com.thinkaurelius.titan.graphdb.database.serialize.attribute

Class DoubleSerializer

java.lang.Object

com.thinkaurelius.titan.graphdb.database.serialize.attribute.DoubleSerializer

All Implemented Interfaces:

AttributeHandler<Double>, AttributeSerializer<Double>

public class DoubleSerializer
extends Object
implements AttributeSerializer<Double>

Author:

Matthias Broecheler (me@matthiasb.com)

Constructor Summary

Constructors

Constructor and Description
DoubleSerializer()

Method Summary

Methods

Modifier and Type	Method and Description
Double	convert(Object value) Converts the given (not-null) value to the expected datatype V.
Double	read(ScanBuffer buffer) Reads an attribute from the given ReadBuffer.
void	verifyAttribute(Double value) Verifies the given (not-null) attribute value is valid.
void	write(WriteBuffer buffer, Double attribute) Writes the attribute value to the given WriteBuffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleSerializer

public DoubleSerializer()

Method Detail

verifyAttribute

public void verifyAttribute(Double value)

Description copied from interface: AttributeHandler

Verifies the given (not-null) attribute value is valid. Throws an IllegalArgumentException if the value is invalid, otherwise simply returns.

Specified by:

verifyAttribute in interface AttributeHandler<Double>

Parameters:

value - to verify

convert

public Double convert(Object value)

Description copied from interface: AttributeHandler

Converts the given (not-null) value to the expected datatype V. The given object will NOT be of type V. Throws an IllegalArgumentException if it cannot be converted.

Specified by:

convert in interface AttributeHandler<Double>

Parameters:

value - to convert

Returns:

converted to expected datatype

read

public Double read(ScanBuffer buffer)

Description copied from interface: AttributeSerializer

Reads an attribute from the given ReadBuffer.

It is expected that this read operation adjusts the position in the ReadBuffer to after the attribute value.

Specified by:

read in interface AttributeSerializer<Double>

Parameters:

buffer - ReadBuffer to read attribute from

Returns:

Read attribute

write

public void write(WriteBuffer buffer,
         Double attribute)

Description copied from interface: AttributeSerializer

Writes the attribute value to the given WriteBuffer.

It is expected that this write operation adjusts the position in the WriteBuffer to after the attribute value.

Specified by:

write in interface AttributeSerializer<Double>

Parameters:

buffer - WriteBuffer to write attribute to

attribute - Attribute to write to WriteBuffer