Support dimension filter list [ch1880]

Author: gsvic

src/main/java/io/tiledb/java/api/Dimension.java

@@ -215,6 +215,39 @@ public T getTileExtent() throws TileDBError {
     return tileExtent;
   }
 
+  /**
+   * Gets the list of filtes associated with the dimension
+   *
+   * @return A FilterList instance
+   * @throws TileDBError A TileDB exception
+   */
+  public FilterList getFilterList() throws TileDBError {
+    FilterList filterlist;
+    SWIGTYPE_p_p_tiledb_filter_list_t filterlistpp = tiledb.new_tiledb_filter_list_tpp();
+    try {
+      ctx.handleError(
+          tiledb.tiledb_dimension_get_filter_list(ctx.getCtxp(), dimensionp, filterlistpp));
+      filterlist = new FilterList(ctx, filterlistpp);
+    } catch (TileDBError err) {
+      tiledb.delete_tiledb_filter_list_tpp(filterlistpp);
+      throw err;
+    }
+    return filterlist;
+  }
+
+  /**
+   * Sets the Dimension FilterList.
+   *
+   * @param filters A TileDB FilterList
+   * @throws TileDBError A TileDB exception
+   */
+  public Dimension<T> setFilterList(FilterList filters) throws TileDBError {
+    ctx.handleError(
+        tiledb.tiledb_dimension_set_filter_list(
+            ctx.getCtxp(), dimensionp, filters.getFilterListp()));
+    return this;
+  }
+
   /**
    * @return A string representation of the extent.
    * @throws TileDBError A TileDB exception

src/test/java/io/tiledb/java/api/DimensionTest.java

@@ -9,11 +9,28 @@ public class DimensionTest {
   public void testDimension() throws Exception {
     try (Context ctx = new Context();
         Dimension<Integer> dim = new Dimension<>(ctx, "d1", Integer.class, new Pair<>(1, 10), 10)) {
+      try (FilterList filterList = new FilterList(ctx)) {
+        filterList.addFilter(new GzipFilter(ctx, 3));
+        filterList.addFilter(new Bzip2Filter(ctx, 1));
+        filterList.addFilter(new DoubleDeltaFilter(ctx, -1));
+        dim.setFilterList(filterList);
+      }
       Assert.assertEquals("d1", dim.getName());
       Assert.assertEquals(Datatype.TILEDB_INT32, dim.getType());
       Assert.assertEquals((Integer) 10, dim.getTileExtent());
       Assert.assertEquals((Integer) 1, dim.getDomain().getFirst());
       Assert.assertEquals((Integer) 10, dim.getDomain().getSecond());
+
+      // Filter List Tests
+      FilterList filterList = dim.getFilterList();
+      Assert.assertEquals(GzipFilter.class, filterList.getFilter(0).getClass());
+      Assert.assertEquals(3, ((GzipFilter) filterList.getFilter(0)).getLevel());
+
+      Assert.assertEquals(Bzip2Filter.class, filterList.getFilter(1).getClass());
+      Assert.assertEquals(1, ((Bzip2Filter) filterList.getFilter(1)).getLevel());
+
+      Assert.assertEquals(DoubleDeltaFilter.class, filterList.getFilter(2).getClass());
+      Assert.assertEquals(-1, ((DoubleDeltaFilter) filterList.getFilter(2)).getLevel());
     }
   }