@Override
protected ViewQuery create(Part part, Iterator<Object> objectIterator) {
ConvertingIterator iterator = new ConvertingIterator(objectIterator, converter);
switch (part.getType()) {
case GREATER_THAN_EQUAL:
startKey(iterator);
break;
case LESS_THAN_EQUAL:
query.inclusiveEnd(true);
case BEFORE:
case LESS_THAN: // fall-through on purpose here
endKey(iterator);
break;
case BETWEEN:
startKey(iterator);
endKey(iterator);
break;
case STARTING_WITH: // starting_with only supports String keys
String nameStart = nextString(iterator);
query.startKey(nameStart).endKey(nameStart + "\uefff");
query.inclusiveEnd(false);
break;
case SIMPLE_PROPERTY:
key(iterator);
break;
case IN:
query.keys(in(iterator));
break;
default:
throw new IllegalArgumentException(
"Unsupported keyword in View query derivation: " + part.toString());
}
return query;
}
public ViewQueryCreator(
PartTree tree,
ParameterAccessor parameters,
View viewAnnotation,
ViewQuery query,
CouchbaseConverter converter) {
super(tree, parameters);
this.query = query;
this.viewAnnotation = viewAnnotation;
this.tree = tree;
this.converter = converter;
// sanity check the partTree since we have strong restrictions on what's supported:
int i = 0;
Set<String> properties = new HashSet<String>();
for (PartTree.OrPart parts : tree) {
for (Part part : parts) {
i++;
properties.add(part.getProperty().toDotPath());
}
}
this.treeCount = i;
if (properties.size() > 1) {
throw new IllegalArgumentException("View-based queries do not support compound keys");
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.gemfire.repository.query.Predicate#toString(java.lang.String)
*/
@Override
public String toString(String alias) {
Type type = part.getType();
return String.format(
"%s.%s %s",
alias == null ? QueryBuilder.DEFAULT_ALIAS : alias,
part.getProperty().toDotPath(),
toClause(type));
}