Examples with StatementBinding com.inova8.intelligentgraph.path.StatementBinding used on opensource projects

Example 1 with StatementBinding

use of com.inova8.intelligentgraph.path.StatementBinding in project com.inova8.intelligentgraph by peterjohnlawrence.

the class PredicateElement method pathPredicatePatternTupleExpr.

/**
 * Path predicate pattern tuple expr.
 *
 * @param predicatePattern the predicate pattern
 * @param intermediateSourceVariable the intermediate source variable
 * @param intermediatePredicateVariable the intermediate predicate variable
 * @param intermediateTargetVariable the intermediate target variable
 * @param customQueryOptions the custom query options
 * @return the path tuple expr
 */
private PathTupleExpr pathPredicatePatternTupleExpr(PathTupleExpr predicatePattern, Variable intermediateSourceVariable, Variable intermediatePredicateVariable, Variable intermediateTargetVariable, CustomQueryOptions customQueryOptions) {
    TupleExpr intermediatePredicatePattern;
    Variable predicateVariable;
    if (isNegated) {
        predicateVariable = new Variable(getPredicateSPARQLVariable());
        // TODO
        Variable variable = new Variable("p2", predicate);
        if (isInverseOf) {
            StatementPattern inverseOfPattern = new StatementPattern(intermediateTargetVariable, predicateVariable, intermediateSourceVariable);
            Compare filterExpression = new Compare(predicateVariable, variable, CompareOp.NE);
            intermediatePredicatePattern = new Filter(inverseOfPattern, filterExpression);
        } else {
            intermediatePredicatePattern = new StatementPattern(intermediateSourceVariable, predicateVariable, intermediateTargetVariable);
        }
    } else {
        intermediatePredicateVariable.setValue(predicate);
        // Variable(getPredicateSPARQLVariable(), predicate);
        predicateVariable = intermediatePredicateVariable;
        if (isInverseOf) {
            intermediatePredicatePattern = new StatementPattern(intermediateTargetVariable, predicateVariable, intermediateSourceVariable);
        } else {
            intermediatePredicatePattern = new StatementPattern(intermediateSourceVariable, predicateVariable, intermediateTargetVariable);
        }
    }
    if (objectFilterElement != null) {
        intermediatePredicatePattern = (TupleExpr) objectFilterElement.filterExpression(intermediateTargetVariable, intermediatePredicateVariable, null, intermediatePredicatePattern, customQueryOptions).getTupleExpr();
    }
    // EdgeBinding
    statementBinding = new StatementBinding(intermediateSourceVariable, predicateVariable, intermediateTargetVariable, getIsInverseOf());
    if (predicatePattern == null) {
        predicatePattern = new PathTupleExpr(intermediatePredicatePattern);
    // predicatePattern.setStatementBinding(statementBinding);
    } else {
        predicatePattern.setTupleExpr(new Join(predicatePattern.getTupleExpr(), intermediatePredicatePattern));
    }
    predicatePattern.setStatementBinding(statementBinding);
    predicatePattern.setBoundVariable(predicatePattern.getStatementBinding().getSourceVariable());
    predicatePattern.getPath().add(statementBinding);
    return predicatePattern;
}

Example 2 with StatementBinding

use of com.inova8.intelligentgraph.path.StatementBinding in project com.inova8.intelligentgraph by peterjohnlawrence.

the class PredicateElement method visitPredicatePathBinding.

/**
 * Visit predicate path binding.
 *
 * @param pathBinding the path binding
 * @param pathIteration the path iteration
 * @return the path binding
 */
private PathBinding visitPredicatePathBinding(PathBinding pathBinding, Integer pathIteration) {
    StatementBinding predicateEdge;
    Variable sourceVariable = this.getSourceVariable();
    Variable targetVariable = this.getTargetVariable();
    Variable intermediateSourceVariable = null;
    Variable intermediateTargetVariable = null;
    Variable priorIntermediateTargetVariable = null;
    for (int iteration = 1; iteration <= getCardinality(pathIteration); iteration++) {
        if (iteration == 1) {
            intermediateSourceVariable = sourceVariable;
        }
        if (iteration < getCardinality(pathIteration)) {
            if (iteration > 1)
                intermediateSourceVariable = priorIntermediateTargetVariable;
            intermediateTargetVariable = new Variable(targetVariable.getName() + "_i" + iteration);
            priorIntermediateTargetVariable = intermediateTargetVariable;
        }
        if (iteration == getCardinality(pathIteration)) {
            if (iteration > 1)
                intermediateSourceVariable = priorIntermediateTargetVariable;
            intermediateTargetVariable = targetVariable;
        }
        predicateEdge = new StatementBinding(intermediateSourceVariable, getPredicateVariable(), intermediateTargetVariable, getIsInverseOf());
        pathBinding.add(predicateEdge);
    }
    return pathBinding;
}

Example 3 with StatementBinding

use of com.inova8.intelligentgraph.path.StatementBinding in project com.inova8.intelligentgraph by peterjohnlawrence.

the class PredicateElement method visitReifiedPredicatePathBinding.

/**
 * Visit reified predicate path binding.
 *
 * @param pathBinding the path binding
 * @param pathIteration the path iteration
 * @return the path binding
 */
private PathBinding visitReifiedPredicatePathBinding(PathBinding pathBinding, Integer pathIteration) {
    StatementBinding predicateEdge;
    Variable sourceVariable = this.getSourceVariable();
    Variable targetVariable = this.getTargetVariable();
    Variable reificationVariable = this.getReifiedVariable();
    Variable intermediateSourceVariable = null;
    Variable intermediateTargetVariable = null;
    Variable priorIntermediateTargetVariable = null;
    Variable intermediateReificationVariable = null;
    for (int iteration = 1; iteration <= getCardinality(pathIteration); iteration++) {
        if (iteration == 1) {
            intermediateSourceVariable = sourceVariable;
        }
        if (iteration < getCardinality(pathIteration)) {
            if (iteration > 1)
                intermediateSourceVariable = priorIntermediateTargetVariable;
            intermediateTargetVariable = new Variable(targetVariable.getName() + "_i" + iteration);
            priorIntermediateTargetVariable = intermediateTargetVariable;
        }
        if (iteration == getCardinality(pathIteration)) {
            if (iteration > 1)
                intermediateSourceVariable = priorIntermediateTargetVariable;
            intermediateTargetVariable = targetVariable;
            intermediateReificationVariable = reificationVariable;
        } else {
            intermediateReificationVariable = new Variable(reificationVariable.getName() + "_i" + iteration);
        }
        predicateEdge = new StatementBinding(intermediateSourceVariable, this.reification, intermediateReificationVariable, getPredicateVariable(), getIsDereified() ? this.getReifiedVariable() : intermediateTargetVariable, getIsInverseOf(), getIsDereified());
        pathBinding.add(predicateEdge);
    }
    return pathBinding;
}

Example 4 with StatementBinding

use of com.inova8.intelligentgraph.path.StatementBinding in project com.inova8.intelligentgraph by peterjohnlawrence.

the class PredicateElement method pathReifiedPredicatePatternTupleExpr.

/**
 * Path reified predicate pattern tuple expr.
 *
 * @param predicatePattern the predicate pattern
 * @param sourceVariable the source variable
 * @param intermediatePredicateVariable the intermediate predicate variable
 * @param targetVariable the target variable
 * @param reificationVariable the reification variable
 * @param customQueryOptions the custom query options
 * @return the path tuple expr
 */
private PathTupleExpr pathReifiedPredicatePatternTupleExpr(PathTupleExpr predicatePattern, Variable sourceVariable, Variable intermediatePredicateVariable, Variable targetVariable, Variable reificationVariable, CustomQueryOptions customQueryOptions) {
    ArrayList<Variable> targetVariables = new ArrayList<Variable>();
    if (objectFilterElement != null)
        targetVariables = objectFilterElement.bindTargetVariable(targetVariable, customQueryOptions);
    if (targetVariables.size() == 0)
        targetVariables.add(targetVariable);
    TupleExpr reifiedPredicatePattern = null;
    intermediatePredicateVariable.setValue(getPredicate());
    // getPredicateVariable();
    Variable predicateVariable = intermediatePredicateVariable;
    IRI subject = getReifications().getReificationSubject(reification);
    IRI isSubjectOf = getReifications().getReificationIsSubjectOf(reification);
    if (subject == null && isSubjectOf == null)
        throw new QueryException("Undefined Reification", "No subject/isSubjectOf for reification " + reification.stringValue());
    IRI property = getReifications().getReificationPredicate(reification);
    IRI isPropertyOf = getReifications().getReificationIsPredicateOf(reification);
    if (property == null && isPropertyOf == null)
        throw new QueryException("Undefined Reification", "No property/isPropertyOf for reification " + reification.stringValue());
    IRI object = getReifications().getReificationObject(reification);
    IRI isObjectOf = getReifications().getReificationIsObjectOf(reification);
    if (object == null && isObjectOf == null)
        throw new QueryException("Undefined Reification", "No object/isObjectOf for reification " + reification.stringValue());
    Variable subjectVariable = new Variable("subject" + getExitIndex(), subject);
    Variable isSubjectOfVariable = new Variable("isSubjectOf" + getExitIndex(), isSubjectOf);
    Variable propertyVariable = new Variable("property" + getExitIndex(), property);
    Variable isPropertyOfVariable = new Variable("isPropertyOf" + getExitIndex(), isPropertyOf);
    Variable objectVariable = new Variable("object" + getExitIndex(), object);
    Variable isObjectOfVariable = new Variable("isObjectOf" + getExitIndex(), isObjectOf);
    // Part1
    TupleExpr part1Pattern = null;
    if (isInverseOf) {
        if (object != null && isObjectOf != null) {
            StatementPattern objectPattern = new StatementPattern(reificationVariable, objectVariable, sourceVariable);
            StatementPattern isObjectOfPattern = new StatementPattern(sourceVariable, isObjectOfVariable, reificationVariable);
            part1Pattern = new Union(objectPattern, isObjectOfPattern);
        } else if (object != null) {
            StatementPattern objectPattern = new StatementPattern(reificationVariable, objectVariable, sourceVariable);
            part1Pattern = objectPattern;
        } else if (isObjectOf != null) {
            StatementPattern isObjectOfPattern = new StatementPattern(targetVariable, isObjectOfVariable, sourceVariable);
            part1Pattern = isObjectOfPattern;
        } else {
        }
    } else {
        if (subject != null && isSubjectOf != null) {
            StatementPattern subjectPattern = new StatementPattern(reificationVariable, subjectVariable, sourceVariable);
            StatementPattern isSubjectOfPattern = new StatementPattern(sourceVariable, isSubjectOfVariable, reificationVariable);
            part1Pattern = new Union(subjectPattern, isSubjectOfPattern);
        } else if (subject != null) {
            StatementPattern subjectPattern = new StatementPattern(reificationVariable, subjectVariable, sourceVariable);
            part1Pattern = subjectPattern;
        } else if (isSubjectOf != null) {
            StatementPattern isSubjectOfPattern = new StatementPattern(sourceVariable, isSubjectOfVariable, reificationVariable);
            part1Pattern = isSubjectOfPattern;
        } else {
        }
    }
    // Part2
    TupleExpr part2Pattern = null;
    if (property != null && isPropertyOf != null) {
        StatementPattern propertyPattern = new StatementPattern(reificationVariable, propertyVariable, predicateVariable);
        StatementPattern isPropertyOfPattern = new StatementPattern(predicateVariable, isPropertyOfVariable, reificationVariable);
        part2Pattern = new Union(propertyPattern, isPropertyOfPattern);
    } else if (property != null) {
        StatementPattern propertyPattern = new StatementPattern(reificationVariable, propertyVariable, predicateVariable);
        part2Pattern = propertyPattern;
    } else if (isPropertyOf != null) {
        StatementPattern isPropertyOfPattern = new StatementPattern(predicateVariable, isPropertyOfVariable, reificationVariable);
        part2Pattern = isPropertyOfPattern;
    } else {
    }
    TupleExpr part12Pattern = null;
    if (part1Pattern != null && part2Pattern != null)
        part12Pattern = new Join(part1Pattern, part2Pattern);
    else if (part1Pattern != null)
        part12Pattern = part1Pattern;
    else if (part2Pattern != null)
        part12Pattern = part2Pattern;
    // Part3
    TupleExpr part3Pattern = null;
    for (Variable theTargetVariable : targetVariables) {
        Variable aTargetVariable = new Variable(theTargetVariable.getName(), theTargetVariable.getValue());
        TupleExpr aTargetPattern = null;
        if (isInverseOf) {
            if (subject != null && isSubjectOf != null) {
                StatementPattern subjectPattern = new StatementPattern(reificationVariable, subjectVariable, aTargetVariable);
                StatementPattern isSubjectOfPattern = new StatementPattern(aTargetVariable, isSubjectOfVariable, reificationVariable);
                aTargetPattern = new Union(subjectPattern, isSubjectOfPattern);
            } else if (subject != null) {
                StatementPattern subjectPattern = new StatementPattern(reificationVariable, subjectVariable, aTargetVariable);
                aTargetPattern = subjectPattern;
            } else if (isSubjectOf != null) {
                StatementPattern isSubjectOfPattern = new StatementPattern(aTargetVariable, isSubjectOfVariable, reificationVariable);
                aTargetPattern = isSubjectOfPattern;
            } else {
            }
        } else {
            if (object != null && isObjectOf != null) {
                StatementPattern objectPattern = new StatementPattern(reificationVariable, objectVariable, aTargetVariable);
                StatementPattern isObjectOfPattern = new StatementPattern(aTargetVariable, isObjectOfVariable, reificationVariable);
                aTargetPattern = new Union(objectPattern, isObjectOfPattern);
            } else if (object != null) {
                StatementPattern objectPattern = new StatementPattern(reificationVariable, objectVariable, aTargetVariable);
                aTargetPattern = objectPattern;
            } else if (isObjectOf != null) {
                StatementPattern isObjectOfPattern = new StatementPattern(aTargetVariable, isObjectOfVariable, reificationVariable);
                aTargetPattern = isObjectOfPattern;
            } else {
            }
        }
        if (part3Pattern != null) {
            Join newPart3Pattern = new Join(part3Pattern, aTargetPattern);
            part3Pattern = newPart3Pattern;
        } else {
            part3Pattern = aTargetPattern;
        }
    }
    if (part12Pattern != null && part3Pattern != null)
        reifiedPredicatePattern = new Join(part12Pattern, part3Pattern);
    else if (part12Pattern != null)
        reifiedPredicatePattern = part12Pattern;
    else if (part3Pattern != null)
        reifiedPredicatePattern = part3Pattern;
    Variable objectFilterTargetVariable;
    if (objectFilterElement != null) {
        objectFilterTargetVariable = new Variable(targetVariable.getName(), targetVariable.getValue());
        reifiedPredicatePattern = objectFilterElement.filterExpression(objectFilterTargetVariable, intermediatePredicateVariable, null, reifiedPredicatePattern, customQueryOptions).getTupleExpr();
    }
    if (statementFilterElement != null) {
        reifiedPredicatePattern = statementFilterElement.filterExpression(reificationVariable, intermediatePredicateVariable, null, reifiedPredicatePattern, customQueryOptions).getTupleExpr();
    }
    StatementBinding statementBinding = new StatementBinding(sourceVariable, getReification(), reificationVariable, predicateVariable, getIsDereified() ? reificationVariable : targetVariable, getIsInverseOf(), getIsDereified());
    if (predicatePattern == null) {
        predicatePattern = new PathTupleExpr(reifiedPredicatePattern);
    } else {
        predicatePattern.setTupleExpr(new Join(predicatePattern.getTupleExpr(), reifiedPredicatePattern));
    }
    predicatePattern.setStatementBinding(statementBinding);
    predicatePattern.setBoundVariable(predicatePattern.getStatementBinding().getSourceVariable());
    predicatePattern.getPath().add(statementBinding);
    return predicatePattern;
}