org.apache.tinkerpop.gremlin.driver.ser.binary

Class GraphBinaryWriter

java.lang.Object

org.apache.tinkerpop.gremlin.driver.ser.binary.GraphBinaryWriter

public class GraphBinaryWriter
extends Object

Constructor Summary

Constructors

Constructor and Description
GraphBinaryWriter()
GraphBinaryWriter(TypeSerializerRegistry registry)

Method Summary

Modifier and Type	Method and Description
ByteBuf	getValueFlagNone() Gets a buffer containing a single byte with value 0, representing an unset value_flag.
ByteBuf	getValueFlagNull() Gets a buffer containing a single byte representing the null value_flag.
<T> ByteBuf	write(T value, ByteBufAllocator allocator) Writes an object in fully-qualified format, containing {type_code}{type_info}{value_flag}{value}.
<T> ByteBuf	writeFullyQualifiedNull(Class<T> objectClass, ByteBufAllocator allocator, Object information) Represents a null value of a specific type, useful when the parent type contains a type parameter that must be specified.
<T> ByteBuf	writeValue(T value, ByteBufAllocator allocator, boolean nullable) Writes a value without including type information.

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphBinaryWriter

public GraphBinaryWriter()

GraphBinaryWriter

public GraphBinaryWriter(TypeSerializerRegistry registry)

Method Detail

writeValue

public <T> ByteBuf writeValue(T value,
                              ByteBufAllocator allocator,
                              boolean nullable)
                       throws SerializationException

Writes a value without including type information.

Throws:

SerializationException

write

public <T> ByteBuf write(T value,
                         ByteBufAllocator allocator)
                  throws SerializationException

Writes an object in fully-qualified format, containing {type_code}{type_info}{value_flag}{value}.

Throws:

SerializationException

writeFullyQualifiedNull

public <T> ByteBuf writeFullyQualifiedNull(Class<T> objectClass,
                                           ByteBufAllocator allocator,
                                           Object information)
                                    throws SerializationException

Represents a null value of a specific type, useful when the parent type contains a type parameter that must be specified.

Note that for simple types, the provided information will be null.

Throws:

SerializationException

getValueFlagNull

public ByteBuf getValueFlagNull()

Gets a buffer containing a single byte representing the null value_flag.

getValueFlagNone

public ByteBuf getValueFlagNone()

Gets a buffer containing a single byte with value 0, representing an unset value_flag.