public class CountOperation extends Object implements AsyncReadOperation<Long>, ReadOperation<Long>
| Constructor and Description | 
|---|
| CountOperation(MongoNamespace namespace)Construct a new instance. | 
| 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. | 
| long | getMaxTime(TimeUnit timeUnit)Gets the maximum execution time on the server for this operation. | 
| 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. | 
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