X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Fscl%2FGraphRelation.java;fp=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Fscl%2FGraphRelation.java;h=0000000000000000000000000000000000000000;hp=f1c8a79f8b9fcc6c1d8a596d7f78b2ef9a55f65e;hb=6320ecb3f75e3a29ed620ca5425ca22ef88a5496;hpb=6d789e04560b01a1845d39f7e951230bb74d6470

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/scl/GraphRelation.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/scl/GraphRelation.java
deleted file mode 100644
index f1c8a79f8..000000000
--- a/bundles/org.simantics.modeling/src/org/simantics/modeling/scl/GraphRelation.java
+++ /dev/null
@@ -1,196 +0,0 @@
-package org.simantics.modeling.scl;
-
-import org.simantics.db.Resource;
-import org.simantics.scl.compiler.common.names.Name;
-import org.simantics.scl.compiler.compilation.CompilationContext;
-import org.simantics.scl.compiler.elaboration.chr.plan.PlanContext;
-import org.simantics.scl.compiler.elaboration.expressions.EApply;
-import org.simantics.scl.compiler.elaboration.expressions.EExternalConstant;
-import org.simantics.scl.compiler.elaboration.expressions.EVariable;
-import org.simantics.scl.compiler.elaboration.expressions.Expression;
-import org.simantics.scl.compiler.elaboration.expressions.Variable;
-import org.simantics.scl.compiler.elaboration.query.compilation.EnforcingContext;
-import org.simantics.scl.compiler.elaboration.query.compilation.QueryCompilationContext;
-import org.simantics.scl.compiler.elaboration.relations.SCLRelation;
-import org.simantics.scl.compiler.errors.Locations;
-import org.simantics.scl.compiler.internal.codegen.writer.CodeWriter;
-import org.simantics.scl.compiler.types.TVar;
-import org.simantics.scl.compiler.types.Type;
-import org.simantics.scl.compiler.types.Types;
-
-public class GraphRelation implements SCLRelation {
-
-    Resource relation;
-    double relationSelectivity;
-    Resource inverseRelation;
-    double inverseRelationSelectivity;
-    
-    public GraphRelation(Resource relation, double relationSelectivity,
-            Resource inverseRelation, double inverseRelationSelectivity) {
-        this.relation = relation;
-        this.relationSelectivity = relationSelectivity;
-        this.inverseRelation = inverseRelation;
-        this.inverseRelationSelectivity = inverseRelationSelectivity;
-    }
-
-    @Override
-    public TVar[] getTypeVariables() {
-        return TVar.EMPTY_ARRAY;
-    }
-    
-    private static final Type[] PARAMETER_TYPES = new Type[] { Types.RESOURCE, Types.RESOURCE };
-    
-    @Override
-    public Type[] getParameterTypes() {
-        return PARAMETER_TYPES;
-    }
-
-    @Override
-    public double getSelectivity(int boundVariables) {
-        switch(boundVariables) {
-        case FF: return Double.POSITIVE_INFINITY;
-        case BF: return relationSelectivity;
-        case FB: return inverseRelation == null ? Double.POSITIVE_INFINITY : inverseRelationSelectivity;
-        case BB: return 0.1;
-        default: throw new IllegalArgumentException();
-        }
-    }
-    
-    @Override
-    public int getRequiredVariablesMask() {
-        return inverseRelation == null ? BF : FF;
-    }
-    
-    private static final Name GET_OBJECTS = Name.create("Simantics/DB", "#");
-    private static final Name HAS_STATEMENT = Name.create("Simantics/DB", "existsStatement3");
-    
-    @Override
-    public void generate(long location, QueryCompilationContext context,
-            Type[] typeParameters, Variable[] parameters, int boundVariables) {
-        switch(boundVariables) {
-        case BF: 
-            context.iterateList(parameters[1], new EApply(
-                    Locations.NO_LOCATION,
-                    Types.READ_GRAPH,
-                    context.getCompilationContext().getConstant(GET_OBJECTS),
-                    new EVariable(parameters[0]),
-                    new EExternalConstant(relation, Types.RESOURCE)
-                    ));
-            break;
-        case FB:
-            if(inverseRelation == null)
-                throw new IllegalArgumentException();
-            context.iterateList(parameters[0], new EApply(
-                    Locations.NO_LOCATION,
-                    Types.READ_GRAPH,
-                    context.getCompilationContext().getConstant(GET_OBJECTS),
-                    new EVariable(parameters[1]),
-                    new EExternalConstant(inverseRelation, Types.RESOURCE)
-                    ));
-            break;
-        case BB:
-            context.condition(
-                    inverseRelation == null || relationSelectivity <= inverseRelationSelectivity
-                    ? new EApply(
-                            Locations.NO_LOCATION,
-                            Types.READ_GRAPH,
-                            context.getCompilationContext().getConstant(HAS_STATEMENT),
-                            new Expression[] {
-                                new EVariable(parameters[0]),
-                                new EExternalConstant(relation, Types.RESOURCE),
-                                new EVariable(parameters[1])
-                            }
-                            )
-                    : new EApply(
-                            Locations.NO_LOCATION,
-                            Types.READ_GRAPH,
-                            context.getCompilationContext().getConstant(HAS_STATEMENT),
-                            new Expression[] {
-                                new EVariable(parameters[1]),
-                                new EExternalConstant(inverseRelation, Types.RESOURCE),
-                                new EVariable(parameters[0])
-                            }
-                            ));
-            break;
-        default: throw new IllegalArgumentException();
-        }
-    }
-
-    private static final Name CLAIM = Name.create("Simantics/DB", "claim");
-    
-    @Override
-    public Expression generateEnforce(long location, EnforcingContext context,
-            Type[] typeParameters, Variable[] parameters) {
-        return new EApply(
-                Locations.NO_LOCATION,
-                Types.WRITE_GRAPH,
-                context.getCompilationContext().getConstant(CLAIM),
-                new EVariable(parameters[0]),
-                new EExternalConstant(relation, Types.RESOURCE),
-                new EVariable(parameters[1])
-                );
-    }
-
-    @Override
-    public int getPhase() {
-        return 0;
-    }
-
-    @Override
-    public void generateIterate(PlanContext context, CodeWriter w, long location, int boundMask, Variable[] variables,
-            Expression[] expressions, Expression[] typeConstraintEvidenceParameters) {
-        CompilationContext compilationContext = context.context;
-        switch(boundMask) {
-        case BF:
-            context.iterateList(location, w, variables[1],
-                    w.apply(location,
-                            compilationContext.environment.getValue(GET_OBJECTS).getValue(),
-                            expressions[0].toVal(compilationContext, w),
-                            w.getModuleWriter().getExternalConstant(relation, Types.RESOURCE)));
-            break;
-        case FB:
-            if(inverseRelation == null)
-                throw new IllegalArgumentException();
-            context.iterateList(location, w, variables[0],
-                    w.apply(location,
-                            compilationContext.environment.getValue(GET_OBJECTS).getValue(),
-                            expressions[1].toVal(compilationContext, w),
-                            w.getModuleWriter().getExternalConstant(inverseRelation, Types.RESOURCE)));
-            break;
-        case BB:
-            context.check(location, w, 
-                    inverseRelation == null || relationSelectivity <= inverseRelationSelectivity
-                    ? w.apply(location, compilationContext.environment.getValue(HAS_STATEMENT).getValue(), 
-                            expressions[0].toVal(compilationContext, w),
-                            w.getModuleWriter().getExternalConstant(relation, Types.RESOURCE),
-                            expressions[1].toVal(compilationContext, w))
-                    : w.apply(location, compilationContext.environment.getValue(HAS_STATEMENT).getValue(), 
-                            expressions[1].toVal(compilationContext, w),
-                            w.getModuleWriter().getExternalConstant(inverseRelation, Types.RESOURCE),
-                            expressions[0].toVal(compilationContext, w)));
-            break;
-        default: throw new IllegalArgumentException();
-        }
-    }
-
-    @Override
-    public void generateEnforce(PlanContext context, CodeWriter w, long location, Expression[] parameters,
-            Expression[] typeConstraintEvidenceParameters) {
-        CompilationContext compilationContext = context.context;
-        w.apply(location,
-                compilationContext.environment.getValue(CLAIM).getValue(),
-                parameters[0].toVal(compilationContext, w),
-                w.getModuleWriter().getExternalConstant(relation, Types.RESOURCE),
-                parameters[1].toVal(compilationContext, w));
-    }
-    
-    @Override
-    public Type getEnforceEffect() {
-        return Types.WRITE_GRAPH;
-    }
-
-    @Override
-    public Type getQueryEffect() {
-        return Types.READ_GRAPH;
-    }
-}