Examples with SQLExpressionFactory org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory used on opensource projects

Example 26 with SQLExpressionFactory

use of org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory in project datanucleus-rdbms by datanucleus.

the class MathPowerMethod method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression ignore, List<SQLExpression> args) {
    if (args == null || args.size() == 0) {
        throw new NucleusUserException("Cannot invoke Math.power without an argument");
    }
    SQLExpression expr = args.get(0);
    if (expr == null) {
        return new NullLiteral(stmt, null, null, null);
    } else if (expr instanceof SQLLiteral) {
        if (expr instanceof ByteLiteral) {
            int originalValue = ((BigInteger) ((ByteLiteral) expr).getValue()).intValue();
            BigInteger absValue = new BigInteger(String.valueOf(Math.cos(originalValue)));
            return new ByteLiteral(stmt, expr.getJavaTypeMapping(), absValue, null);
        } else if (expr instanceof IntegerLiteral) {
            int originalValue = ((Number) ((IntegerLiteral) expr).getValue()).intValue();
            Double absValue = new Double(Math.cos(originalValue));
            return new FloatingPointLiteral(stmt, expr.getJavaTypeMapping(), absValue, null);
        } else if (expr instanceof FloatingPointLiteral) {
            double originalValue = ((BigDecimal) ((FloatingPointLiteral) expr).getValue()).doubleValue();
            Double absValue = new Double(Math.cos(originalValue));
            return new FloatingPointLiteral(stmt, expr.getJavaTypeMapping(), absValue, null);
        }
        throw new IllegalExpressionOperationException("Math.power()", expr);
    } else {
        // Relay to the equivalent "cos(expr)" function
        SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
        return exprFactory.invokeMethod(stmt, null, "POWER", null, args);
    }
}

Example 27 with SQLExpressionFactory

use of org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory in project datanucleus-rdbms by datanucleus.

the class MathSinMethod method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression ignore, List<SQLExpression> args) {
    if (args == null || args.size() == 0) {
        throw new NucleusUserException("Cannot invoke Math.sin without an argument");
    }
    SQLExpression expr = args.get(0);
    if (expr == null) {
        return new NullLiteral(stmt, null, null, null);
    } else if (expr instanceof SQLLiteral) {
        if (expr instanceof ByteLiteral) {
            int originalValue = ((BigInteger) ((ByteLiteral) expr).getValue()).intValue();
            BigInteger absValue = new BigInteger(String.valueOf(Math.sin(originalValue)));
            return new ByteLiteral(stmt, expr.getJavaTypeMapping(), absValue, null);
        } else if (expr instanceof IntegerLiteral) {
            int originalValue = ((Number) ((IntegerLiteral) expr).getValue()).intValue();
            Double absValue = new Double(Math.sin(originalValue));
            return new FloatingPointLiteral(stmt, expr.getJavaTypeMapping(), absValue, null);
        } else if (expr instanceof FloatingPointLiteral) {
            double originalValue = ((BigDecimal) ((FloatingPointLiteral) expr).getValue()).doubleValue();
            Double absValue = new Double(Math.sin(originalValue));
            return new FloatingPointLiteral(stmt, expr.getJavaTypeMapping(), absValue, null);
        }
        throw new IllegalExpressionOperationException("Math.sin()", expr);
    } else {
        // Relay to the equivalent "sin(expr)" function
        SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
        return exprFactory.invokeMethod(stmt, null, "sin", null, args);
    }
}

Example 28 with SQLExpressionFactory

use of org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory in project datanucleus-rdbms by datanucleus.

the class MathTanMethod method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression ignore, List<SQLExpression> args) {
    if (args == null || args.size() == 0) {
        throw new NucleusUserException("Cannot invoke Math.tan without an argument");
    }
    SQLExpression expr = args.get(0);
    if (expr == null) {
        return new NullLiteral(stmt, null, null, null);
    } else if (expr instanceof SQLLiteral) {
        if (expr instanceof ByteLiteral) {
            int originalValue = ((BigInteger) ((ByteLiteral) expr).getValue()).intValue();
            BigInteger absValue = new BigInteger(String.valueOf(Math.tan(originalValue)));
            return new ByteLiteral(stmt, expr.getJavaTypeMapping(), absValue, null);
        } else if (expr instanceof IntegerLiteral) {
            int originalValue = ((Number) ((IntegerLiteral) expr).getValue()).intValue();
            Double absValue = new Double(Math.tan(originalValue));
            return new FloatingPointLiteral(stmt, expr.getJavaTypeMapping(), absValue, null);
        } else if (expr instanceof FloatingPointLiteral) {
            double originalValue = ((BigDecimal) ((FloatingPointLiteral) expr).getValue()).doubleValue();
            Double absValue = new Double(Math.tan(originalValue));
            return new FloatingPointLiteral(stmt, expr.getJavaTypeMapping(), absValue, null);
        }
        throw new IllegalExpressionOperationException("Math.tan()", expr);
    } else {
        // Relay to the equivalent "tan(expr)" function
        SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
        return exprFactory.invokeMethod(stmt, null, "tan", null, args);
    }
}

Example 29 with SQLExpressionFactory

use of org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory in project datanucleus-rdbms by datanucleus.

the class StringIndexOf5Method method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args) {
    if (args == null || args.size() == 0 || args.size() > 2) {
        throw new NucleusException(Localiser.msg("060003", "indexOf", "StringExpression", 0, "StringExpression/CharacterExpression/ParameterLiteral"));
    }
    // {stringExpr}.indexOf(strExpr1 [,numExpr2])
    SQLExpression substrExpr = args.get(0);
    if (!(substrExpr instanceof StringExpression) && !(substrExpr instanceof CharacterExpression) && !(substrExpr instanceof ParameterLiteral)) {
        throw new NucleusException(Localiser.msg("060003", "indexOf", "StringExpression", 0, "StringExpression/CharacterExpression/ParameterLiteral"));
    }
    ArrayList funcArgs = new ArrayList();
    if (args.size() == 1) {
        // strExpr.indexOf(str1)
        funcArgs.add(expr);
        funcArgs.add(substrExpr);
        SQLExpression oneExpr = ExpressionUtils.getLiteralForOne(stmt);
        NumericExpression locateExpr = new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class, true), "STRPOS", funcArgs);
        return new NumericExpression(locateExpr, Expression.OP_SUB, oneExpr);
    }
    // strExpr.indexOf(str1, pos)
    SQLExpression fromExpr = args.get(1);
    if (!(fromExpr instanceof NumericExpression)) {
        throw new NucleusException(Localiser.msg("060003", "indexOf", "StringExpression", 1, "NumericExpression"));
    }
    // Find the substring starting at this position
    SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
    ArrayList substrArgs = new ArrayList(1);
    substrArgs.add(fromExpr);
    SQLExpression strExpr = exprFactory.invokeMethod(stmt, "java.lang.String", "substring", expr, substrArgs);
    funcArgs.add(strExpr);
    funcArgs.add(substrExpr);
    NumericExpression locateExpr = new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class, true), "STRPOS", funcArgs);
    SQLExpression[] whenExprs = new SQLExpression[1];
    NumericExpression zeroExpr = new IntegerLiteral(stmt, exprFactory.getMappingForType(Integer.class, false), Integer.valueOf(0), null);
    whenExprs[0] = locateExpr.gt(zeroExpr);
    SQLExpression[] actionExprs = new SQLExpression[1];
    SQLExpression oneExpr = ExpressionUtils.getLiteralForOne(stmt);
    NumericExpression posExpr1 = new NumericExpression(locateExpr, Expression.OP_SUB, oneExpr);
    actionExprs[0] = new NumericExpression(posExpr1, Expression.OP_ADD, fromExpr);
    SQLExpression elseExpr = new IntegerLiteral(stmt, exprFactory.getMappingForType(Integer.class, false), Integer.valueOf(-1), null);
    return new CaseNumericExpression(whenExprs, actionExprs, elseExpr);
}

Example 30 with SQLExpressionFactory

use of org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory in project datanucleus-rdbms by datanucleus.

the class StringLength2Method method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args) {
    DatastoreAdapter dba = stmt.getDatastoreAdapter();
    if (!(dba instanceof FirebirdAdapter)) {
        throw new NucleusException("StringLength2Method being used for evaluation of String.length yet this is for Firebird ONLY. Please report this");
    }
    FirebirdAdapter fba = (FirebirdAdapter) dba;
    SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
    if (fba.supportsCharLengthFunction()) {
        // Firebird v2+ support CHAR_LENGTH
        if (!expr.isParameter() && expr instanceof StringLiteral) {
            JavaTypeMapping m = exprFactory.getMappingForType(int.class, false);
            String val = (String) ((StringLiteral) expr).getValue();
            return new IntegerLiteral(stmt, m, Integer.valueOf(val.length()), null);
        } else if (expr instanceof StringExpression || expr instanceof ParameterLiteral) {
            ArrayList funcArgs = new ArrayList();
            funcArgs.add(expr);
            return new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class), "CHAR_LENGTH", funcArgs);
        } else {
            throw new NucleusException(Localiser.msg("060001", "length", expr));
        }
    }
    if (expr instanceof StringLiteral) {
        // Firebird v1 requires STRLEN
        JavaTypeMapping m = exprFactory.getMappingForType(int.class, false);
        String val = (String) ((StringLiteral) expr).getValue();
        return new IntegerLiteral(stmt, m, Integer.valueOf(val.length()), null);
    } else if (expr instanceof StringExpression || expr instanceof ParameterLiteral) {
        ArrayList funcArgs = new ArrayList();
        funcArgs.add(expr);
        return new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class), "STRLEN", funcArgs);
    } else {
        throw new NucleusException(Localiser.msg("060001", "length", expr));
    }
}