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-rw-r--r--java/examples/datatypes/H5Ex_T_Compound.java94
1 files changed, 55 insertions, 39 deletions
diff --git a/java/examples/datatypes/H5Ex_T_Compound.java b/java/examples/datatypes/H5Ex_T_Compound.java
index a78d0e3..7a46bcf 100644
--- a/java/examples/datatypes/H5Ex_T_Compound.java
+++ b/java/examples/datatypes/H5Ex_T_Compound.java
@@ -23,6 +23,9 @@ package examples.datatypes;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
import hdf.hdf5lib.H5;
import hdf.hdf5lib.HDF5Constants;
@@ -87,6 +90,14 @@ public class H5Ex_T_Compound {
this.pressure = pressure;
}
+ Sensor(List data)
+ {
+ this.serial_no = (int)data.get(0);
+ this.location = (String)data.get(1);
+ this.temperature = (double)data.get(2);
+ this.pressure = (double)data.get(3);
+ }
+
Sensor(ByteBuffer databuf, int dbposition) { readBuffer(databuf, dbposition); }
void writeBuffer(ByteBuffer databuf, int dbposition)
@@ -115,6 +126,24 @@ public class H5Ex_T_Compound {
this.pressure = databuf.getDouble(dbposition + Sensor_Datatype.getOffset(3));
}
+ List get()
+ {
+ List data = new ArrayList<>();
+ data.add(this.serial_no);
+ data.add(this.location);
+ data.add(this.temperature);
+ data.add(this.pressure);
+ return data;
+ }
+
+ void put(List data)
+ {
+ this.serial_no = (int)data.get(0);
+ this.location = (String)data.get(1);
+ this.temperature = (double)data.get(2);
+ this.pressure = (double)data.get(3);
+ }
+
@Override
public String toString()
{
@@ -127,21 +156,21 @@ public class H5Ex_T_Compound {
private static void CreateDataset()
{
- long file_id = HDF5Constants.H5I_INVALID_HID;
- long strtype_id = HDF5Constants.H5I_INVALID_HID;
- long memtype_id = HDF5Constants.H5I_INVALID_HID;
- long filetype_id = HDF5Constants.H5I_INVALID_HID;
- long dataspace_id = HDF5Constants.H5I_INVALID_HID;
- long dataset_id = HDF5Constants.H5I_INVALID_HID;
- long[] dims = {DIM0};
- Sensor[] object_data = new Sensor[DIM0];
- byte[] dset_data = null;
+ long file_id = HDF5Constants.H5I_INVALID_HID;
+ long strtype_id = HDF5Constants.H5I_INVALID_HID;
+ long memtype_id = HDF5Constants.H5I_INVALID_HID;
+ long filetype_id = HDF5Constants.H5I_INVALID_HID;
+ long dataspace_id = HDF5Constants.H5I_INVALID_HID;
+ long dataset_id = HDF5Constants.H5I_INVALID_HID;
+ long[] dims = {DIM0};
+ ArrayList[] object_data = new ArrayList[DIM0];
+ byte[] dset_data = null;
// Initialize data.
- object_data[0] = new Sensor(1153, new String("Exterior (static)"), 53.23, 24.57);
- object_data[1] = new Sensor(1184, new String("Intake"), 55.12, 22.95);
- object_data[2] = new Sensor(1027, new String("Intake manifold"), 103.55, 31.23);
- object_data[3] = new Sensor(1313, new String("Exhaust manifold"), 1252.89, 84.11);
+ object_data[0] = (ArrayList) new Sensor(1153, new String("Exterior (static)"), 53.23, 24.57).get();
+ object_data[1] = (ArrayList) new Sensor(1184, new String("Intake"), 55.12, 22.95).get();
+ object_data[2] = (ArrayList) new Sensor(1027, new String("Intake manifold"), 103.55, 31.23).get();
+ object_data[3] = (ArrayList) new Sensor(1313, new String("Exhaust manifold"), 1252.89, 84.11).get();
// Create a new file using default properties.
try {
@@ -220,17 +249,10 @@ public class H5Ex_T_Compound {
}
// Write the compound data to the dataset.
- // allocate memory for read buffer.
- dset_data = new byte[(int)dims[0] * (int)Sensor_Datatype.getDataSize()];
- ByteBuffer outBuf = ByteBuffer.wrap(dset_data);
- outBuf.order(ByteOrder.nativeOrder());
- for (int indx = 0; indx < (int)dims[0]; indx++) {
- object_data[indx].writeBuffer(outBuf, indx * (int)Sensor_Datatype.getDataSize());
- }
try {
if ((dataset_id >= 0) && (memtype_id >= 0))
- H5.H5Dwrite(dataset_id, memtype_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL,
- HDF5Constants.H5P_DEFAULT, dset_data);
+ H5.H5DwriteVL(dataset_id, memtype_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL,
+ HDF5Constants.H5P_DEFAULT, (Object[])object_data);
}
catch (Exception e) {
e.printStackTrace();
@@ -292,14 +314,13 @@ public class H5Ex_T_Compound {
private static void ReadDataset()
{
- long file_id = HDF5Constants.H5I_INVALID_HID;
- long strtype_id = HDF5Constants.H5I_INVALID_HID;
- long memtype_id = HDF5Constants.H5I_INVALID_HID;
- long dataspace_id = HDF5Constants.H5I_INVALID_HID;
- long dataset_id = HDF5Constants.H5I_INVALID_HID;
- long[] dims = {DIM0};
- Sensor[] object_data2;
- byte[] dset_data;
+ long file_id = HDF5Constants.H5I_INVALID_HID;
+ long strtype_id = HDF5Constants.H5I_INVALID_HID;
+ long memtype_id = HDF5Constants.H5I_INVALID_HID;
+ long dataspace_id = HDF5Constants.H5I_INVALID_HID;
+ long dataset_id = HDF5Constants.H5I_INVALID_HID;
+ long[] dims = {DIM0};
+ Sensor[] object_data2 = new Sensor[(int)dims[0]];
// Open an existing file.
try {
@@ -362,21 +383,16 @@ public class H5Ex_T_Compound {
e.printStackTrace();
}
- // allocate memory for read buffer.
- dset_data = new byte[(int)dims[0] * (int)Sensor_Datatype.getDataSize()];
-
- object_data2 = new Sensor[(int)dims[0]];
+ ArrayList[] object_data = new ArrayList[(int)dims[0]];
// Read data.
try {
if ((dataset_id >= 0) && (memtype_id >= 0))
- H5.H5Dread(dataset_id, memtype_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL,
- HDF5Constants.H5P_DEFAULT, dset_data);
+ H5.H5DreadVL(dataset_id, memtype_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL,
+ HDF5Constants.H5P_DEFAULT, (Object[])object_data);
- ByteBuffer inBuf = ByteBuffer.wrap(dset_data);
- inBuf.order(ByteOrder.nativeOrder());
for (int indx = 0; indx < (int)dims[0]; indx++) {
- object_data2[indx] = new Sensor(inBuf, indx * (int)Sensor_Datatype.getDataSize());
+ object_data2[indx] = new Sensor(object_data[indx]);
}
}
catch (Exception e) {
generated by cgit v0.12 at 2024-06-29 06:56:27 (GMT)