Interface Chain

All Superinterfaces:

Browsable, Extensible, Identifiable, OsidObject

public interface Chain
extends OsidObject

An Chain is a chain resource. A chain is inactive if the input is disabled.

Method Summary

Modifier and Type	Method	Description
ChainRecord	getChainRecord(Type chainRecordType)	Gets the chain record corresponding to the given Chain record Type .This method is used to retrieve an object implementing the requested record.
boolean	isFifo()	Tests if elements are appended to the end of the chain.

Methods inherited from interface Browsable

getProperties, getPropertiesByRecordType

Modifier and Type	Method	Description
PropertyList	getProperties()	Gets a list of properties.
PropertyList	getPropertiesByRecordType(Type recordType)	Gets a list of properties corresponding to the specified record type.

Methods inherited from interface Extensible

getRecordTypes, hasRecordType

Modifier and Type	Method	Description
TypeList	getRecordTypes()	Gets the record types available in this object.
boolean	hasRecordType(Type recordType)	Tests if this object supports the given record Type .

Methods inherited from interface Identifiable

getId, isCurrent

Modifier and Type	Method	Description
Id	getId()	Gets the Id associated with this instance of this OSID object.
boolean	isCurrent()	Tests to see if the last method invoked retrieved up-to-date data.

Methods inherited from interface OsidObject

getDescription, getDisplayName, getGenusType, isOfGenusType

Modifier and Type	Method	Description
DisplayText	getDescription()	Gets the description associated with this instance of this OSID object.
DisplayText	getDisplayName()	Gets the preferred display name associated with this instance of this OSID object appropriate for display to the user.
Type	getGenusType()	Gets the genus type of this object.
boolean	isOfGenusType(Type genusType)	Tests if this object is of the given genus Type .

Method Details

isFifo

boolean isFifo()

Tests if elements are appended to the end of the chain.

Returns:

true if elements are appended to the end of the chain, false if elements are added to the top of the chain

Compliance:

mandatory - This method must be implemented.

getChainRecord

ChainRecord getChainRecord(Type chainRecordType)
                    throws OperationFailedException

Gets the chain record corresponding to the given Chain record Type .This method is used to retrieve an object implementing the requested record. The chainRecordType may be the Type returned in getRecordTypes() or any of its parents in a Type hierarchy where hasRecordType(chainRecordType) is true .

Parameters:

chainRecordType - the type of chain record to retrieve

Returns:

the chain record

Throws:

NullArgumentException - chainRecordType is null

OperationFailedException - unable to complete request

UnsupportedException - hasRecordType(chainRecordType) is false

Compliance:

mandatory - This method must be implemented.