HDFFV-10664 minimized dataset headers for java interface

9 files changed, 218 insertions, 4 deletions

diff --git a/java/src/hdf/hdf5lib/H5.java b/java/src/hdf/hdf5lib/H5.java
index e354207..deeda49 100644
--- a/java/src/hdf/hdf5lib/H5.java
+++ b/java/src/hdf/hdf5lib/H5.java
@@ -3229,6 +3229,34 @@ public class H5 implements java.io.Serializable {
     public synchronized static native void H5Fget_mdc_logging_status(long file_id, boolean[] mdc_logging_status)
             throws HDF5LibraryException, NullPointerException;
 
+    /**
+     * H5Fget_dset_no_attrs_hint gets the file-level setting to create minimized dataset object headers.
+     *
+     * @param file_id
+     *            IN: Identifier of the target file.
+     *
+     * @exception HDF5LibraryException
+     *                - Error from the HDF-5 Library.
+     **/
+    public synchronized static native boolean H5Fget_dset_no_attrs_hint(long file_id)
+            throws HDF5LibraryException;
+
+
+    /**
+     * H5Fset_dset_no_attrs_hint sets the file-level setting to create minimized dataset object headers.
+     *
+     * @param file_id
+     *            IN: Identifier of the target file.
+     *
+     * @param minimize
+     *          the minimize hint setting
+     *
+     * @exception HDF5LibraryException
+     *                - Error from the HDF-5 Library.
+     **/
+    public synchronized static native void H5Fset_dset_no_attrs_hint(long file_id, boolean minimize)
+            throws HDF5LibraryException;
+
     // /////// unimplemented ////////
     //  herr_t H5Fget_eoa(hid_t file_id, haddr_t *eoa);
     //  herr_t H5Fincrement_filesize(hid_t file_id, hsize_t increment);
@@ -6922,8 +6950,6 @@ public class H5 implements java.io.Serializable {
     public synchronized static native int H5Pset_fill_time(long plist_id, int fill_time) throws HDF5LibraryException,
     NullPointerException;
 
-    // /////// Dataset creation property list (DCPL) routines ///////
-
     /**
      * H5Pset_chunk_opts Sets the edge chunk option in a dataset creation property list.
      *
@@ -6952,6 +6978,36 @@ public class H5 implements java.io.Serializable {
      **/
     public synchronized static native int H5Pget_chunk_opts(long dcpl_id) throws HDF5LibraryException;
 
+    /**
+     * H5Pget_dset_no_attrs_hint accesses the flag for whether or not datasets created by the given dcpl
+     *     will be created with a "minimized" object header.
+     *
+     * @param dcpl_id
+     *            IN: Dataset creation property list
+     *
+     * @exception HDF5LibraryException
+     *                - Error from the HDF-5 Library.
+     **/
+    public synchronized static native boolean H5Pget_dset_no_attrs_hint(long dcpl_id)
+            throws HDF5LibraryException;
+
+
+    /**
+     * H5Pset_dset_no_attrs_hint sets the dcpl to minimize (or explicitly to not minimized) dataset object
+     *     headers upon creation.
+     *
+     * @param dcpl_id
+     *            IN: Dataset creation property list
+     *
+     * @param minimize
+     *          the minimize hint setting
+     *
+     * @exception HDF5LibraryException
+     *                - Error from the HDF-5 Library.
+     **/
+    public synchronized static native void H5Pset_dset_no_attrs_hint(long dcpl_id, boolean minimize)
+            throws HDF5LibraryException;
+
     // /////// Dataset access property list (DAPL) routines ///////
 
     /**
diff --git a/java/src/jni/h5fImp.c b/java/src/jni/h5fImp.c
index 248e654..7f10ca5 100644
--- a/java/src/jni/h5fImp.c
+++ b/java/src/jni/h5fImp.c
@@ -636,6 +636,50 @@ Java_hdf_hdf5lib_H5_H5Fget_1mdc_1logging_1status
     } /* end else */
 } /* end Java_hdf_hdf5lib_H5_H5Fget_1mdc_1logging_1status */
 
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5Fset_dset_no_attrs_hint
+ * Signature: (JZ)V
+ */
+JNIEXPORT void JNICALL
+Java_hdf_hdf5lib_H5_H5Fset_1dset_1no_1attrs_1hint
+(JNIEnv *env, jclass clss, jlong file_id, jboolean minimize)
+{
+    herr_t   retVal = -1;
+    hbool_t  minimize_val;
+
+    if (minimize == JNI_TRUE)
+        minimize_val = TRUE;
+    else
+        minimize_val = FALSE;
+
+    retVal = H5Fset_dset_no_attrs_hint((hid_t)file_id, (hbool_t)minimize_val);
+    if (retVal < 0)
+        h5libraryError(env);
+}
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5Fget_dset_no_attrs_hint
+ * Signature: (J)Z
+ */
+JNIEXPORT jboolean JNICALL
+Java_hdf_hdf5lib_H5_H5Fget_1dset_1no_1attrs_1hint
+(JNIEnv *env, jclass clss, jlong file_id)
+{
+    hbool_t    minimize = FALSE;
+    jboolean  bval = JNI_FALSE;
+
+    if (H5Fget_dset_no_attrs_hint((hid_t)file_id, (hbool_t *)&minimize) < 0) {
+        h5libraryError(env);
+    }
+    else {
+        if (minimize == TRUE)
+            bval =  JNI_TRUE;
+    } /* end else */
+
+    return bval;
+}
 
 
 #ifdef __cplusplus
diff --git a/java/src/jni/h5fImp.h b/java/src/jni/h5fImp.h
index af0fa1d..f1b4f04 100644
--- a/java/src/jni/h5fImp.h
+++ b/java/src/jni/h5fImp.h
@@ -255,6 +255,24 @@ JNIEXPORT void JNICALL
 Java_hdf_hdf5lib_H5_H5Fget_1mdc_1logging_1status
   (JNIEnv *, jclass, jlong, jbooleanArray);
 
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5Fset_dset_no_attrs_hint
+ * Signature: (JZ)V
+ */
+JNIEXPORT void JNICALL
+Java_hdf_hdf5lib_H5_H5Fset_1dset_1no_1attrs_1hint
+  (JNIEnv *, jclass, jlong, jboolean);
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5Fget_dset_no_attrs_hint
+ * Signature: (J)Z
+ */
+JNIEXPORT jboolean JNICALL
+Java_hdf_hdf5lib_H5_H5Fget_1dset_1no_1attrs_1hint
+  (JNIEnv *, jclass, jlong);
+
 #ifdef __cplusplus
 } /* end extern "C" */
 #endif /* __cplusplus */
diff --git a/java/src/jni/h5pImp.c b/java/src/jni/h5pImp.c
index 52008ce..19f9640 100644
--- a/java/src/jni/h5pImp.c
+++ b/java/src/jni/h5pImp.c
@@ -5946,6 +5946,51 @@ Java_hdf_hdf5lib_H5_H5Pget_1chunk_1opts
     return (jint)opts;
 } /* end Java_hdf_hdf5lib_H5_H5Pget_1chunk_1opts */
 
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5Pset_dset_no_attrs_hint
+ * Signature: (JZ)V
+ */
+JNIEXPORT void JNICALL
+Java_hdf_hdf5lib_H5_H5Pset_1dset_1no_1attrs_1hint
+(JNIEnv *env, jclass clss, jlong dcpl_id, jboolean minimize)
+{
+    herr_t   retVal = -1;
+    hbool_t  minimize_val;
+
+    if (minimize == JNI_TRUE)
+        minimize_val = TRUE;
+    else
+        minimize_val = FALSE;
+
+    retVal = H5Pset_dset_no_attrs_hint((hid_t)dcpl_id, (hbool_t)minimize_val);
+    if (retVal < 0)
+        h5libraryError(env);
+}
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5Pget_dset_no_attrs_hint
+ * Signature: (J)Z
+ */
+JNIEXPORT jboolean JNICALL
+Java_hdf_hdf5lib_H5_H5Pget_1dset_1no_1attrs_1hint
+(JNIEnv *env, jclass clss, jlong dcpl_id)
+{
+    hbool_t    minimize = FALSE;
+    jboolean  bval = JNI_FALSE;
+
+    if (H5Pget_dset_no_attrs_hint((hid_t)dcpl_id, (hbool_t *)&minimize) < 0) {
+        h5libraryError(env);
+    }
+    else {
+        if (minimize == TRUE)
+            bval =  JNI_TRUE;
+    } /* end else */
+
+    return bval;
+}
+
 #ifdef __cplusplus
 } /* end extern "C" */
 #endif /* __cplusplus */
diff --git a/java/src/jni/h5pImp.h b/java/src/jni/h5pImp.h
index 1d12e3d..0a603f7 100644
--- a/java/src/jni/h5pImp.h
+++ b/java/src/jni/h5pImp.h
@@ -1614,6 +1614,24 @@ JNIEXPORT jint JNICALL
 Java_hdf_hdf5lib_H5_H5Pget_1chunk_1opts
 (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5Pset_dset_no_attrs_hint
+ * Signature: (JZ)V
+ */
+JNIEXPORT void JNICALL
+Java_hdf_hdf5lib_H5_H5Pset_1dset_1no_1attrs_1hint
+  (JNIEnv *, jclass, jlong, jboolean);
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5Pget_dset_no_attrs_hint
+ * Signature: (J)Z
+ */
+JNIEXPORT jboolean JNICALL
+Java_hdf_hdf5lib_H5_H5Pget_1dset_1no_1attrs_1hint
+  (JNIEnv *, jclass, jlong);
+
 
 #ifdef __cplusplus
 } /* end extern "C" */
diff --git a/java/test/TestH5Dplist.java b/java/test/TestH5Dplist.java
index 406a1d3..1d45a03 100644
--- a/java/test/TestH5Dplist.java
+++ b/java/test/TestH5Dplist.java
@@ -211,4 +211,21 @@ public class TestH5Dplist {
       assertTrue("testH5Dset_extent - H5.H5Dread: ", extend_dset_data[4][8] == 99);
   }
 
+  @Test
+  public void testH5P_dset_no_attrs_hint() {
+      boolean ret_val_id = false;
+
+      _createPDataset(H5fid, H5dsid, "dset", HDF5Constants.H5P_DATASET_CREATE);
+
+      try {
+          H5.H5Pset_dset_no_attrs_hint(H5dcpl_id, true);
+          ret_val_id = H5.H5Pget_dset_no_attrs_hint(H5dcpl_id);
+          assertTrue("H5P_dset_no_attrs_hint", ret_val_id);
+      }
+      catch (Throwable err) {
+          err.printStackTrace();
+          fail("H5P_dset_no_attrs_hint: " + err);
+      }
+  }
+
 }
diff --git a/java/test/TestH5Fbasic.java b/java/test/TestH5Fbasic.java
index a5afb6e..9196ea6 100644
--- a/java/test/TestH5Fbasic.java
+++ b/java/test/TestH5Fbasic.java
@@ -328,4 +328,18 @@ public class TestH5Fbasic {
             fail("H5.H5Freset_mdc_hit_rate_stats: " + err);
         }
     }
+
+    @Test
+    public void testH5F_dset_no_attrs_hint() {
+        boolean ret_val_id = false;
+        try {
+            H5.H5Fset_dset_no_attrs_hint(H5fid, true);
+            ret_val_id = H5.H5Fget_dset_no_attrs_hint(H5fid);
+            assertTrue("H5F_dset_no_attrs_hint", ret_val_id);
+        }
+        catch (Throwable err) {
+            err.printStackTrace();
+            fail("H5F_dset_no_attrs_hint: " + err);
+        }
+    }
 }
diff --git a/java/test/testfiles/JUnit-TestH5Dplist.txt b/java/test/testfiles/JUnit-TestH5Dplist.txt
index 1dfbed1..64e924a 100644
--- a/java/test/testfiles/JUnit-TestH5Dplist.txt
+++ b/java/test/testfiles/JUnit-TestH5Dplist.txt
@@ -1,7 +1,8 @@
 JUnit version 4.11
+.testH5P_dset_no_attrs_hint
 .testH5Dset_extent
 
 Time:  XXXX
 
-OK (1 test)
+OK (2 tests)
 
diff --git a/java/test/testfiles/JUnit-TestH5Fbasic.txt b/java/test/testfiles/JUnit-TestH5Fbasic.txt
index 2654624..05504de 100644
--- a/java/test/testfiles/JUnit-TestH5Fbasic.txt
+++ b/java/test/testfiles/JUnit-TestH5Fbasic.txt
@@ -2,6 +2,7 @@ JUnit version 4.11
 .testH5Fget_mdc_size
 .testH5Fget_mdc_hit_rate
 .testH5Fis_hdf5
+.testH5F_dset_no_attrs_hint
 .testH5Fget_freespace
 .testH5Fclose
 .testH5Fget_filesize
@@ -18,5 +19,5 @@ JUnit version 4.11
 
 Time:  XXXX
 
-OK (16 tests)
+OK (17 tests)