com.mongodb.binding

Interface ReferenceCounted

All Known Subinterfaces:

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

All Known Implementing Classes:

AsyncClusterBinding, AsyncSingleConnectionReadBinding, ClusterBinding, DefaultServerConnection, SingleConnectionReadBinding, SingleServerBinding

public interface ReferenceCounted

An interface for reference-counted objects.

Since:

3.0

Method Summary

Modifier and Type	Method and Description
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.

Method Detail

getCount

int getCount()

Gets the current reference count, which starts at 0.

Returns:

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.

Returns:

this

release

void release()

Release a reference to this object.

Throws:

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