Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.graph.impl / src / org / simantics / browsing / ui / graph / impl / ResourceProperty.java

diff --git a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/ResourceProperty.java b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/ResourceProperty.java
new file mode 100644 (file)
index 0000000..df09d75
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/ResourceProperty.java
@@ -0,0 +1,117 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in 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.browsing.ui.graph.impl;\r
+\r
+import org.simantics.browsing.ui.common.property.IProperty;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.ResourceArray;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class ResourceProperty implements IProperty {\r
+\r
+    protected final Type          type;\r
+\r
+    protected final Resource      subject;\r
+    protected final Resource      predicate;\r
+    protected final Resource      value;\r
+    protected final ResourceArray path;\r
+\r
+    public ResourceProperty(Type type, Resource subject, Resource predicate, Resource value, ResourceArray path) {\r
+        this.type = type;\r
+        this.subject = subject;\r
+        this.predicate = predicate;\r
+        this.value = value;\r
+        this.path = path;\r
+    }\r
+\r
+    @Override\r
+    public Type getType() {\r
+        return type;\r
+    }\r
+\r
+    @SuppressWarnings("unchecked")\r
+    @Override\r
+    public <T> T getData(Class<T> clazz) {\r
+        T t = (T) getAdapter(clazz);\r
+        if (t != null)\r
+            return t;\r
+        throw new ClassCastException("class " + clazz.getCanonicalName() + " not adaptable from " + toString());\r
+    }\r
+\r
+    @Override\r
+    public String toString() {\r
+        return getClass().getSimpleName() + "[subject=" + subject + ", predicate=" + predicate + ", value=" + value\r
+        + ", path=" + path + "]";\r
+    }\r
+\r
+    @SuppressWarnings({ "rawtypes", "unchecked" })\r
+    @Override\r
+    public Object getAdapter(Class adapter) {\r
+        return adapt(adapter);\r
+    }\r
+\r
+    @SuppressWarnings("unchecked")\r
+    @Override\r
+    public <T> T adapt(Class<T> adapter) {\r
+        if (adapter == ResourceArray[].class)\r
+            return (T) new ResourceArray[] { new ResourceArray(subject, predicate, value), path };\r
+        if (adapter == ResourceArray.class)\r
+            return (T) new ResourceArray(subject, predicate, value);\r
+        if (adapter == Resource[].class)\r
+            return (T) new Resource[] { subject, predicate, value };\r
+        if (adapter == Resource.class)\r
+            // Return the object of the specified statement\r
+            return (T) value;\r
+        return null;\r
+    }\r
+\r
+    @Override\r
+    public int propertyHashCode() {\r
+        final int prime = 31;\r
+        int result = 1;\r
+        result = prime * result + subject.hashCode();\r
+        result = prime * result + predicate.hashCode();\r
+        result = prime * result + path.hashCode();\r
+        return result;\r
+    }\r
+\r
+    @Override\r
+    public boolean propertyEquals(Object obj) {\r
+        if (this == obj)\r
+            return true;\r
+        if (obj == null)\r
+            return false;\r
+        if (getClass() != obj.getClass())\r
+            return false;\r
+        ResourceProperty other = (ResourceProperty) obj;\r
+        return subject.equals(other.subject) && predicate.equals(other.predicate) && path.equals(other.path);\r
+    }\r
+\r
+    @Override\r
+    public int hashCode() {\r
+        return propertyHashCode() * 31 + value.hashCode();\r
+    }\r
+\r
+    @Override\r
+    public boolean equals(Object obj) {\r
+        if (this == obj)\r
+            return true;\r
+        if (!propertyEquals(obj))\r
+            return false;\r
+        ResourceProperty other = (ResourceProperty) obj;\r
+        return value.equals(other.value) && type.equals(other.type);\r
+\r
+    }\r
+\r
+}\r