Package org.apache.ignite.internal.processors.odbc.jdbc

Class JdbcUtils

java.lang.Object

org.apache.ignite.internal.processors.odbc.jdbc.JdbcUtils

public class JdbcUtils
extends Object

Various JDBC utility methods.

Constructor Summary

Constructors

Constructor	Description
JdbcUtils()

Method Summary

Modifier and Type	Method	Description
static List<List<Object>>	readItems(BinaryReaderExImpl reader, JdbcProtocolContext protoCtx)
static @Nullable Integer	readNullableInteger(BinaryReaderExImpl reader)	Read nullable Integer.
static @Nullable Object	readObject(BinaryReaderExImpl reader, JdbcProtocolContext protoCtx)
static @Nullable Object	readObject(BinaryReaderExImpl reader, JdbcProtocolContext protoCtx, boolean createByteArrayCopy)
static List<String>	readStringList(BinaryReaderExImpl reader)
static void	writeItems(BinaryWriterExImpl writer, List<List<Object>> items, JdbcProtocolContext protoCtx)
static void	writeNullableInteger(BinaryWriterExImpl writer, @Nullable Integer val)	Write nullable integer.
static void	writeObject(BinaryWriterExImpl writer, @Nullable Object obj, JdbcProtocolContext protoCtx)
static void	writeStringCollection(BinaryWriterExImpl writer, Collection<String> lst)

Methods inherited from class java.lang.Object

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

Constructor Detail

JdbcUtils

public JdbcUtils()

Method Detail

writeItems

public static void writeItems(BinaryWriterExImpl writer,
                              List<List<Object>> items,
                              JdbcProtocolContext protoCtx)

Parameters:

writer - Binary writer.

items - Query results items.

readItems

public static List<List<Object>> readItems(BinaryReaderExImpl reader,
                                           JdbcProtocolContext protoCtx)

Parameters:

reader - Binary reader.

Returns:

Query results items.

writeStringCollection

public static void writeStringCollection(BinaryWriterExImpl writer,
                                         Collection<String> lst)

Parameters:

writer - Binary writer.

lst - List to write.

readStringList

public static List<String> readStringList(BinaryReaderExImpl reader)

Parameters:

reader - Binary reader.

Returns:

List of string.

readNullableInteger

@Nullable
public static @Nullable Integer readNullableInteger(BinaryReaderExImpl reader)

Read nullable Integer.

Parameters:

reader - Binary reader.

Returns:

read value.

writeNullableInteger

public static void writeNullableInteger(BinaryWriterExImpl writer,
                                        @Nullable
                                        @Nullable Integer val)

Write nullable integer.

Parameters:

writer - Binary writer.

val - Integer value..

readObject

@Nullable
public static @Nullable Object readObject(BinaryReaderExImpl reader,
                                          JdbcProtocolContext protoCtx,
                                          boolean createByteArrayCopy)
                                   throws BinaryObjectException

Parameters:

reader - Reader.

protoCtx - Protocol context.

createByteArrayCopy - Whether to create new copy or copy-on-write buffer for byte array.

Returns:

Read object.

Throws:

BinaryObjectException - On error.

readObject

@Nullable
public static @Nullable Object readObject(BinaryReaderExImpl reader,
                                          JdbcProtocolContext protoCtx)
                                   throws BinaryObjectException

Parameters:

reader - Reader.

protoCtx - Protocol context.

Returns:

Read object.

Throws:

BinaryObjectException - On error.

writeObject

public static void writeObject(BinaryWriterExImpl writer,
                               @Nullable
                               @Nullable Object obj,
                               JdbcProtocolContext protoCtx)
                        throws BinaryObjectException

Parameters:

writer - Writer.

obj - Object to write.

protoCtx - Protocol context.

Throws:

BinaryObjectException - On error.