Package com.janeirodigital.sai.core.data

Class DataInstanceList

java.lang.Object

com.janeirodigital.sai.core.data.DataInstanceList

All Implemented Interfaces:

Iterable<DataInstance>

public class DataInstanceList
extends Object
implements Iterable<DataInstance>

Field Summary

Fields

Modifier and Type	Field	Description
protected ReadableDataGrant	dataGrant
protected Map<URI,DataInstance>	dataInstanceUris
protected SaiSession	saiSession

Constructor Summary

Constructors

Constructor	Description
DataInstanceList(SaiSession saiSession, ReadableDataGrant dataGrant, Map<URI,DataInstance> dataInstanceUris)	Construct a DataInstanceList

Method Summary

Modifier and Type	Method	Description
boolean	isEmpty()	Indicates whether the DataInstanceList is empty
Iterator<DataInstance>	iterator()	Return an iterator for the DataInstanceList
int	size()	Indicates the number of DataInstances in the list

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Details

dataInstanceUris

protected Map<URI,DataInstance> dataInstanceUris

saiSession

protected SaiSession saiSession

dataGrant

protected ReadableDataGrant dataGrant

Constructor Details

DataInstanceList

public DataInstanceList(SaiSession saiSession,
 ReadableDataGrant dataGrant,
 Map<URI,DataInstance> dataInstanceUris)

Construct a DataInstanceList

Parameters:

saiSession - SaiSession to assign

dataGrant - ReadableDataGrant associated with instance access

dataInstanceUris - Map of DataInstance URIs to iterate and (optionally) their parent DataInstances

Method Details

isEmpty

public boolean isEmpty()

Indicates whether the DataInstanceList is empty

Returns:

true when there are no data instances

size

public int size()

Indicates the number of DataInstances in the list

Returns:

Amount of DataInstances in the list

iterator

public Iterator<DataInstance> iterator()

Return an iterator for the DataInstanceList

Specified by:

iterator in interface Iterable<DataInstance>

Returns: