private static void validateColumns(
String keyspace,
String columnFamilyName,
ByteBuffer superColumnName,
Iterable<ByteBuffer> column_names)
throws InvalidRequestException {
if (superColumnName != null) {
if (superColumnName.remaining() > IColumn.MAX_NAME_LENGTH)
throw new InvalidRequestException(
"supercolumn name length must not be greater than " + IColumn.MAX_NAME_LENGTH);
if (superColumnName.remaining() == 0)
throw new InvalidRequestException("supercolumn name must not be empty");
if (DatabaseDescriptor.getColumnFamilyType(keyspace, columnFamilyName)
== ColumnFamilyType.Standard)
throw new InvalidRequestException(
"supercolumn specified to ColumnFamily "
+ columnFamilyName
+ " containing normal columns");
}
AbstractType comparator =
ColumnFamily.getComparatorFor(keyspace, columnFamilyName, superColumnName);
for (ByteBuffer name : column_names) {
if (name.remaining() > IColumn.MAX_NAME_LENGTH)
throw new InvalidRequestException(
"column name length must not be greater than " + IColumn.MAX_NAME_LENGTH);
if (name.remaining() == 0) throw new InvalidRequestException("column name must not be empty");
try {
comparator.validate(name);
} catch (MarshalException e) {
throw new InvalidRequestException(e.getMessage());
}
}
}
public static void validateRange(String keyspace, ColumnParent column_parent, SliceRange range)
throws InvalidRequestException {
AbstractType comparator =
ColumnFamily.getComparatorFor(
keyspace, column_parent.column_family, column_parent.super_column);
try {
comparator.validate(range.start);
comparator.validate(range.finish);
} catch (MarshalException e) {
throw new InvalidRequestException(e.getMessage());
}
if (range.count < 0) throw new InvalidRequestException("get_slice requires non-negative count");
Comparator<ByteBuffer> orderedComparator =
range.isReversed() ? comparator.getReverseComparator() : comparator;
if (range.start.remaining() > 0
&& range.finish.remaining() > 0
&& orderedComparator.compare(range.start, range.finish) > 0) {
throw new InvalidRequestException(
"range finish must come after start in the order of traversal");
}
}
public static void validateColumn(String keyspace, ColumnParent column_parent, Column column)
throws InvalidRequestException {
validateTtl(column);
validateColumns(keyspace, column_parent, Arrays.asList(column.name));
try {
AbstractType validator =
DatabaseDescriptor.getValueValidator(keyspace, column_parent.column_family, column.name);
if (validator != null) validator.validate(column.value);
} catch (MarshalException me) {
throw new InvalidRequestException(
String.format(
"[%s][%s][%s] = [%s] failed validation (%s)",
keyspace,
column_parent.getColumn_family(),
FBUtilities.bytesToHex(column.name),
FBUtilities.bytesToHex(column.value),
me.getMessage()));
}
}
/**
* An alternative validation function used by CollectionsType in conjunction with CompositeType.
*
* <p>This is similar to the compare function above.
*/
public void validateCollectionMember(ByteBuffer bytes, ByteBuffer collectionName)
throws MarshalException {
validate(bytes);
}