How to use

toBuilder

method

in

com.google.cloud.datastore.StructuredQuery

@Test
public void testToBuilder() {
 List<StructuredQuery<?>> queries =
   ImmutableList.<StructuredQuery<?>>of(ENTITY_QUERY, KEY_QUERY, PROJECTION_QUERY);
 for (StructuredQuery<?> query : queries) {
  assertEquals(query, query.toBuilder().build());
 }
}

 break;
query = query.toBuilder().setStartCursor(results.getCursorAfter()).build();

@Override
StructuredQuery<V> nextQuery(com.google.datastore.v1.RunQueryResponse responsePb) {
 Builder<V> builder = toBuilder();
 builder.setStartCursor(new Cursor(responsePb.getBatch().getEndCursor()));
 if (offset > 0 && responsePb.getBatch().getSkippedResults() < offset) {
  builder.setOffset(offset - responsePb.getBatch().getSkippedResults());
 } else {
  builder.setOffset(0);
  if (limit != null) {
   builder.setLimit(limit - responsePb.getBatch().getEntityResultsCount());
  }
 }
 return builder.build();
}

 break;
query = query.toBuilder().setStartCursor(results.getCursorAfter()).build();

@Override
StructuredQuery<V> nextQuery(com.google.datastore.v1.RunQueryResponse responsePb) {
 Builder<V> builder = toBuilder();
 builder.setStartCursor(new Cursor(responsePb.getBatch().getEndCursor()));
 if (offset > 0 && responsePb.getBatch().getSkippedResults() < offset) {
  builder.setOffset(offset - responsePb.getBatch().getSkippedResults());
 } else {
  builder.setOffset(0);
  if (limit != null) {
   builder.setLimit(limit - responsePb.getBatch().getEntityResultsCount());
  }
 }
 return builder.build();
}