Examples with IAssociation org.matheclipse.core.interfaces.IAssociation used on opensource projects

Example 11 with IAssociation

use of org.matheclipse.core.interfaces.IAssociation in project symja_android_library by axkr.

the class ASTDataset method normal.

@Override
public IASTAppendable normal(boolean nilIfUnevaluated) {
    Cache<IAST, IAST> cache = CacheBuilder.newBuilder().maximumSize(500).build();
    final List<String> names = fTable.columnNames();
    List<IStringX> namesStr = new ArrayList<IStringX>(names.size());
    for (int i = 0; i < names.size(); i++) {
        namesStr.add(F.stringx(names.get(i)));
    }
    if (names.size() == 1) {
        Column<?> column = fTable.column(names.get(0));
        ColumnType t = column.type();
        IASTAppendable resultList = F.ListAlloc(column.size());
        for (int j = 0; j < column.size(); j++) {
            Object obj = column.get(j);
            IExpr expr = F.NIL;
            expr = dataToExpr(obj, t);
            resultList.append(expr);
        }
        return resultList;
    }
    IASTAppendable list = F.ListAlloc(names.size());
    int size = fTable.rowCount();
    for (int k = 0; k < size; k++) {
        Row row = fTable.row(k);
        IAssociation assoc = F.assoc();
        for (int j = 0; j < row.columnCount(); j++) {
            String columnName = names.get(j);
            IStringX colName = namesStr.get(j);
            ColumnType t = row.getColumnType(columnName);
            Object obj = row.getObject(j);
            if (t.equals(ColumnType.EXPR)) {
                IExpr expr = (IExpr) obj;
                ruleCache(cache, assoc, F.Rule(colName, expr));
            } else if (t.equals(ColumnType.BOOLEAN)) {
                Boolean b = row.getBoolean(j);
                if (b) {
                    ruleCache(cache, assoc, F.Rule(colName, S.True));
                } else {
                    ruleCache(cache, assoc, F.Rule(colName, S.False));
                }
            } else if (t.equals(ColumnType.SHORT)) {
                short sValue = row.getShort(j);
                ruleCache(cache, assoc, F.Rule(colName, F.ZZ(sValue)));
            } else if (t.equals(ColumnType.INTEGER)) {
                int iValue = row.getInt(j);
                ruleCache(cache, assoc, F.Rule(colName, F.ZZ(iValue)));
            } else if (t.equals(ColumnType.LONG)) {
                long lValue = row.getLong(j);
                ruleCache(cache, assoc, F.Rule(colName, F.ZZ(lValue)));
            } else if (t.equals(ColumnType.FLOAT)) {
                float fValue = row.getFloat(j);
                ruleCache(cache, assoc, F.Rule(colName, F.num(fValue)));
            } else if (t.equals(ColumnType.DOUBLE)) {
                double dValue = row.getDouble(j);
                ruleCache(cache, assoc, F.Rule(colName, F.num(dValue)));
            } else if (t.equals(ColumnType.STRING)) {
                ruleCache(cache, assoc, F.Rule(colName, F.stringx(row.getString(j))));
            } else if (t.equals(ColumnType.LOCAL_DATE_TIME)) {
                LocalDateTime lDate = row.getDateTime(j);
                ruleCache(cache, assoc, F.Rule(colName, DateObjectExpr.newInstance(lDate)));
            } else if (t.equals(ColumnType.LOCAL_DATE)) {
                LocalDate lDate = row.getDate(j);
                ruleCache(cache, assoc, F.Rule(colName, DateObjectExpr.newInstance(lDate.atStartOfDay())));
            } else if (t.equals(ColumnType.LOCAL_TIME)) {
                LocalTime lTime = row.getTime(j);
                ruleCache(cache, assoc, F.Rule(colName, TimeObjectExpr.newInstance(lTime)));
            } else if (t.equals(ColumnType.SKIP)) {
                // ruleCache(cache, assoc, F.Rule(colName, F.Missing));
                ruleCache(cache, assoc, F.Rule(colName, F.Missing(S.NotAvailable)));
            } else {
                IExpr valueStr = F.stringx(obj.toString());
                ruleCache(cache, assoc, F.Rule(colName, valueStr));
            }
        }
        if (size == 1) {
            return assoc;
        }
        list.append(assoc);
    }
    return list;
}

Example 12 with IAssociation

use of org.matheclipse.core.interfaces.IAssociation in project symja_android_library by axkr.

the class VisitorLevelSpecification method visit.

@Override
public IExpr visit(IAssociation assoc) {
    IAssociation[] result = new IAssociation[] { F.NIL };
    if (assoc.isPresent()) {
        int[] minDepth = new int[] { 0 };
        try {
            fCurrentLevel++;
            if (fIncludeHeads) {
            // no include head for associations
            }
            assoc.forEach((x, i) -> {
                final IExpr temp = x.accept(this);
                if (temp.isPresent()) {
                    if (!result[0].isPresent()) {
                        result[0] = createResult(assoc, temp);
                    }
                    result[0].set(i, assoc.getRule(i).setAtCopy(2, temp));
                }
                if (fCurrentDepth < minDepth[0]) {
                    minDepth[0] = fCurrentDepth;
                }
            });
        } finally {
            fCurrentLevel--;
        }
        fCurrentDepth = --minDepth[0];
        if (isInRange(fCurrentLevel, minDepth[0])) {
            if (!result[0].isPresent()) {
                return fFunction.apply(assoc);
            } else {
                IExpr temp = fFunction.apply(result[0]);
                if (temp.isPresent()) {
                    return temp;
                }
            }
        }
    }
    return result[0];
}