IGraphProcessingEnvironment Properties

The actions employed by this graph processing environment

The backend to be used for graph creation when a graph is imported

Returns a non-interactive user proxy just echoing its inputs.

The action execution environment dependent commands that are available, and a description of each command.

The writer used by emit statements. By default this is ConsoleUI.outWriter (normally forwarded to Console.Out).

The writer used by emitdebug statements. This is ConsoleUI.outWriter (normally forwarded to Console.Out), and can't be redirected to a file in contrast to the EmitWriter.

Allows to enable/disable assertions and find out about assertion state.

Returns the graph currently focused in processing / sequence execution. This may be the initial main graph, or a subgraph switched to, the current top element of the graph usage stack.

Tells whether execution is interrupted because a highlight statement was hit. Consequence: the timer that normally prints match statistics every second remains silent

Returns true when graph processings is currently occuring inside a subgraph, returns false when the main host graph is currently processed (i.e. only one entry on the current graph stack is existing).

Indexer for accessing the variables by name, via index notation on this object.

The maximum number of matches to be returned for a RuleAll sequence element. If it is zero or less, the number of matches is unlimited.

Returns the named graph currently focused in processing / sequence execution. Returns null if this graph is not a named but an unnamed graph.

PerformanceInfo is used to accumulate information about needed time, found matches and applied rewrites. And additionally search steps carried out if profiling instrumentation code was generated. It must not be null. The user is responsible for resetting the PerformanceInfo object. This is typically done at the start of a rewrite sequence, to measure its performance.

The recorder of the main graph. Might be null (is set if a named graph is available, then the persistent names are taken from the named graph).

Returns the transaction manager of the processing environment. (Recording and undoing changes in the main graph and all processed subgraphs). Don't forget to call Commit after a transaction is finished!

The user proxy queried for choices during sequence execution. By default the compliant user proxy, if debugging the debugger acting on behalf of/controlled by the user.

Returns an iterator over all available (non-null) variables