--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2010 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.databoard.binding.impl;\r
+\r
+import java.util.List;\r
+import java.util.Map;\r
+import java.util.Set;\r
+import java.util.TreeSet;\r
+\r
+import org.simantics.databoard.binding.ArrayBinding;\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.databoard.binding.MapBinding;\r
+import org.simantics.databoard.binding.error.BindingException;\r
+import org.simantics.databoard.binding.reflection.VoidBinding;\r
+import org.simantics.databoard.type.MapType;\r
+import org.simantics.databoard.type.RecordType;\r
+\r
+/**\r
+ * Binds java.util.Set to Map(T, {})\r
+ * \r
+ * This binding accepts all java.util.Set instances, but instantiates\r
+ * java.util.TreeSet objects.\r
+ *\r
+ * @author Reino Ruusu <reino.ruusu@vtt.fi>\r
+ */\r
+@SuppressWarnings("unchecked")\r
+public class DefaultSetBinding extends MapBinding {\r
+ \r
+ public DefaultSetBinding(MapType mapType, Binding elementBinding) {\r
+ super(mapType, elementBinding, VoidBinding.VOID_BINDING);\r
+ }\r
+ \r
+ public DefaultSetBinding(Binding elementBinding) {\r
+ super(new MapType(elementBinding.type(), RecordType.VOID_TYPE), elementBinding, VoidBinding.VOID_BINDING);\r
+ }\r
+\r
+ @Override\r
+ public void clear(Object set) throws BindingException {\r
+ Set<Object> _set = (Set<Object>) set;\r
+ _set.clear();\r
+ }\r
+\r
+ @Override\r
+ public boolean containsKey(Object set, Object key) throws BindingException {\r
+ Set<Object> _set = (Set<Object>) set;\r
+ return _set.contains(key);\r
+ }\r
+\r
+ @Override\r
+ public boolean containsValue(Object set, Object value)\r
+ throws BindingException {\r
+ return false;\r
+ }\r
+\r
+ @Override\r
+ public Object create() throws BindingException {\r
+ return new TreeSet<Object>( keyBinding );\r
+ }\r
+\r
+ public Object create(Set<?> initialSet) throws BindingException {\r
+ return initialSet;\r
+ }\r
+\r
+ @Override\r
+ public Object create(Map<?, ?> initialMap) throws BindingException {\r
+ Set<Object> result = new TreeSet<Object>( keyBinding );\r
+ result.addAll(initialMap.keySet());\r
+ return result;\r
+ }\r
+\r
+ @Override\r
+ public Object create(Object[] keys, Object[] values)\r
+ throws BindingException { \r
+ Set<Object> result = new TreeSet<Object>( keyBinding );\r
+ for (int i=0; i<keys.length; i++) {\r
+ result.add( keys[i] );\r
+ }\r
+ return result;\r
+ }\r
+ \r
+ @Override\r
+ public Object create(List<Object> keys, List<Object> values) {\r
+ Set<Object> result = new TreeSet<Object>( keyBinding );\r
+ for (int i=0; i<keys.size(); i++)\r
+ result.add(keys.get(i));\r
+ return result;\r
+ } \r
+\r
+ @Override\r
+ public Object get(Object set, Object key) throws BindingException {\r
+ return null;\r
+ }\r
+ \r
+ @Override\r
+ public <K, V> void getAll(Object setFrom, Map<K, V> to) throws BindingException {\r
+ Map<K, V> _to = (Map<K, V>) to;\r
+ Set<K> _setFrom = (Set<K>) setFrom;\r
+ for (K k : _setFrom)\r
+ _to.put(k, null);\r
+ }\r
+\r
+ @Override\r
+ public void getAll(Object setFrom, Object[] keys, Object[] values)\r
+ throws BindingException {\r
+ Set<Object> _setFrom = (Set<Object>) setFrom;\r
+ int i=0;\r
+ for (Object k : _setFrom) {\r
+ keys[i] = k;\r
+ values[i] = null;\r
+ } \r
+ }\r
+\r
+ @Override\r
+ public Object[] getKeys(Object set) throws BindingException {\r
+ Set<Object> _set = (Set<Object>) set;\r
+ return _set.toArray(new Object[_set.size()]);\r
+ }\r
+\r
+ @Override\r
+ public void getKeys(Object set, Set<Object> keys) throws BindingException {\r
+ Set<Object> s = (Set<Object>) set;\r
+ keys.addAll(s);\r
+ }\r
+ \r
+ @Override\r
+ public Object[] getValues(Object set) throws BindingException {\r
+ Set<Object> _set = (Set<Object>) set;\r
+ return new Object[_set.size()];\r
+ }\r
+ \r
+ @Override\r
+ public int count(Object src, Object from, boolean fromInclusive, Object end, boolean endInclusive) throws BindingException {\r
+ if (src instanceof TreeSet)\r
+ return new TreeSetBinding(keyBinding).count(src, from, fromInclusive, end, endInclusive);\r
+ else\r
+ return new HashSetBinding(keyBinding).count(src, from, fromInclusive, end, endInclusive);\r
+ }\r
+ \r
+ @Override\r
+ public int getEntries(Object src, Object from, boolean fromInclusive, Object end, boolean endInclusive, ArrayBinding dstKeyArrayBinding, Object dstKeyArray, ArrayBinding dstValueArrayBinding, Object dstValueArray, int limit) throws BindingException {\r
+ return 0;\r
+ }\r
+\r
+ @Override\r
+ public void put(Object set, Object key, Object value)\r
+ throws BindingException {\r
+ Set<Object> _set = (Set<Object>) set;\r
+ if (value!=null) throw new BindingException("Cannot put non-null to a Set");\r
+ _set.add(key);\r
+ }\r
+\r
+ public void putAll(Object setTo, Set<?> from) {\r
+ Set<Object> _set = (Set<Object>) setTo;\r
+ _set.addAll(from);\r
+ }\r
+ \r
+ @Override\r
+ public <K,V> void putAll(Object setTo, Map<K,V> from) throws BindingException {\r
+ Set<Object> _set = (Set<Object>) setTo;\r
+ _set.addAll(from.keySet());\r
+ }\r
+\r
+ @Override\r
+ public Object remove(Object set, Object key) throws BindingException {\r
+ Set<Object> _set = (Set<Object>) set;\r
+ _set.remove(key);\r
+ return null;\r
+ }\r
+\r
+ @Override\r
+ public int size(Object set) throws BindingException {\r
+ Set<Object> _set = (Set<Object>) set;\r
+ return _set.size();\r
+ }\r
+\r
+ @Override\r
+ public boolean isInstance(Object obj) {\r
+ return obj instanceof Set;\r
+ }\r
+\r
+ @Override\r
+ public Object getCeilingKey(Object set, Object key) {\r
+ if (set instanceof TreeSet)\r
+ return new TreeSetBinding(keyBinding).getCeilingKey(set, key);\r
+ else\r
+ return new HashSetBinding(keyBinding).getCeilingKey(set, key);\r
+ }\r
+\r
+ @Override\r
+ public Object getFirstKey(Object set) {\r
+ if (set instanceof TreeSet)\r
+ return new TreeSetBinding(keyBinding).getFirstKey(set);\r
+ else\r
+ return new HashSetBinding(keyBinding).getFirstKey(set);\r
+ }\r
+\r
+ @Override\r
+ public Object getFloorKey(Object set, Object key) {\r
+ if (set instanceof TreeSet)\r
+ return new TreeSetBinding(keyBinding).getFloorKey(set, key);\r
+ else\r
+ return new HashSetBinding(keyBinding).getFloorKey(set, key);\r
+ }\r
+\r
+ @Override\r
+ public Object getHigherKey(Object set, Object key) {\r
+ if (set instanceof TreeSet)\r
+ return new TreeSetBinding(keyBinding).getHigherKey(set, key);\r
+ else\r
+ return new HashSetBinding(keyBinding).getHigherKey(set, key);\r
+ }\r
+\r
+ @Override\r
+ public Object getLastKey(Object set) {\r
+ if (set instanceof TreeSet)\r
+ return new TreeSetBinding(keyBinding).getLastKey(set);\r
+ else\r
+ return new HashSetBinding(keyBinding).getLastKey(set);\r
+ }\r
+\r
+ @Override\r
+ public Object getLowerKey(Object set, Object key) {\r
+ if (set instanceof TreeSet)\r
+ return new TreeSetBinding(keyBinding).getLowerKey(set, key);\r
+ else\r
+ return new HashSetBinding(keyBinding).getLowerKey(set, key);\r
+ }\r
+\r
+}\r
+\r
Code Review / simantics / platform.git / blobdiff