Java InstanceStateName.Running方法代码示例

import com.amazonaws.services.ec2.model.InstanceStateName; //导入方法依赖的package包/类
/**
 * Converts the ec2 instance to a turbine instance.
 * @param ec2 EC2 instance.
 * @return Turbine instance.
 */
public com.netflix.turbine.discovery.Instance convert(final Instance ec2) {
    final boolean state = InstanceStateName.fromValue(
        ec2.getState().getName()
    ) == InstanceStateName.Running;
    return new com.netflix.turbine.discovery.Instance(
        ec2.getPrivateIpAddress(), this.cluster, state
    );
}
 

import com.amazonaws.services.ec2.model.InstanceStateName; //导入方法依赖的package包/类
/**
 * Counts the number of instances in EC2 currently running that are using
 * the specifed image.
 *
 * @param ami If AMI is left null, then all instances are counted.
 * <p>
 * This includes those instances that may be started outside Hudson.
 */
public int countCurrentEC2Slaves(String ami) throws AmazonClientException {
    int n = 0;
    for (Reservation r : connect().describeInstances().getReservations()) {
        for (Instance i : r.getInstances()) {
            if (isEc2ProvisionedSlave(i, ami)) {
                InstanceStateName stateName = InstanceStateName.fromValue(i.getState().getName());
                if (stateName == InstanceStateName.Pending || stateName == InstanceStateName.Running) {
                    n++;
                }
            }
        }
    }
    return n;
}
 

import com.amazonaws.services.ec2.model.InstanceStateName; //导入方法依赖的package包/类
/**
 * Check the instance status and order to stop it if it's running.
 * 
 * @param instanceId instance to stop
 */
public void stopInstance(final String instanceId) {

	LOG.entry();
	LOG.info("Stoping instance {}", instanceId);

	// Check the instance state
	final InstanceStateName instanteState = getInstanceStatus(instanceId);
	if (InstanceStateName.Running != instanteState) {

		final String message = "Instance " + instanceId + " is not running, current status: " + instanteState;
		LOG.error(message);
		LOG.exit(message);
		throw new AmazonClientException(message);
	}

	// Stop instance order
	final StopInstancesRequest stopInstancesRequest = new StopInstancesRequest().withInstanceIds(instanceId);
	final StopInstancesResult stopInstancesResult = amazonEC2Client.stopInstances(stopInstancesRequest);
	final List<InstanceStateChange> instanceStateChangeList = stopInstancesResult.getStoppingInstances();

	for (final InstanceStateChange instanceStateChange : instanceStateChangeList) {

		LOG.info("Instance {} has changing state: {} -> {}", instanceStateChange.getInstanceId(), instanceStateChange.getPreviousState(), instanceStateChange.getCurrentState());
	}

	LOG.info("Instance {} is stoping", instanceId);
	LOG.exit();
}
 

import com.amazonaws.services.ec2.model.InstanceStateName; //导入方法依赖的package包/类
public Instance waitInstance(AwsProcessClient awsProcessClient, String instanceId) {
    // インスタンスの処理待ち
    Instance instance;
    while (true) {
        try {
            Thread.sleep(1000L * awsProcessClient.getDescribeInterval());
        } catch (InterruptedException ignore) {
        }

        instance = describeInstance(awsProcessClient, instanceId);
        InstanceStateName state;
        try {
            state = InstanceStateName.fromValue(instance.getState().getName());
        } catch (IllegalArgumentException e) {
            // 予期しないステータス
            AutoException exception = new AutoException("EPROCESS-000104", instanceId, instance.getState()
                    .getName());
            exception.addDetailInfo("result=" + ReflectionToStringBuilder.toString(instance));
            throw exception;
        }

        // 安定状態のステータスになったら終了
        if (state == InstanceStateName.Running || state == InstanceStateName.Terminated
                || state == InstanceStateName.Stopped) {
            break;
        }
    }

    return instance;
}