Examples with SessionInterface org.h2.engine.SessionInterface used on opensource projects

Example 1 with SessionInterface

use of org.h2.engine.SessionInterface in project h2database by h2database.

the class DataType method convertToValue1.

private static Value convertToValue1(SessionInterface session, Object x, int type) {
    if (x == null) {
        return ValueNull.INSTANCE;
    }
    if (type == Value.JAVA_OBJECT) {
        return ValueJavaObject.getNoCopy(x, null, session.getDataHandler());
    }
    if (x instanceof String) {
        return ValueString.get((String) x);
    } else if (x instanceof Value) {
        return (Value) x;
    } else if (x instanceof Long) {
        return ValueLong.get(((Long) x).longValue());
    } else if (x instanceof Integer) {
        return ValueInt.get(((Integer) x).intValue());
    } else if (x instanceof BigInteger) {
        return ValueDecimal.get(new BigDecimal((BigInteger) x));
    } else if (x instanceof BigDecimal) {
        return ValueDecimal.get((BigDecimal) x);
    } else if (x instanceof Boolean) {
        return ValueBoolean.get(((Boolean) x).booleanValue());
    } else if (x instanceof Byte) {
        return ValueByte.get(((Byte) x).byteValue());
    } else if (x instanceof Short) {
        return ValueShort.get(((Short) x).shortValue());
    } else if (x instanceof Float) {
        return ValueFloat.get(((Float) x).floatValue());
    } else if (x instanceof Double) {
        return ValueDouble.get(((Double) x).doubleValue());
    } else if (x instanceof byte[]) {
        return ValueBytes.get((byte[]) x);
    } else if (x instanceof Date) {
        return ValueDate.get((Date) x);
    } else if (x instanceof Time) {
        return ValueTime.get((Time) x);
    } else if (x instanceof Timestamp) {
        return ValueTimestamp.get((Timestamp) x);
    } else if (x instanceof java.util.Date) {
        return ValueTimestamp.fromMillis(((java.util.Date) x).getTime());
    } else if (x instanceof java.io.Reader) {
        Reader r = new BufferedReader((java.io.Reader) x);
        return session.getDataHandler().getLobStorage().createClob(r, -1);
    } else if (x instanceof java.sql.Clob) {
        try {
            java.sql.Clob clob = (java.sql.Clob) x;
            Reader r = new BufferedReader(clob.getCharacterStream());
            return session.getDataHandler().getLobStorage().createClob(r, clob.length());
        } catch (SQLException e) {
            throw DbException.convert(e);
        }
    } else if (x instanceof java.io.InputStream) {
        return session.getDataHandler().getLobStorage().createBlob((java.io.InputStream) x, -1);
    } else if (x instanceof java.sql.Blob) {
        try {
            java.sql.Blob blob = (java.sql.Blob) x;
            return session.getDataHandler().getLobStorage().createBlob(blob.getBinaryStream(), blob.length());
        } catch (SQLException e) {
            throw DbException.convert(e);
        }
    } else if (x instanceof java.sql.Array) {
        java.sql.Array array = (java.sql.Array) x;
        try {
            return convertToValue(session, array.getArray(), Value.ARRAY);
        } catch (SQLException e) {
            throw DbException.convert(e);
        }
    } else if (x instanceof ResultSet) {
        if (x instanceof SimpleResultSet) {
            return ValueResultSet.get((ResultSet) x);
        }
        return ValueResultSet.getCopy((ResultSet) x, Integer.MAX_VALUE);
    } else if (x instanceof UUID) {
        return ValueUuid.get((UUID) x);
    }
    Class<?> clazz = x.getClass();
    if (x instanceof Object[]) {
        // (a.getClass().isArray());
        // (a.getClass().getComponentType().isPrimitive());
        Object[] o = (Object[]) x;
        int len = o.length;
        Value[] v = new Value[len];
        for (int i = 0; i < len; i++) {
            v[i] = convertToValue(session, o[i], type);
        }
        return ValueArray.get(clazz.getComponentType(), v);
    } else if (x instanceof Character) {
        return ValueStringFixed.get(((Character) x).toString());
    } else if (isGeometry(x)) {
        return ValueGeometry.getFromGeometry(x);
    } else if (clazz == LocalDateTimeUtils.LOCAL_DATE) {
        return LocalDateTimeUtils.localDateToDateValue(x);
    } else if (clazz == LocalDateTimeUtils.LOCAL_TIME) {
        return LocalDateTimeUtils.localTimeToTimeValue(x);
    } else if (clazz == LocalDateTimeUtils.LOCAL_DATE_TIME) {
        return LocalDateTimeUtils.localDateTimeToValue(x);
    } else if (clazz == LocalDateTimeUtils.INSTANT) {
        return LocalDateTimeUtils.instantToValue(x);
    } else if (clazz == LocalDateTimeUtils.OFFSET_DATE_TIME) {
        return LocalDateTimeUtils.offsetDateTimeToValue(x);
    } else if (x instanceof TimestampWithTimeZone) {
        return ValueTimestampTimeZone.get((TimestampWithTimeZone) x);
    } else {
        if (JdbcUtils.customDataTypesHandler != null) {
            return JdbcUtils.customDataTypesHandler.getValue(type, x, session.getDataHandler());
        }
        return ValueJavaObject.getNoCopy(x, null, session.getDataHandler());
    }
}

Example 2 with SessionInterface

use of org.h2.engine.SessionInterface in project h2database by h2database.

the class JdbcDatabaseMetaData method hasSynonyms.

private boolean hasSynonyms() {
    Boolean hasSynonyms = this.hasSynonyms;
    if (hasSynonyms == null) {
        SessionInterface si = conn.getSession();
        if (si instanceof SessionRemote) {
            SessionRemote sr = (SessionRemote) si;
            int clientVersion = sr.getClientVersion();
            if (clientVersion >= Constants.TCP_PROTOCOL_VERSION_17) {
                hasSynonyms = true;
            } else if (clientVersion <= Constants.TCP_PROTOCOL_VERSION_15) {
                hasSynonyms = false;
            } else {
                // 1.4.194-1.4.196
                CommandInterface c = sr.prepareCommand("CALL H2VERSION()", Integer.MAX_VALUE);
                ResultInterface result = c.executeQuery(0, false);
                result.next();
                String s = result.currentRow()[0].getString();
                result.close();
                hasSynonyms = "1.4.196".equals(s);
            }
        } else {
            hasSynonyms = true;
        }
        this.hasSynonyms = hasSynonyms;
    }
    return hasSynonyms;
}

Example 3 with SessionInterface

use of org.h2.engine.SessionInterface in project h2database by h2database.

the class JdbcStatement method checkClosed.

/**
 * INTERNAL.
 * Check if the statement is closed.
 *
 * @param write if the next operation is possibly writing
 * @return true if a reconnect was required
 * @throws DbException if it is closed
 */
protected boolean checkClosed(boolean write) {
    if (conn == null) {
        throw DbException.get(ErrorCode.OBJECT_CLOSED);
    }
    conn.checkClosed(write);
    SessionInterface s = conn.getSession();
    if (s != session) {
        session = s;
        trace = session.getTrace();
        return true;
    }
    return false;
}