Key Blocking Object Pool is a thread safe Single Key to 1 to N Objects.
'org.pacesys:kbop:1.0.0'
<dependency>
<groupId>org.pacesys</groupId>
<artifactId>kbop</artifactId>
<version>1.0.0</version>
</dependency>
<dependency org="org.pacesys" name="kbop" rev="1.0.0"/>
"org.pacesys", "kbop", "1.0.0"