Package com.mongodb.operation

Class DropIndexOperation

java.lang.Object

com.mongodb.operation.DropIndexOperation

All Implemented Interfaces:

AsyncWriteOperation<Void>, WriteOperation<Void>

public class DropIndexOperation
extends Object
implements AsyncWriteOperation<Void>, WriteOperation<Void>

An operation that drops an index.

Since:

3.0

MongoDB documentation

Drop indexes

Constructor Summary

Constructors

Constructor	Description
DropIndexOperation(MongoNamespace namespace, String indexName)	Deprecated. Prefer DropIndexOperation(MongoNamespace, String, WriteConcern)
DropIndexOperation(MongoNamespace namespace, String indexName, WriteConcern writeConcern)	Construct a new instance.
DropIndexOperation(MongoNamespace namespace, BsonDocument keys)	Deprecated. Prefer DropIndexOperation(MongoNamespace, BsonDocument, WriteConcern)
DropIndexOperation(MongoNamespace namespace, BsonDocument indexKeys, WriteConcern writeConcern)	Construct a new instance.

Method Summary

Modifier and Type	Method	Description
Void	execute(WriteBinding binding)	General execute which can return anything of type T
void	executeAsync(AsyncWriteBinding binding, SingleResultCallback<Void> callback)	General execute which can return anything of type T
long	getMaxTime(TimeUnit timeUnit)	Gets the maximum execution time on the server for this operation.
WriteConcern	getWriteConcern()	Gets the write concern.
DropIndexOperation	maxTime(long maxTime, TimeUnit timeUnit)	Sets the maximum execution time on the server for this operation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DropIndexOperation

@Deprecated
public DropIndexOperation(MongoNamespace namespace,
                          String indexName)

Deprecated. Prefer DropIndexOperation(MongoNamespace, String, WriteConcern)

Construct a new instance.

Parameters:

namespace - the database and collection namespace for the operation.

indexName - the name of the index to be dropped.

DropIndexOperation

@Deprecated
public DropIndexOperation(MongoNamespace namespace,
                          BsonDocument keys)

Deprecated. Prefer DropIndexOperation(MongoNamespace, BsonDocument, WriteConcern)

Construct a new instance.

Parameters:

namespace - the database and collection namespace for the operation.

keys - the keys of the index to be dropped

DropIndexOperation

public DropIndexOperation(MongoNamespace namespace,
                          String indexName,
                          WriteConcern writeConcern)

Construct a new instance.

Parameters:

namespace - the database and collection namespace for the operation.

indexName - the name of the index to be dropped.

writeConcern - the write concern

Since:

3.4

DropIndexOperation

public DropIndexOperation(MongoNamespace namespace,
                          BsonDocument indexKeys,
                          WriteConcern writeConcern)

Construct a new instance.

Parameters:

namespace - the database and collection namespace for the operation.

indexKeys - the keys of the index to be dropped

writeConcern - the write concern

Since:

3.4

Method Detail

getWriteConcern

public WriteConcern getWriteConcern()

Gets the write concern.

Returns:

the write concern, which may be null

Since:

3.4

getMaxTime

public long getMaxTime(TimeUnit timeUnit)

Gets the maximum execution time on the server for this operation. The default is 0, which places no limit on the execution time.

Parameters:

timeUnit - the time unit to return the result in

Returns:

the maximum execution time in the given time unit

Since:

3.6

maxTime

public DropIndexOperation maxTime(long maxTime,
                                  TimeUnit timeUnit)

Sets the maximum execution time on the server for this operation.

Parameters:

maxTime - the max time

timeUnit - the time unit, which may not be null

Returns:

this

Since:

3.6

execute

public Void execute(WriteBinding binding)

Description copied from interface: WriteOperation

General execute which can return anything of type T

Specified by:

execute in interface WriteOperation<Void>

Parameters:

binding - the binding to execute in the context of

Returns:

T, the result of the execution

executeAsync

public void executeAsync(AsyncWriteBinding binding,
                         SingleResultCallback<Void> callback)

Description copied from interface: AsyncWriteOperation

General execute which can return anything of type T

Specified by:

executeAsync in interface AsyncWriteOperation<Void>

Parameters:

binding - the binding to execute in the context of

callback - the callback to be called when the operation has been executed