Merge pull request #146 from TileDB-Inc/ss/add-cpoint-native-array-util

Add helper function to get the c pointer for a NativeArray

Author: gsvic

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

@@ -559,7 +559,7 @@ public void setItem(int index, Object value) throws ArrayIndexOutOfBoundsExcepti
     }
   }
 
-  protected SWIGTYPE_p_void toVoidPointer() throws TileDBError {
+  public SWIGTYPE_p_void toVoidPointer() throws TileDBError {
     switch (nativeType) {
       case TILEDB_FLOAT32:
         {
@@ -627,6 +627,74 @@ protected SWIGTYPE_p_void toVoidPointer() throws TileDBError {
     }
   }
 
+  public long toCPointer() throws TileDBError {
+    switch (nativeType) {
+      case TILEDB_FLOAT32:
+        {
+          return PointerUtils.toCPtr(floatArray);
+        }
+      case TILEDB_FLOAT64:
+        {
+          return PointerUtils.toCPtr(doubleArray);
+        }
+      case TILEDB_INT8:
+        {
+          return PointerUtils.toCPtr(int8_tArray);
+        }
+      case TILEDB_INT16:
+        {
+          return PointerUtils.toCPtr(int16_tArray);
+        }
+      case TILEDB_INT32:
+        {
+          return PointerUtils.toCPtr(int32_tArray);
+        }
+      case TILEDB_INT64:
+        {
+          return PointerUtils.toCPtr(int64_tArray);
+        }
+      case TILEDB_UINT8:
+        {
+          return PointerUtils.toCPtr(uint8_tArray);
+        }
+      case TILEDB_UINT16:
+        {
+          return PointerUtils.toCPtr(uint16_tArray);
+        }
+      case TILEDB_UINT32:
+        {
+          return PointerUtils.toCPtr(uint32_tArray);
+        }
+      case TILEDB_UINT64:
+        {
+          return PointerUtils.toCPtr(uint64_tArray);
+        }
+      case TILEDB_CHAR:
+        {
+          return PointerUtils.toCPtr(int8_tArray);
+        }
+      case TILEDB_DATETIME_YEAR:
+      case TILEDB_DATETIME_MONTH:
+      case TILEDB_DATETIME_WEEK:
+      case TILEDB_DATETIME_DAY:
+      case TILEDB_DATETIME_HR:
+      case TILEDB_DATETIME_MIN:
+      case TILEDB_DATETIME_SEC:
+      case TILEDB_DATETIME_MS:
+      case TILEDB_DATETIME_US:
+      case TILEDB_DATETIME_NS:
+      case TILEDB_DATETIME_PS:
+      case TILEDB_DATETIME_FS:
+        {
+          return PointerUtils.toCPtr(int64_tArray);
+        }
+      default:
+        {
+          throw new TileDBError("Unsupported TileDB NativeArray Datatype enum: " + this.nativeType);
+        }
+    }
+  }
+
   /**
    * Return a Java array (i.e. int[], long[]) that is a copy of the entire native array
    *

src/main/java/io/tiledb/libtiledb/PointerUtils.java

@@ -46,6 +46,50 @@ public static SWIGTYPE_p_void toVoid(uint64_tArray p) {
     return new SWIGTYPE_p_void(uint64_tArray.getCPtr(p), false);
   }
 
+  public static long toCPtr(int32_tArray p) {
+    return int32_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(int64_tArray p) {
+    return int64_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(charArray p) {
+    return charArray.getCPtr(p);
+  }
+
+  public static long toCPtr(floatArray p) {
+    return floatArray.getCPtr(p);
+  }
+
+  public static long toCPtr(doubleArray p) {
+    return doubleArray.getCPtr(p);
+  }
+
+  public static long toCPtr(int8_tArray p) {
+    return int8_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(uint8_tArray p) {
+    return uint8_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(int16_tArray p) {
+    return int16_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(uint16_tArray p) {
+    return uint16_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(uint32_tArray p) {
+    return uint32_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(uint64_tArray p) {
+    return uint64_tArray.getCPtr(p);
+  }
+
   public static int32_tArray int32_tArrayFromVoid(SWIGTYPE_p_void p) {
     return new int32_tArray(SWIGTYPE_p_void.getCPtr(p), false);
   }

swig/customCode/PointerUtils.java

@@ -46,6 +46,50 @@ public static SWIGTYPE_p_void toVoid(uint64_tArray p) {
     return new SWIGTYPE_p_void(uint64_tArray.getCPtr(p), false);
   }
 
+  public static long toCPtr(int32_tArray p) {
+    return int32_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(int64_tArray p) {
+    return int64_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(charArray p) {
+    return charArray.getCPtr(p);
+  }
+
+  public static long toCPtr(floatArray p) {
+    return floatArray.getCPtr(p);
+  }
+
+  public static long toCPtr(doubleArray p) {
+    return doubleArray.getCPtr(p);
+  }
+
+  public static long toCPtr(int8_tArray p) {
+    return int8_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(uint8_tArray p) {
+    return uint8_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(int16_tArray p) {
+    return int16_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(uint16_tArray p) {
+    return uint16_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(uint32_tArray p) {
+    return uint32_tArray.getCPtr(p);
+  }
+
+  public static long toCPtr(uint64_tArray p) {
+    return uint64_tArray.getCPtr(p);
+  }
+
   public static int32_tArray int32_tArrayFromVoid(SWIGTYPE_p_void p) {
     return new int32_tArray(SWIGTYPE_p_void.getCPtr(p), false);
   }