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Add items in Dynamodb from two methods of different classes

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0

Earlier logic was straight forward one method provides object which dynamodb db persist methods insert into table. But now trying to add same item map with two different classes.

@Override
public void persist(Object1 object1) 
 try 

 Map<String, AttributeValue> item = new HashMap<>();

 item.put(DynamoDBField.Fields.FIELD_ID, new AttributeValue().withN(String.valueOf(object1.getId())));
 item.put(DynamoDBField.Fields.STATUS, new AttributeValue().withS(String.valueOf(object1.getStatus())));

 amazonDynamoDBGateway.put(getTableName(), item);

 catch (DynamoDatabaseException e) 
 throw new DynamoDatabaseException(e, PersistenceErrorType.DB_COMMIT_FAILED);
 

This persist method calls in other class like this:

public void onCreate(Object1 object1)
 updateDynamoRepository.persist(object1);

Now lets say I add another class that create Object2:

public class ClassForObject2
 private Object2 object2= new Object2("my object2");

I am wondering how can I add object2 in method persist so along with object1 it can add object2 as well in parallel

Ultimately in dynamo it should be like:

|field_id|status|field_from_object2|
+--------+------+------------------+
| 123 | ON | my object 2 |

Would appreciate guide in this I looked at pass by value but no success.

java spring spring-boot java-8 amazon-dynamodb

share|improve this question

edited Mar 27 at 18:13

Ahsan Naseem

asked Mar 27 at 12:30

Ahsan NaseemAhsan Naseem

52133 silver badges2121 bronze badges

add a comment | 

0

Earlier logic was straight forward one method provides object which dynamodb db persist methods insert into table. But now trying to add same item map with two different classes.

@Override
public void persist(Object1 object1) 
 try 

 Map<String, AttributeValue> item = new HashMap<>();

 item.put(DynamoDBField.Fields.FIELD_ID, new AttributeValue().withN(String.valueOf(object1.getId())));
 item.put(DynamoDBField.Fields.STATUS, new AttributeValue().withS(String.valueOf(object1.getStatus())));

 amazonDynamoDBGateway.put(getTableName(), item);

 catch (DynamoDatabaseException e) 
 throw new DynamoDatabaseException(e, PersistenceErrorType.DB_COMMIT_FAILED);
 

This persist method calls in other class like this:

public void onCreate(Object1 object1)
 updateDynamoRepository.persist(object1);

Now lets say I add another class that create Object2:

public class ClassForObject2
 private Object2 object2= new Object2("my object2");

I am wondering how can I add object2 in method persist so along with object1 it can add object2 as well in parallel

Ultimately in dynamo it should be like:

|field_id|status|field_from_object2|
+--------+------+------------------+
| 123 | ON | my object 2 |

Would appreciate guide in this I looked at pass by value but no success.

java spring spring-boot java-8 amazon-dynamodb

share|improve this question

edited Mar 27 at 18:13

Ahsan Naseem

asked Mar 27 at 12:30

Ahsan NaseemAhsan Naseem

52133 silver badges2121 bronze badges

add a comment | 

Earlier logic was straight forward one method provides object which dynamodb db persist methods insert into table. But now trying to add same item map with two different classes.

@Override
public void persist(Object1 object1) 
 try 

 Map<String, AttributeValue> item = new HashMap<>();

 item.put(DynamoDBField.Fields.FIELD_ID, new AttributeValue().withN(String.valueOf(object1.getId())));
 item.put(DynamoDBField.Fields.STATUS, new AttributeValue().withS(String.valueOf(object1.getStatus())));

 amazonDynamoDBGateway.put(getTableName(), item);

 catch (DynamoDatabaseException e) 
 throw new DynamoDatabaseException(e, PersistenceErrorType.DB_COMMIT_FAILED);
 

This persist method calls in other class like this:

public void onCreate(Object1 object1)
 updateDynamoRepository.persist(object1);

Now lets say I add another class that create Object2:

public class ClassForObject2
 private Object2 object2= new Object2("my object2");

I am wondering how can I add object2 in method persist so along with object1 it can add object2 as well in parallel

Ultimately in dynamo it should be like:

|field_id|status|field_from_object2|
+--------+------+------------------+
| 123 | ON | my object 2 |

Would appreciate guide in this I looked at pass by value but no success.

java spring spring-boot java-8 amazon-dynamodb

share|improve this question

edited Mar 27 at 18:13

Ahsan Naseem

asked Mar 27 at 12:30

Ahsan NaseemAhsan Naseem

52133 silver badges2121 bronze badges

@Override
public void persist(Object1 object1) 
 try 

 Map<String, AttributeValue> item = new HashMap<>();

 item.put(DynamoDBField.Fields.FIELD_ID, new AttributeValue().withN(String.valueOf(object1.getId())));
 item.put(DynamoDBField.Fields.STATUS, new AttributeValue().withS(String.valueOf(object1.getStatus())));

 amazonDynamoDBGateway.put(getTableName(), item);

 catch (DynamoDatabaseException e) 
 throw new DynamoDatabaseException(e, PersistenceErrorType.DB_COMMIT_FAILED);
 

public void onCreate(Object1 object1)
 updateDynamoRepository.persist(object1);

public class ClassForObject2
 private Object2 object2= new Object2("my object2");

|field_id|status|field_from_object2|
+--------+------+------------------+
| 123 | ON | my object 2 |

share|improve this question

edited Mar 27 at 18:13

Ahsan Naseem

asked Mar 27 at 12:30

Ahsan NaseemAhsan Naseem

52133 silver badges2121 bronze badges

share|improve this question

edited Mar 27 at 18:13

Ahsan Naseem

asked Mar 27 at 12:30

Ahsan NaseemAhsan Naseem

52133 silver badges2121 bronze badges

asked Mar 27 at 12:30

Ahsan NaseemAhsan Naseem

52133 silver badges2121 bronze badges

asked Mar 27 at 12:30

Ahsan NaseemAhsan Naseem

52133 silver badges2121 bronze badges