org.glassfish.grizzly.attributes
Interface AttributeBuilder

All Known Implementing Classes:

DefaultAttributeBuilder

public interface AttributeBuilder

AttributeBuilder is responsible for creating and indexing Attributes. For faster access to Attribute value, each Attribute has assigned index. AttributeBuilder is responsible to assign each Attribute unique index.

Author:

Alexey Stashok

See Also:

DefaultAttributeBuilder

Field Summary

static AttributeBuilder

DEFAULT_ATTRIBUTE_BUILDER The default AttributeBuilder implementation used by all created builder instances.

Method Summary

<T> Attribute<T>	createAttribute(String name) Create Attribute with name
<T> Attribute<T>	createAttribute(String name, NullaryFunction<T> initializer) Create Attribute with name and initializer, which will be called, if Attribute's value is null on a AttributedObject
<T> Attribute<T>	createAttribute(String name, T defaultValue) Create Attribute with name and default value

Field Detail

DEFAULT_ATTRIBUTE_BUILDER

static final AttributeBuilder DEFAULT_ATTRIBUTE_BUILDER

The default AttributeBuilder implementation used by all created builder instances.

The default may be changed by setting the system property org.glassfish.grizzly.DEFAULT_ATTRIBUTE_BUILDER with the fully qualified name of the class that implements the AttributeBuilder interface. Note that this class must be public and have a public no-arg constructor.

Method Detail

createAttribute

<T> Attribute<T> createAttribute(String name)

Create Attribute with name

Type Parameters:

T - Type of attribute value

Parameters:

name - attribute name

Returns:

Attribute

createAttribute

<T> Attribute<T> createAttribute(String name,
                                 T defaultValue)

Create Attribute with name and default value

Type Parameters:

T - Type of attribute value

Parameters:

name - attribute name

defaultValue - attribute's default value

Returns:

Attribute

createAttribute

<T> Attribute<T> createAttribute(String name,
                                 NullaryFunction<T> initializer)

Create Attribute with name and initializer, which will be called, if Attribute's value is null on a AttributedObject

Type Parameters:

T - Type of attribute value

Parameters:

name - attribute name

initializer - NullaryFunction, which will be called, if Attribute's value is null on a AttributedObject

Returns:

Attribute