com.mongodb.binding

接口 ReferenceCounted

所有已知子接口:

AsyncConnection, AsyncConnectionSource, AsyncReadBinding, AsyncReadWriteBinding, AsyncWriteBinding, Connection, ConnectionSource, ReadBinding, ReadWriteBinding, WriteBinding

所有已知实现类:

AsyncClusterBinding, AsyncSingleConnectionReadBinding, ClusterBinding, SingleConnectionReadBinding, SingleServerBinding

public interface ReferenceCounted

An interface for reference-counted objects.

从以下版本开始:

3.0

方法概要

限定符和类型	方法和说明
int	getCount() Gets the current reference count, which starts at 0.
void	release() Release a reference to this object.
ReferenceCounted	retain() Retain an additional reference to this object.

方法详细资料

getCount

int getCount()

Gets the current reference count, which starts at 0.

返回:

the current count, which must be greater than or equal to 0

retain

ReferenceCounted retain()

Retain an additional reference to this object. All retained references must be released, or there will be a leak.

返回:

this

release

void release()

Release a reference to this object.

抛出:

java.lang.IllegalStateException - if the reference count is already 0