Java API: a first version that compiles. This is still untested.

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>

src/api/java/RelationSort.java

@@ -0,0 +1,46 @@
+/**
+ * This file was automatically generated from RelationSort.cs 
+ * w/ further modifications by:
+ * @author Christoph M. Wintersteiger (cwinter)
+ **/
+
+package com.Microsoft.Z3;
+
+/**
+ * Relation sorts.
+ **/
+public class RelationSort extends Sort
+{
+    /**
+     * The arity of the relation sort.
+     **/
+    public int Arity()
+    {
+        return Native.getRelationArity(Context().nCtx(), NativeObject());
+    }
+
+    /**
+     * The sorts of the columns of the relation sort.
+     * @throws Z3Exception 
+     **/
+    public Sort[] ColumnSorts() throws Z3Exception
+    {
+
+        if (m_columnSorts != null)
+            return m_columnSorts;
+
+        int n = Arity();
+        Sort[] res = new Sort[n];
+        for (int i = 0; i < n; i++)
+            res[i] = Sort.Create(Context(), Native.getRelationColumn(Context()
+                    .nCtx(), NativeObject(), i));
+        return res;
+    }
+
+    private Sort[] m_columnSorts = null;
+
+    RelationSort(Context ctx, long obj) throws Z3Exception
+    {
+        super(ctx, obj);
+    }
+}