@Configuration @ConditionalOnYarnAppmaster @ConditionalOnClass(value=org.springframework.yarn.config.annotation.EnableYarn.class) @ConditionalOnMissingBean(value=org.springframework.yarn.am.YarnAppmaster.class) @Import(value=org.springframework.yarn.am.cluster.ContainerClusterStateMachineConfiguration.class) public class ContainerClusterAppmasterAutoConfiguration extends Object