Reference documentation and code samples for the Cloud Firestore V1 Client class ExistenceFilter.
A digest of all the documents that match a given target.
Generated from protobuf message google.firestore.v1.ExistenceFilter
Namespace
Google \ Cloud \ Firestore \ V1Methods
__construct
Constructor.
| Parameters | |
|---|---|
| Name | Description |
data |
array
Optional. Data for populating the Message object. |
↳ target_id |
int
The target ID to which this filter applies. |
↳ count |
int
The total count of documents that match target_id. If different from the count of documents in the client that match, the client must manually determine which documents no longer match the target. The client can use the |
↳ unchanged_names |
Google\Cloud\Firestore\V1\BloomFilter
A bloom filter that, despite its name, contains the UTF-8 byte encodings of the resource names of ALL the documents that match target_id, in the form |
getTargetId
The target ID to which this filter applies.
| Returns | |
|---|---|
| Type | Description |
int |
|
setTargetId
The target ID to which this filter applies.
| Parameter | |
|---|---|
| Name | Description |
var |
int
|
| Returns | |
|---|---|
| Type | Description |
$this |
|
getCount
The total count of documents that match target_id.
If different from the count of documents in the client that match, the
client must manually determine which documents no longer match the target.
The client can use the unchanged_names bloom filter to assist with
this determination by testing ALL the document names against the filter;
if the document name is NOT in the filter, it means the document no
longer matches the target.
| Returns | |
|---|---|
| Type | Description |
int |
|
setCount
The total count of documents that match target_id.
If different from the count of documents in the client that match, the
client must manually determine which documents no longer match the target.
The client can use the unchanged_names bloom filter to assist with
this determination by testing ALL the document names against the filter;
if the document name is NOT in the filter, it means the document no
longer matches the target.
| Parameter | |
|---|---|
| Name | Description |
var |
int
|
| Returns | |
|---|---|
| Type | Description |
$this |
|
getUnchangedNames
A bloom filter that, despite its name, contains the UTF-8 byte encodings of
the resource names of ALL the documents that match
target_id, in the form
projects/{project_id}/databases/{database_id}/documents/{document_path}.
This bloom filter may be omitted at the server's discretion, such as if it is deemed that the client will not make use of it or if it is too computationally expensive to calculate or transmit. Clients must gracefully handle this field being absent by falling back to the logic used before this field existed; that is, re-add the target without a resume token to figure out which documents in the client's cache are out of sync.
| Returns | |
|---|---|
| Type | Description |
Google\Cloud\Firestore\V1\BloomFilter|null |
|
hasUnchangedNames
clearUnchangedNames
setUnchangedNames
A bloom filter that, despite its name, contains the UTF-8 byte encodings of
the resource names of ALL the documents that match
target_id, in the form
projects/{project_id}/databases/{database_id}/documents/{document_path}.
This bloom filter may be omitted at the server's discretion, such as if it is deemed that the client will not make use of it or if it is too computationally expensive to calculate or transmit. Clients must gracefully handle this field being absent by falling back to the logic used before this field existed; that is, re-add the target without a resume token to figure out which documents in the client's cache are out of sync.
| Parameter | |
|---|---|
| Name | Description |
var |
Google\Cloud\Firestore\V1\BloomFilter
|
| Returns | |
|---|---|
| Type | Description |
$this |
|