public class CountOperation extends Object implements AsyncReadOperation<Long>, ReadOperation<Long>
| Constructor and Description |
|---|
CountOperation(MongoNamespace namespace)
Construct a new instance.
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| Modifier and Type | Method and Description |
|---|---|
ReadOperation<BsonDocument> |
asExplainableOperation(ExplainVerbosity explainVerbosity)
Gets an operation whose execution explains this operation.
|
AsyncReadOperation<BsonDocument> |
asExplainableOperationAsync(ExplainVerbosity explainVerbosity)
Gets an operation whose execution explains this operation.
|
CountOperation |
collation(Collation collation)
Sets the collation options
|
Long |
execute(ReadBinding binding)
General execute which can return anything of type T
|
void |
executeAsync(AsyncReadBinding binding,
SingleResultCallback<Long> callback)
General execute which can return anything of type T
|
CountOperation |
filter(BsonDocument filter)
Sets the filter to apply to the query.
|
Collation |
getCollation()
Returns the collation options
|
BsonDocument |
getFilter()
Gets the query filter.
|
BsonValue |
getHint()
Gets the hint to apply.
|
long |
getLimit()
Gets the limit to apply.
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long |
getMaxTime(TimeUnit timeUnit)
Gets the maximum execution time on the server for this operation.
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ReadConcern |
getReadConcern()
Gets the read concern
|
long |
getSkip()
Gets the number of documents to skip.
|
CountOperation |
hint(BsonValue hint)
Sets the hint to apply.
|
CountOperation |
limit(long limit)
Sets the limit to apply.
|
CountOperation |
maxTime(long maxTime,
TimeUnit timeUnit)
Sets the maximum execution time on the server for this operation.
|
CountOperation |
readConcern(ReadConcern readConcern)
Sets the read concern
|
CountOperation |
skip(long skip)
Sets the number of documents to skip.
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public CountOperation(MongoNamespace namespace)
namespace - the database and collection namespace for the operation.public BsonDocument getFilter()
public CountOperation filter(BsonDocument filter)
filter - the filter, which may be null.public BsonValue getHint()
public CountOperation hint(BsonValue hint)
hint - a value describing the index which should be used for this operation.public long getLimit()
public CountOperation limit(long limit)
limit - the limitpublic long getSkip()
public CountOperation skip(long skip)
skip - the number of documents to skippublic long getMaxTime(TimeUnit timeUnit)
timeUnit - the time unit to return the result inpublic CountOperation maxTime(long maxTime, TimeUnit timeUnit)
maxTime - the max timetimeUnit - the time unit, which may not be nullpublic ReadConcern getReadConcern()
public CountOperation readConcern(ReadConcern readConcern)
readConcern - the read concernpublic Collation getCollation()
public CountOperation collation(Collation collation)
A null value represents the server default.
collation - the collation options to usepublic Long execute(ReadBinding binding)
ReadOperationexecute in interface ReadOperation<Long>binding - the binding to execute in the context ofpublic void executeAsync(AsyncReadBinding binding, SingleResultCallback<Long> callback)
AsyncReadOperationexecuteAsync in interface AsyncReadOperation<Long>binding - the binding to execute in the context ofcallback - the callback to be called when the operation has been executedpublic ReadOperation<BsonDocument> asExplainableOperation(ExplainVerbosity explainVerbosity)
explainVerbosity - the explain verbositypublic AsyncReadOperation<BsonDocument> asExplainableOperationAsync(ExplainVerbosity explainVerbosity)
explainVerbosity - the explain verbosity