Examples with Mutable org.apache.commons.lang3.mutable.Mutable used on opensource projects

Example 31 with Mutable

use of org.apache.commons.lang3.mutable.Mutable in project asterixdb by apache.

the class IntroduceAutogenerateIDRule method createNotNullFunction.

private ILogicalExpression createNotNullFunction(ILogicalExpression mergedRec) {
    List<Mutable<ILogicalExpression>> args = new ArrayList<>();
    args.add(new MutableObject<ILogicalExpression>(mergedRec));
    AbstractFunctionCallExpression notNullFn = new ScalarFunctionCallExpression(FunctionUtil.getFunctionInfo(BuiltinFunctions.CHECK_UNKNOWN), args);
    return notNullFn;
}

Example 32 with Mutable

use of org.apache.commons.lang3.mutable.Mutable in project asterixdb by apache.

the class PushFieldAccessRule method pushAccessDown.

// indirect recursivity with propagateFieldAccessRec
private void pushAccessDown(Mutable<ILogicalOperator> fldAccessOpRef, ILogicalOperator op2, Mutable<ILogicalOperator> inputOfOp2, IOptimizationContext context, String finalAnnot) throws AlgebricksException {
    ILogicalOperator fieldAccessOp = fldAccessOpRef.getValue();
    fldAccessOpRef.setValue(op2);
    List<Mutable<ILogicalOperator>> faInpList = fieldAccessOp.getInputs();
    faInpList.clear();
    faInpList.add(new MutableObject<ILogicalOperator>(inputOfOp2.getValue()));
    inputOfOp2.setValue(fieldAccessOp);
    // typing
    context.computeAndSetTypeEnvironmentForOperator(fieldAccessOp);
    context.computeAndSetTypeEnvironmentForOperator(op2);
    propagateFieldAccessRec(inputOfOp2, context, finalAnnot);
}

Example 33 with Mutable

use of org.apache.commons.lang3.mutable.Mutable in project asterixdb by apache.

the class PushGroupByThroughProduct method canPushThrough.

private PushTestResult canPushThrough(GroupByOperator gby, ILogicalOperator branch, List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> toPush, List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> notToPush) throws AlgebricksException {
    Collection<LogicalVariable> fromBranch = new HashSet<LogicalVariable>();
    VariableUtilities.getLiveVariables(branch, fromBranch);
    Collection<LogicalVariable> usedInGbyExprList = new ArrayList<LogicalVariable>();
    for (Pair<LogicalVariable, Mutable<ILogicalExpression>> p : gby.getGroupByList()) {
        p.second.getValue().getUsedVariables(usedInGbyExprList);
    }
    if (!fromBranch.containsAll(usedInGbyExprList)) {
        return PushTestResult.FALSE;
    }
    Set<LogicalVariable> free = new HashSet<LogicalVariable>();
    for (ILogicalPlan p : gby.getNestedPlans()) {
        for (Mutable<ILogicalOperator> r : p.getRoots()) {
            OperatorPropertiesUtil.getFreeVariablesInSelfOrDesc((AbstractLogicalOperator) r.getValue(), free);
        }
    }
    if (!fromBranch.containsAll(free)) {
        return PushTestResult.FALSE;
    }
    Set<LogicalVariable> decorVarRhs = new HashSet<LogicalVariable>();
    decorVarRhs.clear();
    for (Pair<LogicalVariable, Mutable<ILogicalExpression>> p : gby.getDecorList()) {
        ILogicalExpression expr = p.second.getValue();
        if (expr.getExpressionTag() != LogicalExpressionTag.VARIABLE) {
            return PushTestResult.FALSE;
        }
        VariableReferenceExpression varRef = (VariableReferenceExpression) expr;
        LogicalVariable v = varRef.getVariableReference();
        if (decorVarRhs.contains(v)) {
            return PushTestResult.REPEATED_DECORS;
        }
        decorVarRhs.add(v);
        if (fromBranch.contains(v)) {
            toPush.add(p);
        } else {
            notToPush.add(p);
        }
    }
    return PushTestResult.TRUE;
}

Example 34 with Mutable

use of org.apache.commons.lang3.mutable.Mutable in project asterixdb by apache.

the class PushAggFuncIntoStandaloneAggregateRule method pushAggregateFunction.

private boolean pushAggregateFunction(AggregateOperator aggOp, AssignOperator assignOp, IOptimizationContext context) throws AlgebricksException {
    Mutable<ILogicalOperator> opRef3 = aggOp.getInputs().get(0);
    AbstractLogicalOperator op3 = (AbstractLogicalOperator) opRef3.getValue();
    // If there's a group by below the agg, then we want to have the agg pushed into the group by.
    if (op3.getOperatorTag() == LogicalOperatorTag.GROUP) {
        return false;
    }
    if (aggOp.getVariables().size() != 1) {
        return false;
    }
    ILogicalExpression aggExpr = aggOp.getExpressions().get(0).getValue();
    if (aggExpr.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
        return false;
    }
    AbstractFunctionCallExpression origAggFuncExpr = (AbstractFunctionCallExpression) aggExpr;
    if (origAggFuncExpr.getFunctionIdentifier() != BuiltinFunctions.LISTIFY) {
        return false;
    }
    LogicalVariable aggVar = aggOp.getVariables().get(0);
    List<LogicalVariable> used = new LinkedList<LogicalVariable>();
    VariableUtilities.getUsedVariables(assignOp, used);
    if (!used.contains(aggVar)) {
        return false;
    }
    List<Mutable<ILogicalExpression>> srcAssignExprRefs = new LinkedList<Mutable<ILogicalExpression>>();
    if (fingAggFuncExprRef(assignOp.getExpressions(), aggVar, srcAssignExprRefs) == false) {
        return false;
    }
    if (srcAssignExprRefs.isEmpty()) {
        return false;
    }
    AbstractFunctionCallExpression aggOpExpr = (AbstractFunctionCallExpression) aggOp.getExpressions().get(0).getValue();
    aggOp.getExpressions().clear();
    aggOp.getVariables().clear();
    for (Mutable<ILogicalExpression> srcAssignExprRef : srcAssignExprRefs) {
        AbstractFunctionCallExpression assignFuncExpr = (AbstractFunctionCallExpression) srcAssignExprRef.getValue();
        FunctionIdentifier aggFuncIdent = BuiltinFunctions.getAggregateFunction(assignFuncExpr.getFunctionIdentifier());
        // Push the agg func into the agg op.
        List<Mutable<ILogicalExpression>> aggArgs = new ArrayList<Mutable<ILogicalExpression>>();
        aggArgs.add(aggOpExpr.getArguments().get(0));
        AggregateFunctionCallExpression aggFuncExpr = BuiltinFunctions.makeAggregateFunctionExpression(aggFuncIdent, aggArgs);
        LogicalVariable newVar = context.newVar();
        aggOp.getVariables().add(newVar);
        aggOp.getExpressions().add(new MutableObject<ILogicalExpression>(aggFuncExpr));
        // The assign now just "renames" the variable to make sure the upstream plan still works.
        srcAssignExprRef.setValue(new VariableReferenceExpression(newVar));
    }
    context.computeAndSetTypeEnvironmentForOperator(aggOp);
    context.computeAndSetTypeEnvironmentForOperator(assignOp);
    return true;
}

Example 35 with Mutable

use of org.apache.commons.lang3.mutable.Mutable in project asterixdb by apache.

the class AddEquivalenceClassForRecordConstructorRule method rewritePost.

@Override
public boolean rewritePost(Mutable<ILogicalOperator> opRef, IOptimizationContext context) throws AlgebricksException {
    AbstractLogicalOperator op = (AbstractLogicalOperator) opRef.getValue();
    if (op.getOperatorTag() != LogicalOperatorTag.ASSIGN) {
        return false;
    }
    // Computes FDs and equivalence classes for the operator.
    PhysicalOptimizationsUtil.computeFDsAndEquivalenceClasses(op, context);
    AssignOperator assignOp = (AssignOperator) op;
    List<LogicalVariable> vars = assignOp.getVariables();
    List<Mutable<ILogicalExpression>> exprRefs = assignOp.getExpressions();
    return addEquivalenceClassesForRecordConstructor(vars, exprRefs, assignOp, context);
}