Examples of com.amazonaws.services.dynamodbv2.model.DeleteItemRequest

Package com.amazonaws.services.dynamodbv2.model

Examples of com.amazonaws.services.dynamodbv2.model.DeleteItemRequest

com.amazonaws.services.dynamodbv2.model.DeleteItemRequest
Container for the parameters to the {@link com.amazonaws.services.dynamodbv2.AmazonDynamoDB#deleteItem(DeleteItemRequest) DeleteItem operation}.
Deletes a single item in a table by primary key. You can perform a conditional delete operation that deletes the item if it exists, or if it has an expected attribute value.

In addition to deleting an item, you can also return the item's attribute values in the same operation, using the ReturnValues parameter.

Unless you specify conditions, the DeleteItem is an idempotent operation; running it multiple times on the same item or attribute does not result in an error response.

Conditional deletes are useful for only deleting items if specific conditions are met. If those conditions are met, Amazon DynamoDB performs the delete. Otherwise, the item is not deleted.
@see com.amazonaws.services.dynamodbv2.AmazonDynamoDB#deleteItem(DeleteItemRequest)

                    internalAssertions, deleteExpression.getExpected(),
                    deleteExpression.getConditionalOperator());
            conditionOperator = deleteExpression.getConditionalOperator();
        }


        DeleteItemRequest req = applyUserAgent(new DeleteItemRequest()
            .withKey(key).withTableName(tableName)
            .withExpected(expectedValues))
            .withConditionalOperator(conditionOperator)
            .withRequestMetricCollector(config.getRequestMetricCollector())
            ;

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    public static void deleteSession(AmazonDynamoDB dynamo, String tableName, String sessionId) {
        Map<String, AttributeValue> key = newAttributeValueMap();
        key.put(SessionTableAttributes.SESSION_ID_KEY, new AttributeValue(sessionId));


        DeleteItemRequest request = new DeleteItemRequest(tableName, key);
        addClientMarker(request);


        try {
            dynamo.deleteItem(request);
        } catch (Exception e) {

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        //Overlay any user provided expected values onto the generated ones
        if(deleteExpression != null && deleteExpression.getExpected() != null){
            expectedValues.putAll(deleteExpression.getExpected());
        }


        db.deleteItem(applyUserAgent(new DeleteItemRequest().withKey(key).withTableName(tableName).withExpected(expectedValues)));
    }

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  private DeleteItemRequest deleteItemRequest;
  private GeoPoint geoPoint;
  private AttributeValue rangeKeyValue;


  public DeletePointRequest(GeoPoint geoPoint, AttributeValue rangeKeyValue) {
    deleteItemRequest = new DeleteItemRequest();
    deleteItemRequest.setKey(new HashMap<String, AttributeValue>());


    this.geoPoint = geoPoint;
    this.rangeKeyValue = rangeKeyValue;
  }

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                    break;
                }
            }
        }


        db.deleteItem(applyUserAgent(new DeleteItemRequest().withKey(key).withTableName(tableName).withExpected(expectedValues)));
    }

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        //Overlay any user provided expected values onto the generated ones
        if(deleteExpression != null && deleteExpression.getExpected() != null){
            expectedValues.putAll(deleteExpression.getExpected());
        }


        DeleteItemRequest req = applyUserAgent(new DeleteItemRequest()
            .withKey(key).withTableName(tableName)
            .withExpected(expectedValues))
            .withRequestMetricCollector(config.getRequestMetricCollector())
            ;
        db.deleteItem(req);

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        //Overlay any user provided expected values onto the generated ones
        if(deleteExpression != null && deleteExpression.getExpected() != null){
            expectedValues.putAll(deleteExpression.getExpected());
        }


        DeleteItemRequest req = applyUserAgent(new DeleteItemRequest()
            .withKey(key).withTableName(tableName)
            .withExpected(expectedValues))
            .withRequestMetricCollector(config.getRequestMetricCollector())
            ;
        db.deleteItem(req);

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                    break;
                }
            }
        }


        db.deleteItem(applyUserAgent(new DeleteItemRequest().withKey(key).withTableName(tableName).withExpected(expectedValues)));
    }

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                    internalAssertions, deleteExpression.getExpected(),
                    deleteExpression.getConditionalOperator());
            conditionOperator = deleteExpression.getConditionalOperator();
        }


        DeleteItemRequest req = applyUserAgent(new DeleteItemRequest()
            .withKey(key).withTableName(tableName)
            .withExpected(expectedValues))
            .withConditionalOperator(conditionOperator)
            .withRequestMetricCollector(config.getRequestMetricCollector())
            ;

View Full Code Here

        //Overlay any user provided expected values onto the generated ones
        if(deleteExpression != null && deleteExpression.getExpected() != null){
            expectedValues.putAll(deleteExpression.getExpected());
        }


        DeleteItemRequest req = applyUserAgent(new DeleteItemRequest()
            .withKey(key).withTableName(tableName)
            .withExpected(expectedValues))
            .withRequestMetricCollector(config.getRequestMetricCollector())
            ;
        db.deleteItem(req);

View Full Code Here

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