GridH2Null (Ignite 2.17.0)

java.lang.Object
- org.apache.ignite.internal.processors.query.h2.twostep.msg.GridH2ValueMessage
- - org.apache.ignite.internal.processors.query.h2.twostep.msg.GridH2Null

All Implemented Interfaces:

Serializable, Message
```
public class GridH2Null
extends GridH2ValueMessage
```
Message for Value.NULL.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

static GridH2Null INSTANCE
- Fields inherited from interface org.apache.ignite.plugin.extensions.communication.Message
  DIRECT_TYPE_SIZE

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`short`	`directType()`
`byte`	`fieldsCount()`
`boolean`	`readFrom(ByteBuffer buf, MessageReader reader)`
`String`	`toString()`
`org.h2.value.Value`	`value(GridKernalContext ctx)`	Gets H2 value.
`boolean`	`writeTo(ByteBuffer buf, MessageWriter writer)`

Methods inherited from class org.apache.ignite.internal.processors.query.h2.twostep.msg.GridH2ValueMessage
onAckReceived

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail
- INSTANCE
```
public static GridH2Null INSTANCE
```

Method Detail

value
```
public org.h2.value.Value value(GridKernalContext ctx)
```
Gets H2 value.

Specified by:

value in class GridH2ValueMessage

Parameters:

ctx - Kernal context.

Returns:

Value.

writeTo

public boolean writeTo(ByteBuffer buf,
                       MessageWriter writer)

Specified by:: writeTo in interface Message
Overrides:: writeTo in class GridH2ValueMessage

readFrom

public boolean readFrom(ByteBuffer buf,
                        MessageReader reader)

Specified by:: readFrom in interface Message
Overrides:: readFrom in class GridH2ValueMessage

directType
```
public short directType()
```

fieldsCount
```
public byte fieldsCount()
```

toString
```
public String toString()
```
Overrides:

toString in class Object