@Override
public StringDatasetBase getView() {
StringDatasetBase view = new StringDatasetBase();
copyToView(this, view, true, true);
view.setData();
return view;
}
@Override
public StringDatasetBase getSlice(final SliceIterator siter) {
StringDatasetBase result = new StringDatasetBase(siter.getShape());
String[] rdata = result.data; // PRIM_TYPE
for (int i = 0; siter.hasNext(); i++) rdata[i] = data[siter.index];
result.setName(
name
+ BLOCK_OPEN
+ Slice.createString(siter.shape, siter.start, siter.stop, siter.step)
+ BLOCK_CLOSE);
return result;
}
@Override
public boolean equals(Object obj) {
if (!super.equals(obj)) {
return false;
}
if (getRank() == 0) // already true for zero-rank dataset
return true;
StringDatasetBase other = (StringDatasetBase) obj;
IndexIterator iter = getIterator();
IndexIterator oiter = other.getIterator();
while (iter.hasNext() && oiter.hasNext()) {
if (!data[iter.index].equals(other.data[oiter.index])) // OBJECT_UNEQUAL
return false;
}
return true;
}
/**
* Copy a dataset
*
* @param dataset
*/
public StringDatasetBase(final StringDatasetBase dataset) {
copyToView(dataset, this, true, true);
try {
if (dataset.stride == null) {
odata = data = dataset.data.clone();
} else {
offset = 0;
stride = null;
base = null;
odata = data = createArray(size);
IndexIterator iter = dataset.getIterator();
for (int i = 0; iter.hasNext(); i++) {
data[i] = dataset.data[iter.index];
}
}
} catch (Throwable t) {
logger.error("Could not create a dataset of shape {}", Arrays.toString(shape), t);
throw t;
}
}
/**
* Create a dataset from an object which could be a Java list, array (of arrays...) or Number.
* Ragged sequences or arrays are padded with zeros.
*
* @param obj
* @return dataset with contents given by input
*/
public static StringDatasetBase createFromObject(final Object obj) {
StringDatasetBase result = new StringDatasetBase();
result.shape = getShapeFromObject(obj);
result.size = calcSize(result.shape);
try {
result.odata = result.data = createArray(result.size);
} catch (Throwable t) {
logger.error("Could not create a dataset of shape {}", Arrays.toString(result.shape), t);
throw t;
}
int[] pos = new int[result.shape.length];
result.fillData(obj, 0, pos);
return result;
}