ClusterStartFlowTriggerCondition.java

package com.sequenceiq.cloudbreak.core.flow2.cluster.start;

import javax.inject.Inject;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import com.sequenceiq.cloudbreak.core.flow2.FlowTriggerCondition;
import com.sequenceiq.cloudbreak.domain.Cluster;
import com.sequenceiq.cloudbreak.domain.Stack;
import com.sequenceiq.cloudbreak.service.stack.StackService;

@Component
public class ClusterStartFlowTriggerCondition implements FlowTriggerCondition {
    private static final Logger LOGGER = LoggerFactory.getLogger(ClusterStartFlowTriggerCondition.class);

    @Inject
    private StackService stackService;

    @Override
    public boolean isFlowTriggerable(Long stackId) {
        Stack stack = stackService.getById(stackId);
        Cluster cluster = stack.getCluster();
        boolean result = cluster != null && cluster.isStartRequested();
        if (!result) {
            LOGGER.warn("Cluster start cannot be triggered, because cluster {}", cluster == null ? "is null" : "not in startRequested status");
        }
        return result;
    }
}