本文整理汇总了Java中com.google.firebase.firestore.DocumentChange.getType方法的典型用法代码示例。如果您正苦于以下问题：Java DocumentChange.getType方法的具体用法？Java DocumentChange.getType怎么用？Java DocumentChange.getType使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.google.firebase.firestore.DocumentChange的用法示例。
在下文中一共展示了DocumentChange.getType方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: onEvent
import com.google.firebase.firestore.DocumentChange; //导入方法依赖的package包/类
@Override
public void onEvent(QuerySnapshot documentSnapshots, FirebaseFirestoreException e) {
for (DocumentChange change : documentSnapshots.getDocumentChanges()) {
switch (change.getType()) {
case ADDED: {
String groupId = change.getDocument().getId();
FirebaseFirestore.getInstance()
.collection("groups")
.document(groupId)
.collection("items")
.addSnapshotListener(new GroupItemsChangeListener(groupId));
}
break;
}
}
}
示例2: deliverUpdate
import com.google.firebase.firestore.DocumentChange; //导入方法依赖的package包/类
/**
* Delivers the entity state update represented by the given {@link DocumentChange} to
* the observers of the given {@link LiveData}.
*
* @param change the Firestore document change
* @param destination the {@link LiveData} publishing the update
* @param parser the {@link Parser} for the target entity state type
* @param <T> the entity state type
*/
private static <T extends Message>
void deliverUpdate(DocumentChange change,
MutableLiveData<Map<String, T>> destination,
Parser<T> parser) {
final DocumentChange.Type type = change.getType();
final Map<String, T> currentData = destination.getValue();
final Map<String, T> newData = currentData == null
? newHashMap()
: newHashMap(currentData);
final DocumentSnapshot doc = change.getDocument();
final String id = parseMessageId(doc);
final T newMessage = parseMessage(doc, parser);
if (type == ADDED || type == MODIFIED) {
newData.put(id, newMessage);
} else {
throw newIllegalArgumentException("Unexpected document change: %s", type.toString());
}
destination.postValue(newData);
}
示例3: onEvent
import com.google.firebase.firestore.DocumentChange; //导入方法依赖的package包/类
@Override
public void onEvent(QuerySnapshot documentSnapshots, FirebaseFirestoreException e) {
if (e != null) {
Log.w(TAG, "onEvent:error", e);
onError(e);
return;
}
// Dispatch the event
Log.d(TAG, "onEvent:numChanges:" + documentSnapshots.getDocumentChanges().size());
for (DocumentChange change : documentSnapshots.getDocumentChanges()) {
switch (change.getType()) {
case ADDED:
onDocumentAdded(change);
break;
case MODIFIED:
onDocumentModified(change);
break;
case REMOVED:
onDocumentRemoved(change);
break;
}
}
onDataChanged();
}
示例4: onEvent
import com.google.firebase.firestore.DocumentChange; //导入方法依赖的package包/类
@Override
public void onEvent(QuerySnapshot snapshots, FirebaseFirestoreException e) {
if (e != null) {
notifyOnError(e);
return;
}
// Break down each document event
List<DocumentChange> changes = snapshots.getDocumentChanges();
for (DocumentChange change : changes) {
switch (change.getType()) {
case ADDED:
onDocumentAdded(change);
break;
case REMOVED:
onDocumentRemoved(change);
break;
case MODIFIED:
onDocumentModified(change);
break;
}
}
notifyOnDataChanged();
}
示例5: onEvent
import com.google.firebase.firestore.DocumentChange; //导入方法依赖的package包/类
@Override
public void onEvent(QuerySnapshot documentSnapshots, FirebaseFirestoreException e) {
for (DocumentChange change : documentSnapshots.getDocumentChanges()) {
switch (change.getType()) {
case ADDED: {
Group group = new Group();
group.setId(change.getDocument().getId());
userGroups.add(group);
adapter.setUserGroups(userGroups);
FirebaseFirestore.getInstance()
.collection("groups")
.whereEqualTo("parentGroup", change.getDocument().getId())
.addSnapshotListener(CoursesFragment.this);
}
break;
case REMOVED: {
for (int i = 0; i < userGroups.size(); i++)
if (userGroups.get(i).getId().equals(change.getDocument().getId())) {
userGroups.remove(i);
adapter.notifyDataSetChanged();
return;
}
}
break;
}
}
}
示例6: onEvent
import com.google.firebase.firestore.DocumentChange; //导入方法依赖的package包/类
@Override
public void onEvent(QuerySnapshot documentSnapshots,
FirebaseFirestoreException e) {
// Handle errors
if (e != null) {
Log.w(TAG, "onEvent:error", e);
return;
}
// Dispatch the event
for (DocumentChange change : documentSnapshots.getDocumentChanges()) {
// Snapshot of the changed document
DocumentSnapshot snapshot = change.getDocument();
switch (change.getType()) {
case ADDED:
onDocumentAdded(change);
break;
case MODIFIED:
onDocumentModified(change);
break;
case REMOVED:
onDocumentRemoved(change);
break;
}
}
onDataChanged();
}