use of com.baidu.hugegraph.loader.exception.ParseException in project incubator-hugegraph-toolchain by apache.
the class ParseTaskBuilder method buildTask.
private ParseTask buildTask(ElementBuilder builder, List<Line> lines) {
final LoadMetrics metrics = this.context.summary().metrics(this.struct);
final int batchSize = this.context.options().batchSize;
final ElementMapping mapping = builder.mapping();
final boolean needRemoveId = builder instanceof VertexBuilder && ((VertexLabel) builder.schemaLabel()).idStrategy().isPrimaryKey();
return new ParseTask(mapping, () -> {
List<List<Record>> batches = new ArrayList<>();
// One batch record
List<Record> records = new ArrayList<>(batchSize);
int count = 0;
for (Line line : lines) {
try {
// NOTE: don't remove entry in keyValues
@SuppressWarnings("unchecked") List<GraphElement> elements = builder.build(line.names(), line.values());
E.checkState(elements.size() <= batchSize, "The number of columns in a line cannot " + "exceed the size of a batch, but got %s > %s", elements.size(), batchSize);
// Prevent batch size from exceeding limit
if (records.size() + elements.size() > batchSize) {
LOG.debug("Create a new batch for {}", mapping);
// Add current batch and create a new batch
batches.add(records);
records = new ArrayList<>(batchSize);
}
for (GraphElement element : elements) {
if (needRemoveId) {
((Vertex) element).id(null);
}
records.add(new Record(line.rawLine(), element));
count++;
}
} catch (IllegalArgumentException e) {
metrics.increaseParseFailure(mapping);
ParseException pe = new ParseException(line.rawLine(), e);
this.handleParseFailure(mapping, pe);
}
}
if (!records.isEmpty()) {
batches.add(records);
}
metrics.plusParseSuccess(mapping, count);
return batches;
});
}
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