How to use

InstanceBlockDeviceMapping

in

com.amazonaws.services.ec2.model

@Override
public int hashCode() {
  final int prime = 31;
  int hashCode = 1;
  hashCode = prime * hashCode + ((getDeviceName() == null) ? 0 : getDeviceName().hashCode());
  hashCode = prime * hashCode + ((getEbs() == null) ? 0 : getEbs().hashCode());
  return hashCode;
}

/**
 * <p>
 * The device name (for example, <code>/dev/sdh</code> or <code>xvdh</code>).
 * </p>
 * 
 * @param deviceName
 *        The device name (for example, <code>/dev/sdh</code> or <code>xvdh</code>).
 * @return Returns a reference to this object so that method calls can be chained together.
 */
public InstanceBlockDeviceMapping withDeviceName(String deviceName) {
  setDeviceName(deviceName);
  return this;
}

/**
 * <p>
 * Parameters used to automatically set up EBS volumes when the instance is launched.
 * </p>
 * 
 * @param ebs
 *        Parameters used to automatically set up EBS volumes when the instance is launched.
 * @return Returns a reference to this object so that method calls can be chained together.
 */
public InstanceBlockDeviceMapping withEbs(EbsInstanceBlockDevice ebs) {
  setEbs(ebs);
  return this;
}

public InstanceBlockDeviceMapping unmarshall(StaxUnmarshallerContext context) throws Exception {
  InstanceBlockDeviceMapping instanceBlockDeviceMapping = new InstanceBlockDeviceMapping();
  int originalDepth = context.getCurrentDepth();
  int targetDepth = originalDepth + 1;
  if (context.isStartOfDocument())
    targetDepth += 1;
  while (true) {
    XMLEvent xmlEvent = context.nextEvent();
    if (xmlEvent.isEndDocument())
      return instanceBlockDeviceMapping;
    if (xmlEvent.isAttribute() || xmlEvent.isStartElement()) {
      if (context.testExpression("deviceName", targetDepth)) {
        instanceBlockDeviceMapping.setDeviceName(StringStaxUnmarshaller.getInstance().unmarshall(context));
        continue;
      }
      if (context.testExpression("ebs", targetDepth)) {
        instanceBlockDeviceMapping.setEbs(EbsInstanceBlockDeviceStaxUnmarshaller.getInstance().unmarshall(context));
        continue;
      }
    } else if (xmlEvent.isEndElement()) {
      if (context.getCurrentDepth() < originalDepth) {
        return instanceBlockDeviceMapping;
      }
    }
  }
}

private List<String> getResourcesToTag(Instance inst) {
  List<String> resources = new ArrayList<>();
  resources.add(inst.getInstanceId());
  for(InstanceBlockDeviceMapping blockDeviceMapping : inst.getBlockDeviceMappings()) {
    resources.add(blockDeviceMapping.getEbs().getVolumeId());
  }
  return resources;
}

protected InstanceBlockDeviceMapping getRootVolumeMapping(Instance instance) {
  checkNotNull(instance, "instance");
  String rootDeviceName = instance.getRootDeviceName();
  List<InstanceBlockDeviceMapping> mappings = instance.getBlockDeviceMappings();
  for (InstanceBlockDeviceMapping mapping : mappings) {
    if (rootDeviceName.equals(mapping.getDeviceName())) {
      return mapping;
    }
  }
  throw illegalState("Unable to locate the root volume mapping for [%s]", instance.getInstanceId());
}

public InstanceBlockDeviceMapping unmarshall(StaxUnmarshallerContext context) throws Exception {
  InstanceBlockDeviceMapping instanceBlockDeviceMapping = new InstanceBlockDeviceMapping();
  int originalDepth = context.getCurrentDepth();
  int targetDepth = originalDepth + 1;
  if (context.isStartOfDocument()) targetDepth += 1;
  while (true) {
    int xmlEvent = context.nextEvent();
    if (xmlEvent == XmlPullParser.END_DOCUMENT) return instanceBlockDeviceMapping;
    if (xmlEvent == XmlPullParser.START_TAG) {
      if (context.testExpression("deviceName", targetDepth)) {
        instanceBlockDeviceMapping.setDeviceName(StringStaxUnmarshaller.getInstance().unmarshall(context));
        continue;
      }
      if (context.testExpression("ebs", targetDepth)) {
        instanceBlockDeviceMapping.setEbs(EbsInstanceBlockDeviceStaxUnmarshaller.getInstance().unmarshall(context));
        continue;
      }
    } else if (xmlEvent == XmlPullParser.END_TAG) {
      if (context.getCurrentDepth() < originalDepth) {
        return instanceBlockDeviceMapping;
      }
    }
  }
}

 // First get the EC2 instance from the id
DescribeInstancesRequest describeInstancesRequest = new DescribeInstancesRequest().withInstanceIds(instanceId);
DescribeInstancesResult describeInstancesResult = ec2.describeInstances(describeInstancesRequest);
Instance instance = describeInstancesResult.getReservations().get(0).getInstances().get(0);

// Then get the mappings
List<InstanceBlockDeviceMapping> mappingList = instance.getBlockDeviceMappings();
for(InstanceBlockDeviceMapping mapping: mappingList) {
  System.out.println(mapping.getEbs().getVolumeId());
}

protected BlockDeviceMapping getRootVolumeMapping(Instance instance, String snapshotId, RootVolume rootVolume) {
  InstanceBlockDeviceMapping ibdm = getRootVolumeMapping(instance);
  EbsBlockDevice ebs = new EbsBlockDevice();
  ebs.setDeleteOnTermination(rootVolume.getDeleteOnTermination().orNull());
  ebs.setSnapshotId(snapshotId);
  ebs.setVolumeSize(rootVolume.getSizeInGigabytes().orNull());
  BlockDeviceMapping bdm = new BlockDeviceMapping();
  bdm.setDeviceName(ibdm.getDeviceName());
  bdm.setEbs(ebs);
  return bdm;
}

@Override
public boolean equals(Object obj) {
  if (this == obj)
    return true;
  if (obj == null)
    return false;
  if (obj instanceof InstanceBlockDeviceMapping == false)
    return false;
  InstanceBlockDeviceMapping other = (InstanceBlockDeviceMapping) obj;
  if (other.getDeviceName() == null ^ this.getDeviceName() == null)
    return false;
  if (other.getDeviceName() != null && other.getDeviceName().equals(this.getDeviceName()) == false)
    return false;
  if (other.getEbs() == null ^ this.getEbs() == null)
    return false;
  if (other.getEbs() != null && other.getEbs().equals(this.getEbs()) == false)
    return false;
  return true;
}

public InstanceBlockDeviceMapping unmarshall(StaxUnmarshallerContext context) throws Exception {
  InstanceBlockDeviceMapping instanceBlockDeviceMapping = new InstanceBlockDeviceMapping();
  int originalDepth = context.getCurrentDepth();
  int targetDepth = originalDepth + 1;
  if (context.isStartOfDocument())
    targetDepth += 1;
  while (true) {
    XMLEvent xmlEvent = context.nextEvent();
    if (xmlEvent.isEndDocument())
      return instanceBlockDeviceMapping;
    if (xmlEvent.isAttribute() || xmlEvent.isStartElement()) {
      if (context.testExpression("deviceName", targetDepth)) {
        instanceBlockDeviceMapping.setDeviceName(StringStaxUnmarshaller.getInstance().unmarshall(context));
        continue;
      }
      if (context.testExpression("ebs", targetDepth)) {
        instanceBlockDeviceMapping.setEbs(EbsInstanceBlockDeviceStaxUnmarshaller.getInstance().unmarshall(context));
        continue;
      }
    } else if (xmlEvent.isEndElement()) {
      if (context.getCurrentDepth() < originalDepth) {
        return instanceBlockDeviceMapping;
      }
    }
  }
}

protected String getRootVolumeId(Instance instance) {
  checkNotNull(instance, "instance");
  InstanceBlockDeviceMapping rootMapping = getRootVolumeMapping(instance);
  return rootMapping.getEbs().getVolumeId();
}

/**
 * <p>
 * Parameters used to automatically set up EBS volumes when the instance is launched.
 * </p>
 * 
 * @param ebs
 *        Parameters used to automatically set up EBS volumes when the instance is launched.
 * @return Returns a reference to this object so that method calls can be chained together.
 */
public InstanceBlockDeviceMapping withEbs(EbsInstanceBlockDevice ebs) {
  setEbs(ebs);
  return this;
}

/**
 * <p>
 * The device name (for example, <code>/dev/sdh</code> or <code>xvdh</code>).
 * </p>
 * 
 * @param deviceName
 *        The device name (for example, <code>/dev/sdh</code> or <code>xvdh</code>).
 * @return Returns a reference to this object so that method calls can be chained together.
 */
public InstanceBlockDeviceMapping withDeviceName(String deviceName) {
  setDeviceName(deviceName);
  return this;
}

/**
 * Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
 * redacted from this string using a placeholder value.
 *
 * @return A string representation of this object.
 *
 * @see java.lang.Object#toString()
 */
@Override
public String toString() {
  StringBuilder sb = new StringBuilder();
  sb.append("{");
  if (getDeviceName() != null)
    sb.append("DeviceName: ").append(getDeviceName()).append(",");
  if (getEbs() != null)
    sb.append("Ebs: ").append(getEbs());
  sb.append("}");
  return sb.toString();
}

@Override
public boolean equals(Object obj) {
  if (this == obj) return true;
  if (obj == null) return false;
  if (obj instanceof InstanceBlockDeviceMapping == false) return false;
  InstanceBlockDeviceMapping other = (InstanceBlockDeviceMapping)obj;
  
  if (other.getDeviceName() == null ^ this.getDeviceName() == null) return false;
  if (other.getDeviceName() != null && other.getDeviceName().equals(this.getDeviceName()) == false) return false; 
  if (other.getEbs() == null ^ this.getEbs() == null) return false;
  if (other.getEbs() != null && other.getEbs().equals(this.getEbs()) == false) return false; 
  return true;
}

@Override
public int hashCode() {
  final int prime = 31;
  int hashCode = 1;
  
  hashCode = prime * hashCode + ((getDeviceName() == null) ? 0 : getDeviceName().hashCode()); 
  hashCode = prime * hashCode + ((getEbs() == null) ? 0 : getEbs().hashCode()); 
  return hashCode;
}

/**
 * Returns a string representation of this object; useful for testing and
 * debugging.
 *
 * @return A string representation of this object.
 *
 * @see java.lang.Object#toString()
 */
@Override
public String toString() {
  StringBuilder sb = new StringBuilder();
  sb.append("{");
  if (getDeviceName() != null) sb.append("DeviceName: " + getDeviceName() + ",");
  if (getEbs() != null) sb.append("Ebs: " + getEbs() );
  sb.append("}");
  return sb.toString();
}

@Override
public int hashCode() {
  final int prime = 31;
  int hashCode = 1;
  hashCode = prime * hashCode + ((getDeviceName() == null) ? 0 : getDeviceName().hashCode());
  hashCode = prime * hashCode + ((getEbs() == null) ? 0 : getEbs().hashCode());
  return hashCode;
}

@Override
public boolean equals(Object obj) {
  if (this == obj)
    return true;
  if (obj == null)
    return false;
  if (obj instanceof InstanceBlockDeviceMapping == false)
    return false;
  InstanceBlockDeviceMapping other = (InstanceBlockDeviceMapping) obj;
  if (other.getDeviceName() == null ^ this.getDeviceName() == null)
    return false;
  if (other.getDeviceName() != null && other.getDeviceName().equals(this.getDeviceName()) == false)
    return false;
  if (other.getEbs() == null ^ this.getEbs() == null)
    return false;
  if (other.getEbs() != null && other.getEbs().equals(this.getEbs()) == false)
    return false;
  return true;
}