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-rw-r--r--java/examples/datatypes/H5Ex_T_ObjectReference.java144
1 files changed, 86 insertions, 58 deletions
diff --git a/java/examples/datatypes/H5Ex_T_ObjectReference.java b/java/examples/datatypes/H5Ex_T_ObjectReference.java
index b0f98de..9220d8f 100644
--- a/java/examples/datatypes/H5Ex_T_ObjectReference.java
+++ b/java/examples/datatypes/H5Ex_T_ObjectReference.java
@@ -28,54 +28,50 @@ import hdf.hdf5lib.H5;
import hdf.hdf5lib.HDF5Constants;
public class H5Ex_T_ObjectReference {
- private static String FILENAME = "H5Ex_T_ObjectReference.h5";
- private static String DATASETNAME = "DS1";
+ private static String FILENAME = "H5Ex_T_ObjectReference.h5";
+ private static String DATASETNAME = "DS1";
private static String DATASETNAME2 = "DS2";
- private static String GROUPNAME = "G1";
- private static final int DIM0 = 2;
- private static final int RANK = 1;
+ private static String GROUPNAME = "G1";
+ private static final int DIM0 = 2;
+ private static final int RANK = 1;
// Values for the status of space allocation
enum H5G_obj {
- H5G_UNKNOWN(HDF5Constants.H5O_TYPE_UNKNOWN), /* Unknown object type */
- H5G_GROUP(HDF5Constants.H5O_TYPE_GROUP), /* Object is a group */
- H5G_DATASET(HDF5Constants.H5O_TYPE_DATASET), /* Object is a dataset */
+ H5G_UNKNOWN(HDF5Constants.H5O_TYPE_UNKNOWN), /* Unknown object type */
+ H5G_GROUP(HDF5Constants.H5O_TYPE_GROUP), /* Object is a group */
+ H5G_DATASET(HDF5Constants.H5O_TYPE_DATASET), /* Object is a dataset */
H5G_TYPE(HDF5Constants.H5O_TYPE_NAMED_DATATYPE); /* Object is a named data type */
private static final Map<Integer, H5G_obj> lookup = new HashMap<Integer, H5G_obj>();
- static {
+ static
+ {
for (H5G_obj s : EnumSet.allOf(H5G_obj.class))
lookup.put(s.getCode(), s);
}
private int code;
- H5G_obj(int layout_type) {
- this.code = layout_type;
- }
+ H5G_obj(int layout_type) { this.code = layout_type; }
- public int getCode() {
- return this.code;
- }
+ public int getCode() { return this.code; }
- public static H5G_obj get(int code) {
- return lookup.get(code);
- }
+ public static H5G_obj get(int code) { return lookup.get(code); }
}
- private static void writeObjRef() {
- long file_id = HDF5Constants.H5I_INVALID_HID;
- long dataspace_id = HDF5Constants.H5I_INVALID_HID;
- long filespace_id = HDF5Constants.H5I_INVALID_HID;
- long group_id = HDF5Constants.H5I_INVALID_HID;
- long dataset_id = HDF5Constants.H5I_INVALID_HID;
- long[] dims = { DIM0 };
+ private static void writeObjRef()
+ {
+ long file_id = HDF5Constants.H5I_INVALID_HID;
+ long dataspace_id = HDF5Constants.H5I_INVALID_HID;
+ long filespace_id = HDF5Constants.H5I_INVALID_HID;
+ long group_id = HDF5Constants.H5I_INVALID_HID;
+ long dataset_id = HDF5Constants.H5I_INVALID_HID;
+ long[] dims = {DIM0};
byte[][] dset_data = new byte[DIM0][HDF5Constants.H5R_REF_BUF_SIZE];
// Create a new file using default properties.
try {
file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT,
- HDF5Constants.H5P_DEFAULT);
+ HDF5Constants.H5P_DEFAULT);
}
catch (Exception e) {
e.printStackTrace();
@@ -86,7 +82,8 @@ public class H5Ex_T_ObjectReference {
dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR);
if ((file_id >= 0) && (dataspace_id >= 0)) {
dataset_id = H5.H5Dcreate(file_id, DATASETNAME2, HDF5Constants.H5T_STD_I32LE, dataspace_id,
- HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
+ HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT,
+ HDF5Constants.H5P_DEFAULT);
if (dataset_id >= 0)
H5.H5Dclose(dataset_id);
dataset_id = HDF5Constants.H5I_INVALID_HID;
@@ -101,8 +98,8 @@ public class H5Ex_T_ObjectReference {
// Create a group in the file.
try {
if (file_id >= 0)
- group_id = H5.H5Gcreate(file_id, GROUPNAME, HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT,
- HDF5Constants.H5P_DEFAULT);
+ group_id = H5.H5Gcreate(file_id, GROUPNAME, HDF5Constants.H5P_DEFAULT,
+ HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
if (group_id >= 0)
H5.H5Gclose(group_id);
group_id = HDF5Constants.H5I_INVALID_HID;
@@ -119,7 +116,7 @@ public class H5Ex_T_ObjectReference {
catch (Throwable err) {
err.printStackTrace();
}
-
+
try {
dset_data[1] = H5.H5Rcreate_object(file_id, DATASETNAME2, HDF5Constants.H5P_DEFAULT);
}
@@ -127,7 +124,7 @@ public class H5Ex_T_ObjectReference {
err.printStackTrace();
}
}
-
+
// Create dataspace. Setting maximum size to NULL sets the maximum
// size to be the current size.
try {
@@ -136,22 +133,23 @@ public class H5Ex_T_ObjectReference {
catch (Exception e) {
e.printStackTrace();
}
-
+
// Create the dataset.
try {
if ((file_id >= 0) && (filespace_id >= 0))
dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_REF, filespace_id,
- HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
+ HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT,
+ HDF5Constants.H5P_DEFAULT);
}
catch (Exception e) {
e.printStackTrace();
}
-
+
// Write the object references to it.
try {
if (dataset_id >= 0)
- H5.H5Dwrite(dataset_id, HDF5Constants.H5T_STD_REF, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL,
- HDF5Constants.H5P_DEFAULT, dset_data);
+ H5.H5Dwrite(dataset_id, HDF5Constants.H5T_STD_REF, HDF5Constants.H5S_ALL,
+ HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data);
}
catch (Exception e) {
e.printStackTrace();
@@ -161,8 +159,16 @@ public class H5Ex_T_ObjectReference {
ex.printStackTrace();
}
finally {
- try {H5.H5Rdestroy(dset_data[1]);} catch (Exception ex) {}
- try {H5.H5Rdestroy(dset_data[0]);} catch (Exception ex) {}
+ try {
+ H5.H5Rdestroy(dset_data[1]);
+ }
+ catch (Exception ex) {
+ }
+ try {
+ H5.H5Rdestroy(dset_data[0]);
+ }
+ catch (Exception ex) {
+ }
}
// End access to the dataset and release resources used by it.
@@ -193,13 +199,14 @@ public class H5Ex_T_ObjectReference {
}
}
- private static void readObjRef() {
- long file_id = HDF5Constants.H5I_INVALID_HID;
- long dataset_id = HDF5Constants.H5I_INVALID_HID;
- long dataspace_id = HDF5Constants.H5I_INVALID_HID;
- int object_type = -1;
- long object_id = HDF5Constants.H5I_INVALID_HID;
- long[] dims = { DIM0 };
+ private static void readObjRef()
+ {
+ long file_id = HDF5Constants.H5I_INVALID_HID;
+ long dataset_id = HDF5Constants.H5I_INVALID_HID;
+ long dataspace_id = HDF5Constants.H5I_INVALID_HID;
+ int object_type = -1;
+ long object_id = HDF5Constants.H5I_INVALID_HID;
+ long[] dims = {DIM0};
byte[][] dset_data = new byte[DIM0][HDF5Constants.H5R_REF_BUF_SIZE];
// Open an existing file.
@@ -209,23 +216,24 @@ public class H5Ex_T_ObjectReference {
// Open an existing dataset.
try {
dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT);
-
+
try {
// Get dataspace and allocate memory for read buffer.
dataspace_id = H5.H5Dget_space(dataset_id);
H5.H5Sget_simple_extent_dims(dataspace_id, dims, null);
-
+
// Read data.
- H5.H5Dread(dataset_id, HDF5Constants.H5T_STD_REF, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL,
- HDF5Constants.H5P_DEFAULT, dset_data);
-
+ H5.H5Dread(dataset_id, HDF5Constants.H5T_STD_REF, HDF5Constants.H5S_ALL,
+ HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data);
+
// Output the data to the screen.
for (int indx = 0; indx < dims[0]; indx++) {
System.out.println(DATASETNAME + "[" + indx + "]:");
System.out.print(" ->");
// Open the referenced object, get its name and type.
try {
- object_id = H5.H5Ropen_object(dset_data[indx], HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
+ object_id = H5.H5Ropen_object(dset_data[indx], HDF5Constants.H5P_DEFAULT,
+ HDF5Constants.H5P_DEFAULT);
try {
object_type = H5.H5Rget_obj_type3(dset_data[indx], HDF5Constants.H5R_OBJECT);
String obj_name = null;
@@ -255,14 +263,22 @@ public class H5Ex_T_ObjectReference {
e.printStackTrace();
}
finally {
- try {H5.H5Oclose(object_id);} catch (Exception e) {}
+ try {
+ H5.H5Oclose(object_id);
+ }
+ catch (Exception e) {
+ }
}
}
catch (Exception e4) {
e4.printStackTrace();
}
finally {
- try {H5.H5Rdestroy(dset_data[indx]);} catch (Exception e4) {}
+ try {
+ H5.H5Rdestroy(dset_data[indx]);
+ }
+ catch (Exception e4) {
+ }
}
} // end for
}
@@ -270,25 +286,38 @@ public class H5Ex_T_ObjectReference {
e3.printStackTrace();
}
finally {
- try {H5.H5Sclose(dataspace_id);} catch (Exception e3) {}
+ try {
+ H5.H5Sclose(dataspace_id);
+ }
+ catch (Exception e3) {
+ }
}
}
catch (Exception e2) {
e2.printStackTrace();
}
finally {
- try {H5.H5Dclose(dataset_id);} catch (Exception e2) {}
+ try {
+ H5.H5Dclose(dataset_id);
+ }
+ catch (Exception e2) {
+ }
}
}
catch (Exception e1) {
e1.printStackTrace();
}
finally {
- try {H5.H5Fclose(file_id);} catch (Exception e1) {}
+ try {
+ H5.H5Fclose(file_id);
+ }
+ catch (Exception e1) {
+ }
}
}
- public static void main(String[] args) {
+ public static void main(String[] args)
+ {
// Check if gzip compression is available and can be used for both
// compression and decompression. Normally we do not perform error
// checking in these examples for the sake of clarity, but in this
@@ -297,5 +326,4 @@ public class H5Ex_T_ObjectReference {
H5Ex_T_ObjectReference.writeObjRef();
H5Ex_T_ObjectReference.readObjRef();
}
-
}
generated by cgit v0.12 at 2024-07-02 23:13:20 (GMT)