68 lines
2.7 KiB
Plaintext
68 lines
2.7 KiB
Plaintext
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digraph NaiveDatabase {
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rankdir=TB;
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node [shape=record, fontname="Helvetica", fontsize=10];
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edge [fontname="Helvetica", fontsize=9];
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// Main database
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NaiveDatabase [label="{NaiveDatabase|relations : Map RelationId Relation\lconstants : Set Constant\l}"];
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// Core data types
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Relation [label="{Relation|_name : Text\l_arity : Int\l_tuples : Set [Constant]\l_rules : [RelationRule]\l}"];
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RelationRule [label="{RelationRule|headVariables : [Text]\lbody : [(Relation, [RuleElement])]\l}"];
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RuleElement [label="{RuleElement|RuleElementConstant Constant\l| RuleElementVariable Text\l}"];
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// Constraint types (used during rule processing)
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ConstraintElement [label="{ConstraintElement|ConstraintElementConstant Constant\l| ConstraintElementIndex Int\l}"];
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BodyConstraint [label="{BodyConstraint|_relation : Relation\l_elements : [ConstraintElement]\l}"];
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RuleContext [label="{RuleContext|__relation : Relation\l_headVariables : [RuleElement]\l_bodyConstraints : [BodyConstraint]\l_db : NaiveDatabase\l}"];
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// Type aliases (shown as notes)
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TypeAliases [shape=note, label="Type Aliases\l\lConstant = Term\lRelationId = Text\l"];
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// Value type (standalone)
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Value [label="{Value|ValueInt Int\l| ValueSymbol String\l}"];
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// Exception type
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NaiveDatabaseException [label="{NaiveDatabaseException|CannotParseStatementException\l| NonFactException\l| NonRuleException\l| NonQueryException\l| BadArityException\l| VariableLookupException\l| UnexpectedConstantException\l}"];
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// Relationships
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NaiveDatabase -> Relation [label="contains *", style=solid];
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Relation -> RelationRule [label="has *", style=solid];
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RelationRule -> Relation [label="references *", style=dashed];
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RelationRule -> RuleElement [label="contains *", style=solid];
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BodyConstraint -> Relation [label="references", style=dashed];
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BodyConstraint -> ConstraintElement [label="contains *", style=solid];
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RuleContext -> Relation [label="references", style=dashed];
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RuleContext -> RuleElement [label="contains *", style=solid];
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RuleContext -> BodyConstraint [label="contains *", style=solid];
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RuleContext -> NaiveDatabase [label="references", style=dashed];
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// Grouping
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subgraph cluster_core {
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label="Core Types";
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style=rounded;
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color=blue;
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NaiveDatabase; Relation; RelationRule; RuleElement;
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}
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subgraph cluster_processing {
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label="Rule Processing";
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style=rounded;
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color=green;
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RuleContext; BodyConstraint; ConstraintElement;
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}
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subgraph cluster_other {
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label="Other";
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style=rounded;
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color=gray;
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Value; NaiveDatabaseException; TypeAliases;
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}
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}
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