Package org.eclipse.viatra.query.runtime.matchers.psystem.queries
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Interface Summary Interface Description PQuery Internal representation of a query / graph pattern (using a constraint system formalism), to be interpreted by a query evaluator (IQueryBackend
).PQueryHeader Represents header information (metainfo) about a query. -
Class Summary Class Description BasePQuery Default implementation of PQuery.PDisjunction A disjunction is a set of bodies representing separate conditions.PParameter A descriptor for declared PQuery parameters.PProblem Represents an error that was detected while thePQuery
object was built from a source.PQueries Utility class for using PQueries in functional/streaming collection operations effectively -
Enum Summary Enum Description PParameterDirection Values of this enum describe a constraint to the calling of patterns regarding its parameters.PQuery.PQueryStatus PVisibility -
Exception Summary Exception Description QueryInitializationException Represent an exception that occurred while initializing the specification of a query.