org.apache.ignite.internal.jdbc.thin

Class JdbcThinUtils

java.lang.Object

org.apache.ignite.internal.jdbc.thin.JdbcThinUtils

public class JdbcThinUtils
extends Object

Utility methods for thin JDBC driver.

Field Summary

Fields

Modifier and Type	Field and Description
static String	PROP_HOST Hostname property name.
static String	PROP_PORT Port number property name.
static String	URL_PREFIX URL prefix.

Constructor Summary

Constructors

Constructor and Description
JdbcThinUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	isPlainJdbcType(int type)
static boolean	nullable(String name, String cls) Determines whether type is nullable.
static @Nullable Boolean	nullableBooleanFromByte(byte raw) Converts raw byte value to the nullable Boolean.
static byte	nullableBooleanToByte(@Nullable Boolean val) Converts nullable Boolean to the raw byte.
static int	type(String cls) Converts Java class name to type from Types.
static String	typeName(String cls) Converts Java class name to SQL type name.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

URL_PREFIX

public static final String URL_PREFIX

URL prefix.

See Also:

Constant Field Values

PROP_PORT

public static final String PROP_PORT

Port number property name.

See Also:

Constant Field Values

PROP_HOST

public static final String PROP_HOST

Hostname property name.

See Also:

Constant Field Values

Constructor Detail

JdbcThinUtils

public JdbcThinUtils()

Method Detail

type

public static int type(String cls)

Converts Java class name to type from Types.

Parameters:

cls - Java class name.

Returns:

Type from Types.

typeName

public static String typeName(String cls)

Converts Java class name to SQL type name.

Parameters:

cls - Java class name.

Returns:

SQL type name.

isPlainJdbcType

public static boolean isPlainJdbcType(int type)

Parameters:

type - a value from java.sql.Types.

Returns:

true if type is plain and supported by thin JDBC driver.

nullable

public static boolean nullable(String name,
                               String cls)

Determines whether type is nullable.

Parameters:

name - Column name.

cls - Java class name.

Returns:

True if nullable.

nullableBooleanFromByte

@Nullable
public static @Nullable Boolean nullableBooleanFromByte(byte raw)

Converts raw byte value to the nullable Boolean. Useful for the deserialization in the handshake.

Parameters:

raw - byte value to convert to Boolean.

Returns:

converted value.

nullableBooleanToByte

public static byte nullableBooleanToByte(@Nullable
                                         @Nullable Boolean val)

Converts nullable Boolean to the raw byte. Useful for the serialization in the handshake.

Parameters:

val - value to convert.

Returns:

byte representation.