
+        @Override
+        public void clear() {
+            _map.clear();
+        }
+    }
+}


Property changes on: tinytim/trunk/src/main/java/org/tinytim/utils/JavaCollectionFactory.java
___________________________________________________________________
Added: svn:keywords
   + Rev Date Id
Added: svn:eol-style
   + native

Added: tinytim/trunk/src/main/java/org/tinytim/utils/JavaIntObjectMap.java
===================================================================
--- tinytim/trunk/src/main/java/org/tinytim/utils/JavaIntObjectMap.java	                        (rev 0)
+++ tinytim/trunk/src/main/java/org/tinytim/utils/JavaIntObjectMap.java	2008-08-11 12:21:38 UTC (rev 112)
@@ -0,0 +1,62 @@
+/*
+ * This is tinyTiM, a tiny Topic Maps engine.
+ *
+ * Copyright (C) 2008 Lars Heuer (heuer[at]semagia.com)
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+package org.tinytim.utils;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 
+ * 
+ * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a>
+ * @version $Rev:$ - $Date:$
+ */
+final class JavaIntObjectMap<V> implements IIntObjectMap<V> {
+
+    private final Map<Integer, V> _map;
+
+    JavaIntObjectMap() {
+        _map = new HashMap<Integer, V>();
+    }
+
+    JavaIntObjectMap(int size) {
+        _map = new HashMap<Integer, V>(size);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.utils.IIntObjectMap#get(int)
+     */
+    public V get(int key) {
+        return _map.get(key);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.utils.IIntObjectMap#put(int, java.lang.Object)
+     */
+    public V put(int key, V value) {
+        return _map.put(Integer.valueOf(key), value);
+    }
+
+    public void clear() {
+        _map.clear();
+    }
+
+}


Property changes on: tinytim/trunk/src/main/java/org/tinytim/utils/JavaIntObjectMap.java
___________________________________________________________________
Added: svn:keywords
   + Rev Date Id
Added: svn:eol-style
   + native

Added: tinytim/trunk/src/main/java/org/tinytim/utils/TroveCollectionFactory.java
===================================================================
--- tinytim/trunk/src/main/java/org/tinytim/utils/TroveCollectionFactory.java	                        (rev 0)
+++ tinytim/trunk/src/main/java/org/tinytim/utils/TroveCollectionFactory.java	2008-08-11 12:21:38 UTC (rev 112)
@@ -0,0 +1,97 @@
+/*
+ * This is tinyTiM, a tiny Topic Maps engine.
+ *
+ * Copyright (C) 2008 Lars Heuer (heuer[at]semagia.com)
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+package org.tinytim.utils;
+
+import gnu.trove.THashMap;
+import gnu.trove.THashSet;
+import gnu.trove.TObjectIdentityHashingStrategy;
+
+import java.util.Map;
+import java.util.Set;
+
+
+/**
+ * {@link ICollectionFactory} which uses the
+ * <a href="http://sourceforge.net/projects/trove4j/">Trove library </a>.
+ * 
+ * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a>
+ * @version $Rev$ - $Date$
+ */
+final class TroveCollectionFactory implements ICollectionFactory {
+
+    /* (non-Javadoc)
+     * @see org.tinytim.ICollectionFactory#createMap(int)
+     */
+    public <K, V> Map<K, V> createMap(int size) {
+        return new THashMap<K,V>(size);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.ICollectionFactory#createMap()
+     */
+    public <K, V> Map<K, V> createMap() {
+        return new THashMap<K, V>();
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.ICollectionFactory#createIdentityMap()
+     */
+    public <K, V> Map<K, V> createIdentityMap() {
+        return new THashMap<K, V>(new TObjectIdentityHashingStrategy<K>());
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.ICollectionFactory#createIdentityMap(int)
+     */
+    public <K, V> Map<K, V> createIdentityMap(int size) {
+        return new THashMap<K, V>(size, new TObjectIdentityHashingStrategy<K>());
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.ICollectionFactory#createSet(int)
+     */
+    public <E> Set<E> createSet(int size) {
+        return new THashSet<E>(size);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.ICollectionFactory#createSet()
+     */
+    public <E> Set<E> createSet() {
+        return new THashSet<E>();
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.ICollectionFactory#createIdentitySet()
+     */
+    public <E> Set<E> createIdentitySet() {
+        return new THashSet<E>(new TObjectIdentityHashingStrategy<E>());
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.core.ICollectionFactory#createIdentitySet(int)
+     */
+    public <E> Set<E> createIdentitySet(int size) {
+        return new THashSet<E>(size, new TObjectIdentityHashingStrategy<E>());
+    }
+
+
+}


Property changes on: tinytim/trunk/src/main/java/org/tinytim/utils/TroveCollectionFactory.java
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Added: svn:keywords
   + Rev Date Id
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   + native

Added: tinytim/trunk/src/main/java/org/tinytim/utils/TroveIntObjectMap.java
===================================================================
--- tinytim/trunk/src/main/java/org/tinytim/utils/TroveIntObjectMap.java	                        (rev 0)
+++ tinytim/trunk/src/main/java/org/tinytim/utils/TroveIntObjectMap.java	2008-08-11 12:21:38 UTC (rev 112)
@@ -0,0 +1,61 @@
+/*
+ * This is tinyTiM, a tiny Topic Maps engine.
+ *
+ * Copyright (C) 2008 Lars Heuer (heuer[at]semagia.com)
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+package org.tinytim.utils;
+
+import gnu.trove.TIntObjectHashMap;
+
+/**
+ * 
+ * 
+ * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a>
+ * @version $Rev:$ - $Date:$
+ */
+final class TroveIntObjectMap<V> implements IIntObjectMap<V> {
+
+    private final TIntObjectHashMap<V> _map;
+
+    TroveIntObjectMap() {
+        _map = new TIntObjectHashMap<V>();
+    }
+
+    TroveIntObjectMap(int size) {
+        _map = new TIntObjectHashMap<V>(size);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.utils.IIntObjectMap#get(int)
+     */
+    public V get(int key) {
+        return _map.get(key);
+    }
+
+    /* (non-Javadoc)
+     * @see org.tinytim.utils.IIntObjectMap#put(int, java.lang.Object)
+     */
+    public V put(int key, V value) {
+        return _map.put(key, value);
+    }
+
+    public void clear() {
+        _map.clear();
+    }
+
+}


Property changes on: tinytim/trunk/src/main/java/org/tinytim/utils/TroveIntObjectMap.java
___________________________________________________________________
Added: svn:keywords
   + Rev Date Id
Added: svn:eol-style
   + native

Added: tinytim/trunk/src/main/java/org/tinytim/utils/WeakObjectRegistry.java
===================================================================
--- tinytim/trunk/src/main/java/org/tinytim/utils/WeakObjectRegistry.java	                        (rev 0)
+++ tinytim/trunk/src/main/java/org/tinytim/utils/WeakObjectRegistry.java	2008-08-11 12:21:38 UTC (rev 112)
@@ -0,0 +1,105 @@
+/*
+ * This is tinyTiM, a tiny Topic Maps engine.
+ *
+ * Copyright (C) 2008 Lars Heuer (heuer[at]semagia.com)
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+package org.tinytim.utils;
+
+import java.lang.ref.WeakReference;
+import java.util.AbstractSet;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.WeakHashMap;
+
+/**
+ * 
+ * 
+ * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a>
+ * @version $Rev:$ - $Date:$
+ */
+public final class WeakObjectRegistry<E> extends AbstractSet<E> {
+
+    private final Map<E, WeakReference<E>> _obj2Ref;
+
+    public WeakObjectRegistry() {
+        super();
+        _obj2Ref = new WeakHashMap<E, WeakReference<E>>();
+    }
+
+    /**
+     * 
+     *
+     * @param key
+     * @return
+     */
+    public E get(Object key) {
+        WeakReference<E> weakRef = _obj2Ref.get(key);
+        return weakRef != null ? weakRef.get() : null;
+    }
+
+    /* (non-Javadoc)
+     * @see java.util.AbstractCollection#add(java.lang.Object)
+     */
+    @Override
+    public boolean add(E obj) {
+        WeakReference<E> ref = new WeakReference<E>(obj);
+        ref = _obj2Ref.put(obj, ref);
+        return ref != null && ref.get() != null;
+    }
+
+    /* (non-Javadoc)
+     * @see java.util.AbstractCollection#remove(java.lang.Object)
+     */
+    @Override
+    public boolean remove(Object obj) {
+        WeakReference<E> ref = _obj2Ref.remove(obj);
+        return ref != null && ref.get() != null;
+    }
+
+    /* (non-Javadoc)
+     * @see java.util.AbstractCollection#clear()
+     */
+    @Override
+    public void clear() {
+        _obj2Ref.clear();
+    }
+
+    /* (non-Javadoc)
+     * @see java.util.AbstractCollection#contains(java.lang.Object)
+     */
+    @Override
+    public boolean contains(Object obj) {
+        return get(obj) != null;
+    }
+
+    /* (non-Javadoc)
+     * @see java.util.AbstractCollection#iterator()
+     */
+    @Override
+    public Iterator<E> iterator() {
+        return _obj2Ref.keySet().iterator();
+    }
+
+    /* (non-Javadoc)
+     * @see java.util.AbstractCollection#size()
+     */
+    @Override
+    public int size() {
+        return _obj2Ref.size();
+    }
+}


Property changes on: tinytim/trunk/src/main/java/org/tinytim/utils/WeakObjectRegistry.java
___________________________________________________________________
Added: svn:keywords
   + Rev Date Id
Added: svn:eol-style
   + native


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