public class IncrementalFaultList<E> extends Object implements List<E>, Serializable
The list can hold DataRows or DataObjects. Attempts to add any other object types will result in an exception.
Performance note: certain operations like toArray
would trigger
full list fetch.
Modifier and Type | Field and Description |
---|---|
protected DataContext |
dataContext |
protected List |
elements |
protected int |
idWidth
Stores a hint allowing to distinguish data rows from unfetched ids when
the query fetches data rows.
|
protected int |
maxFetchSize
Defines the upper limit on the size of fetches.
|
protected QueryMetadata |
metadata |
protected int |
pageSize |
protected ObjEntity |
rootEntity |
protected int |
unfetchedObjects |
Constructor and Description |
---|
IncrementalFaultList(DataContext dataContext,
Query query,
int maxFetchSize)
Creates a new IncrementalFaultList using a given DataContext and query.
|
Modifier and Type | Method and Description |
---|---|
void |
add(int index,
Object element) |
boolean |
add(Object o) |
boolean |
addAll(Collection<? extends E> c) |
boolean |
addAll(int index,
Collection<? extends E> c) |
void |
clear() |
boolean |
contains(Object o) |
boolean |
containsAll(Collection<?> c) |
protected void |
fillIn(Query query,
List<Object> elementsList)
Performs initialization of the list of objects.
|
E |
get(int index) |
DataContext |
getDataContext()
Returns the dataContext.
|
int |
getMaxFetchSize()
Get the upper bound on the number of records to resolve in one round trip
to the database.
|
int |
getPageSize()
Returns the pageSize.
|
int |
getUnfetchedObjects()
Returns a total number of objects that are not resolved yet.
|
int |
indexOf(Object o) |
boolean |
isEmpty() |
Iterator<E> |
iterator()
Return an iterator for this list.
|
int |
lastIndexOf(Object o) |
ListIterator<E> |
listIterator()
Returns a list iterator for this list.
|
ListIterator<E> |
listIterator(int index)
Returns a list iterator of the elements in this list (in proper
sequence), starting at the specified position in this list.
|
int |
pageIndex(int elementIndex)
Returns zero-based index of the virtual "page" for a given array element
index.
|
E |
remove(int index) |
boolean |
remove(Object o) |
boolean |
removeAll(Collection<?> c) |
void |
resolveAll()
Will resolve all unread objects.
|
protected void |
resolveInterval(int fromIndex,
int toIndex)
Resolves a sublist of objects starting at
fromIndex up to
but not including toIndex . |
boolean |
retainAll(Collection<?> c) |
E |
set(int index,
Object element) |
void |
setMaxFetchSize(int fetchSize) |
int |
size() |
List<E> |
subList(int fromIndex,
int toIndex) |
Object[] |
toArray() |
<T> T[] |
toArray(T[] a) |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
equals, hashCode, replaceAll, sort, spliterator
parallelStream, removeIf, stream
protected int pageSize
protected final List elements
protected DataContext dataContext
protected ObjEntity rootEntity
protected int unfetchedObjects
protected int idWidth
protected QueryMetadata metadata
protected int maxFetchSize
public IncrementalFaultList(DataContext dataContext, Query query, int maxFetchSize)
dataContext
- DataContext used by IncrementalFaultList to fill itself with
objects.query
- Main query used to retrieve data. Must have "pageSize"
property set to a value greater than zero.maxFetchSize
- maximum number of fetches in one queryprotected void fillIn(Query query, List<Object> elementsList)
public void resolveAll()
protected void resolveInterval(int fromIndex, int toIndex)
fromIndex
up to
but not including toIndex
. Internally performs bound
checking and trims indexes accordingly.public int pageIndex(int elementIndex)
public int getMaxFetchSize()
public void setMaxFetchSize(int fetchSize)
public DataContext getDataContext()
public int getPageSize()
public ListIterator<E> listIterator()
listIterator
in interface List<E>
public ListIterator<E> listIterator(int index)
listIterator
in interface List<E>
public Iterator<E> iterator()
public void add(int index, Object element)
add
in interface List<E>
List.add(int, Object)
public boolean add(Object o)
add
in interface Collection<E>
add
in interface List<E>
Collection.add(Object)
public boolean addAll(Collection<? extends E> c)
addAll
in interface Collection<E>
addAll
in interface List<E>
Collection.addAll(Collection)
public boolean addAll(int index, Collection<? extends E> c)
addAll
in interface List<E>
List.addAll(int, Collection)
public void clear()
clear
in interface Collection<E>
clear
in interface List<E>
Collection.clear()
public boolean contains(Object o)
contains
in interface Collection<E>
contains
in interface List<E>
Collection.contains(Object)
public boolean containsAll(Collection<?> c)
containsAll
in interface Collection<E>
containsAll
in interface List<E>
Collection.containsAll(Collection)
public int indexOf(Object o)
indexOf
in interface List<E>
List.indexOf(Object)
public boolean isEmpty()
isEmpty
in interface Collection<E>
isEmpty
in interface List<E>
Collection.isEmpty()
public int lastIndexOf(Object o)
lastIndexOf
in interface List<E>
public boolean remove(Object o)
public boolean removeAll(Collection<?> c)
public boolean retainAll(Collection<?> c)
public E set(int index, Object element)
set
in interface List<E>
List.set(int, Object)
public int size()
size
in interface Collection<E>
size
in interface List<E>
Collection.size()
public Object[] toArray()
public <T> T[] toArray(T[] a)
public int getUnfetchedObjects()
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