@Override
protected List<OUT> executeOnCollections(
List<IN> inputData, RuntimeContext ctx, ExecutionConfig executionConfig) throws Exception {
MapFunction<IN, OUT> function = this.userFunction.getUserCodeObject();
FunctionUtils.setFunctionRuntimeContext(function, ctx);
FunctionUtils.openFunction(function, this.parameters);
ArrayList<OUT> result = new ArrayList<OUT>(inputData.size());
TypeSerializer<IN> inSerializer =
getOperatorInfo().getInputType().createSerializer(executionConfig);
TypeSerializer<OUT> outSerializer =
getOperatorInfo().getOutputType().createSerializer(executionConfig);
for (IN element : inputData) {
IN inCopy = inSerializer.copy(element);
OUT out = function.map(inCopy);
result.add(outSerializer.copy(out));
}
FunctionUtils.closeFunction(function);
return result;
}
@Override
public TaggedUnion<T1, T2> copy(TaggedUnion<T1, T2> from, TaggedUnion<T1, T2> reuse) {
if (from.isOne()) {
return TaggedUnion.one(oneSerializer.copy(from.getOne()));
} else {
return TaggedUnion.two(twoSerializer.copy(from.getTwo()));
}
}
@Override
public void copy(DataInputView source, DataOutputView target) throws IOException {
byte tag = source.readByte();
target.writeByte(tag);
if (tag == 1) {
oneSerializer.copy(source, target);
} else {
twoSerializer.copy(source, target);
}
}
@Override
public void copy(DataInputView source, DataOutputView target) throws IOException {
int len = source.readInt();
target.writeInt(len);
for (int i = 0; i < len; i++) {
boolean isNonNull = source.readBoolean();
target.writeBoolean(isNonNull);
if (isNonNull) {
componentSerializer.copy(source, target);
}
}
}
protected IN copy(IN record) {
return objectSerializer.copy(record);
}
@Override
public StreamRecord<T> copy(StreamRecord<T> from, StreamRecord<T> reuse) {
reuse.replace(typeSerializer.copy(from.getValue(), reuse.getValue()), 0);
return reuse;
}
@Override
public StreamRecord<T> copy(StreamRecord<T> from) {
return new StreamRecord<T>(typeSerializer.copy(from.getValue()), from.getTimestamp());
}
@Override
public void copy(DataInputView source, DataOutputView target) throws IOException {
typeSerializer.copy(source, target);
}