Package nz.org.riskscape.engine.relation
package nz.org.riskscape.engine.relation
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ClassDescriptionA relation that has no values, just a type.Thrown when an invalid tuple (row) of input data is encountered, i.e.Special case
TupleIterator
for a singleTuple
.Optional meta data for aRelation
Brings together theAutoCloseable
andIterator
interface foIterator
s that come fromRelation
s, so that iterators can clean up any resources they are derived from.Thrown when a null value was unexpectedly encountered in the input data.