Package org.glassfish.grizzly.attributes

Class IndexedAttributeHolder

java.lang.Object

org.glassfish.grizzly.attributes.IndexedAttributeHolder

All Implemented Interfaces:

AttributeHolder

public final class IndexedAttributeHolder
extends Object
implements AttributeHolder

AttributeHolder, which supports indexed access to stored Attributes. Access to such indexed Attributes could be as fast as access to array. This implementation is thread-safe.

Author:

Alexey Stashok

See Also:

AttributeHolder, NamedAttributeHolder

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	IndexedAttributeHolder.IndexedAttributeAccessorImpl	IndexedAttributeAccessor implementation.

Field Summary

Fields

Modifier and Type	Field	Description
protected DefaultAttributeBuilder	attributeBuilder
protected IndexedAttributeAccessor	indexedAttributeAccessor

Constructor Summary

Constructors

Constructor	Description
IndexedAttributeHolder(AttributeBuilder attributeBuilder)	Deprecated. use AttributeBuilder.createSafeAttributeHolder()

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear all the attributes.
void	copyFrom(AttributeHolder srcAttributes)	Copies attributes from the srcAttributes to this AttributeHolder
void	copyTo(AttributeHolder dstAttributes)	Copies attributes from this AttributeHolder to the dstAttributes.
Object	getAttribute(String name)	Return an object based on a name.
Object	getAttribute(String name, NullaryFunction initializer)	Return an object based on a name.
AttributeBuilder	getAttributeBuilder()	Get AttributeBuilder, associated with this holder
Set<String>	getAttributeNames()	Return a Set of attribute names.
IndexedAttributeAccessor	getIndexedAttributeAccessor()	Returns IndexedAttributeAccessor for accessing Attributes by index.
void	recycle()	Recycle AttributeHolder
Object	removeAttribute(String name)	Remove a name/value object.
void	setAttribute(String name, Object value)	Set a name/value object.

Methods inherited from class java.lang.Object

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

Field Detail

attributeBuilder

protected final DefaultAttributeBuilder attributeBuilder

indexedAttributeAccessor

protected final IndexedAttributeAccessor indexedAttributeAccessor

Constructor Detail

IndexedAttributeHolder

@Deprecated
public IndexedAttributeHolder(AttributeBuilder attributeBuilder)

Deprecated.

use AttributeBuilder.createSafeAttributeHolder()

Parameters:

attributeBuilder -

Method Detail

getAttribute

public Object getAttribute(String name)

Return an object based on a name.

Specified by:

getAttribute in interface AttributeHolder

Parameters:

name - - name of an attribute

Returns:

- attribute value for the name, null if name does not exist in attributes

getAttribute

public Object getAttribute(String name,
                           NullaryFunction initializer)

Return an object based on a name.

Specified by:

getAttribute in interface AttributeHolder

Parameters:

name - - name of an attribute

initializer - the initializer to be used to assign a default attribute value, in case it hasn't been assigned

Returns:

- attribute value for the name, null if name does not exist in attributes

setAttribute

public void setAttribute(String name,
                         Object value)

Set a name/value object.

Specified by:

setAttribute in interface AttributeHolder

Parameters:

name - - name of an attribute

value - - value of named attribute

removeAttribute

public Object removeAttribute(String name)

Remove a name/value object.

Specified by:

removeAttribute in interface AttributeHolder

Parameters:

name - - name of an attribute

Returns:

attribute which has been removed

getAttributeNames

public Set<String> getAttributeNames()

Return a Set of attribute names.

Specified by:

getAttributeNames in interface AttributeHolder

Returns:

- Set of attribute names

copyFrom

public void copyFrom(AttributeHolder srcAttributes)

Description copied from interface: AttributeHolder

Copies attributes from the srcAttributes to this AttributeHolder

Specified by:

copyFrom in interface AttributeHolder

copyTo

public void copyTo(AttributeHolder dstAttributes)

Description copied from interface: AttributeHolder

Copies attributes from this AttributeHolder to the dstAttributes.

Specified by:

copyTo in interface AttributeHolder

recycle

public void recycle()

Recycle AttributeHolder

Specified by:

recycle in interface AttributeHolder

clear

public void clear()

Clear all the attributes.

Specified by:

clear in interface AttributeHolder

getAttributeBuilder

public AttributeBuilder getAttributeBuilder()

Get AttributeBuilder, associated with this holder

Specified by:

getAttributeBuilder in interface AttributeHolder

Returns:

AttributeBuilder

getIndexedAttributeAccessor

public IndexedAttributeAccessor getIndexedAttributeAccessor()

Returns IndexedAttributeAccessor for accessing Attributes by index.

Specified by:

getIndexedAttributeAccessor in interface AttributeHolder

Returns:

IndexedAttributeAccessor for accessing Attributes by index.