Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / variable / VariableReference.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/VariableReference.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/VariableReference.java
new file mode 100644 (file)
index 0000000..97e897f
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/VariableReference.java
@@ -0,0 +1,70 @@
+package org.simantics.db.layer0.variable;\r
+\r
+import org.simantics.databoard.type.Datatype;\r
+import org.simantics.utils.ObjectUtils;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class VariableReference {\r
+\r
+    public final RVI variableId;\r
+\r
+    public final Datatype datatype;\r
+\r
+    public String label;\r
+\r
+    public static VariableReference of(RVI variableId, Datatype datatype, String label) {\r
+        return new VariableReference(variableId, datatype, label);\r
+    }\r
+\r
+    public VariableReference(RVI variableId, Datatype datatype, String label) {\r
+        if (variableId == null)\r
+            throw new NullPointerException("null variable reference");\r
+        this.variableId = variableId;\r
+        this.datatype = datatype;\r
+        this.label = label;\r
+    }\r
+    \r
+    public RVI getVariableId() {\r
+        return variableId;\r
+    }\r
+\r
+    public Datatype getDatatype() {\r
+        return datatype;\r
+    }\r
+\r
+    public String getLabel() {\r
+        return label;\r
+    }\r
+\r
+    @Override\r
+    public int hashCode() {\r
+        return ObjectUtils.hashCode(datatype) * 31 + variableId.hashCode();\r
+    }\r
+\r
+    @Override\r
+    public boolean equals(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
+        VariableReference other = (VariableReference) obj;\r
+        return variableId.equals(other.variableId) && ObjectUtils.objectEquals(datatype, other.datatype);\r
+//                && ObjectUtils.objectEquals(label, other.label);\r
+    }\r
+\r
+    @Override\r
+    public String toString() {\r
+        StringBuilder sb = new StringBuilder();\r
+        sb.append(variableId);\r
+        if (datatype != null)\r
+            sb.append(" : ").append(datatype.toSingleLineString());\r
+        if (label != null)\r
+            sb.append(" (").append(label).append(")");\r
+        return sb.toString();\r
+    }\r
+\r
+}\r