Examples with ILangExpression org.apache.asterix.lang.common.base.ILangExpression used on opensource projects

Example 36 with ILangExpression

use of org.apache.asterix.lang.common.base.ILangExpression in project asterixdb by apache.

the class CloneAndSubstituteVariablesVisitor method visit.

@Override
public Pair<ILangExpression, VariableSubstitutionEnvironment> visit(ListConstructor lc, VariableSubstitutionEnvironment env) throws CompilationException {
    List<Expression> oldExprList = lc.getExprList();
    List<Expression> exprs = VariableCloneAndSubstitutionUtil.visitAndCloneExprList(oldExprList, env, this);
    ListConstructor c = new ListConstructor(lc.getType(), exprs);
    return new Pair<>(c, env);
}

Example 37 with ILangExpression

use of org.apache.asterix.lang.common.base.ILangExpression in project asterixdb by apache.

the class CloneAndSubstituteVariablesVisitor method visit.

@Override
public Pair<ILangExpression, VariableSubstitutionEnvironment> visit(OperatorExpr op, VariableSubstitutionEnvironment env) throws CompilationException {
    List<Expression> oldExprList = op.getExprList();
    List<Expression> exprs = new ArrayList<>(oldExprList.size());
    for (Expression e : oldExprList) {
        Pair<ILangExpression, VariableSubstitutionEnvironment> p1 = e.accept(this, env);
        exprs.add((Expression) p1.first);
    }
    OperatorExpr oe = new OperatorExpr(exprs, op.getExprBroadcastIdx(), op.getOpList(), op.isCurrentop());
    return new Pair<>(oe, env);
}

Example 38 with ILangExpression

use of org.apache.asterix.lang.common.base.ILangExpression in project asterixdb by apache.

the class CloneAndSubstituteVariablesVisitor method visit.

@Override
public Pair<ILangExpression, VariableSubstitutionEnvironment> visit(FieldAccessor fa, VariableSubstitutionEnvironment env) throws CompilationException {
    Pair<ILangExpression, VariableSubstitutionEnvironment> p = fa.getExpr().accept(this, env);
    FieldAccessor newF = new FieldAccessor((Expression) p.first, fa.getIdent());
    return new Pair<>(newF, p.second);
}

Example 39 with ILangExpression

use of org.apache.asterix.lang.common.base.ILangExpression in project asterixdb by apache.

the class VariableCloneAndSubstitutionUtil method visitAndCloneExprList.

public static List<Expression> visitAndCloneExprList(List<Expression> oldExprList, VariableSubstitutionEnvironment arg, CloneAndSubstituteVariablesVisitor visitor) throws CompilationException {
    List<Expression> exprs = new ArrayList<>(oldExprList.size());
    for (Expression e : oldExprList) {
        Pair<ILangExpression, VariableSubstitutionEnvironment> p1 = e.accept(visitor, arg);
        exprs.add((Expression) p1.first);
    }
    return exprs;
}

Example 40 with ILangExpression

use of org.apache.asterix.lang.common.base.ILangExpression in project asterixdb by apache.

the class AQLCloneAndSubstituteVariablesVisitor method visit.

@Override
public Pair<ILangExpression, VariableSubstitutionEnvironment> visit(UnionExpr u, VariableSubstitutionEnvironment env) throws CompilationException {
    List<Expression> exprList = VariableCloneAndSubstitutionUtil.visitAndCloneExprList(u.getExprs(), env, this);
    UnionExpr newU = new UnionExpr(exprList);
    return new Pair<ILangExpression, VariableSubstitutionEnvironment>(newU, env);
}