Examples of com.amazonaws.services.dynamodb.model.AttributeValueUpdate

Package com.amazonaws.services.dynamodb.model

Examples of com.amazonaws.services.dynamodb.model.AttributeValueUpdate

com.amazonaws.services.dynamodb.model.AttributeValueUpdate

Specifies the attribute to update and how to perform the update. Possible values: PUT (default), ADD or DELETE .

                String attributeName = reflector.getAttributeName(method);


                if ( getterResult == null && reflector.isAssignableKey(method) ) {
                    AttributeValue newVersionValue = getAutoGeneratedKeyAttributeValue(method, getterResult);
                    updateValues.put(attributeName,
                            new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                    inMemoryUpdates.add(new ValueUpdate(method, newVersionValue, object));


                    if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                        // Add an expect clause to make sure that the item
                        // doesn't already exist, since it's supposed to be new
                        ExpectedAttributeValue expected = new ExpectedAttributeValue();
                        expected.setExists(false);
                        expectedValues.put(attributeName, expected);
                    }
                } else {
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    if ( currentValue != null ) {
                        updateValues.put(attributeName,
                                new AttributeValueUpdate().withValue(currentValue).withAction("PUT"));
                    } else {
                        throw new DynamoDBMappingException("Null value for non-generated key for method " + method);
                    }
                }
            }
        } else {
            /*
             * If we don't have the required keys by this point, it's an error
             */
            if ( hashKeyElement == null ) {
                throw new DynamoDBMappingException("No value provided for hash key for object " + object);
            }
            if ( rangeKeyGetter != null && rangeKeyElement == null ) {
                throw new DynamoDBMappingException("No value provided for range key for object " + object);
            }
        }


        // Look at every getter and construct an update object for it
        for ( Method method : reflector.getRelevantGetters(clazz) ) {


            // Skip any key methods, since they are handled separately
            if ( method.equals(hashKeyGetter) || method.equals(rangeKeyGetter) )
                continue;


            nonKeyAttributePresent = true;


            Object getterResult = safeInvoke(method, object);
            String attributeName = reflector.getAttributeName(method);


            /*
             * If this is a versioned field, update it
             */
            if ( reflector.isVersionAttributeGetter(method) ) {
                if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                    // First establish the expected (current) value for the
                    // update call
                    ExpectedAttributeValue expected = new ExpectedAttributeValue();


                    // For new objects, insist that the value doesn't exist.
                    // For existing ones, insist it has the old value.
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    expected.setExists(currentValue != null);
                    if ( currentValue != null ) {
                        expected.setValue(currentValue);
                    }
                    expectedValues.put(attributeName, expected);
                }


                AttributeValue newVersionValue = getVersionAttributeValue(method, getterResult);
                updateValues
                        .put(attributeName, new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                inMemoryUpdates.add(new ValueUpdate(method, newVersionValue, object));
            }


            /*
             * Otherwise apply the update value for this attribute.
             */
            else  {
                AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                if ( currentValue != null ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withValue(currentValue)
                            .withAction("PUT"));
                } else if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withAction("DELETE"));
                }
            }
        }


        /*

View Full Code Here

    public void execute() {
        Key key = new Key(new AttributeValue("Key_1"));
        exchange.getIn().setHeader(DdbConstants.KEY, key);


        Map<String, AttributeValueUpdate> attributeMap = new HashMap<String, AttributeValueUpdate>();
        AttributeValueUpdate attributeValue = new AttributeValueUpdate(
                new AttributeValue("new value"), AttributeAction.ADD);
        attributeMap.put("name", attributeValue);
        exchange.getIn().setHeader(DdbConstants.UPDATE_VALUES, attributeMap);


        Map<String, ExpectedAttributeValue> expectedAttributeValueMap = new HashMap<String, ExpectedAttributeValue>();

View Full Code Here

                String attributeName = reflector.getAttributeName(method);


                if ( getterResult == null && reflector.isAssignableKey(method) ) {
                    AttributeValue newVersionValue = getAutoGeneratedKeyAttributeValue(method, getterResult);
                    updateValues.put(attributeName,
                            new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                    inMemoryUpdates.add(new ValueUpdate(method, newVersionValue, object));


                    if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                        // Add an expect clause to make sure that the item
                        // doesn't already exist, since it's supposed to be new
                        ExpectedAttributeValue expected = new ExpectedAttributeValue();
                        expected.setExists(false);
                        expectedValues.put(attributeName, expected);
                    }
                } else {
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    if ( currentValue != null ) {
                        updateValues.put(attributeName,
                                new AttributeValueUpdate().withValue(currentValue).withAction("PUT"));
                    } else {
                        throw new DynamoDBMappingException("Null value for non-generated key for method " + method);
                    }
                }
            }
        } else {
            /*
             * If we don't have the required keys by this point, it's an error
             */
            if ( hashKeyElement == null ) {
                throw new DynamoDBMappingException("No value provided for hash key for object " + object);
            }
            if ( rangeKeyGetter != null && rangeKeyElement == null ) {
                throw new DynamoDBMappingException("No value provided for range key for object " + object);
            }
        }


        // Look at every getter and construct an update object for it
        for ( Method method : reflector.getRelevantGetters(clazz) ) {


            // Skip any key methods, since they are handled separately
            if ( method.equals(hashKeyGetter) || method.equals(rangeKeyGetter) )
                continue;
            
            nonKeyAttributePresent = true;


            Object getterResult = safeInvoke(method, object);
            String attributeName = reflector.getAttributeName(method);


            /*
             * If this is a versioned field, update it
             */
            if ( reflector.isVersionAttributeGetter(method) ) {
                if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                    // First establish the expected (current) value for the
                    // update call
                    ExpectedAttributeValue expected = new ExpectedAttributeValue();


                    // For new objects, insist that the value doesn't exist.
                    // For existing ones, insist it has the old value.
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    expected.setExists(currentValue != null);
                    if ( currentValue != null ) {
                        expected.setValue(currentValue);
                    }
                    expectedValues.put(attributeName, expected);
                }


                AttributeValue newVersionValue = getVersionAttributeValue(method, getterResult);
                updateValues
                        .put(attributeName, new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                inMemoryUpdates.add(new ValueUpdate(method, newVersionValue, object));
            }


            /*
             * Otherwise apply the update value for this attribute.
             */
            else  {
                AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                if ( currentValue != null ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withValue(currentValue)
                            .withAction("PUT"));
                } else if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withAction("DELETE"));
                }
            }
        }


        /*

View Full Code Here

                String attributeName = reflector.getAttributeName(method);


                if ( getterResult == null && reflector.isAssignableKey(method) ) {
                    AttributeValue newVersionValue = getAutoGeneratedKeyAttributeValue(method, getterResult);
                    updateValues.put(attributeName,
                            new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                    inMemoryUpdates.add(new ValueUpdate(method, newVersionValue));


                    if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                        // Add an expect clause to make sure that the item
                        // doesn't already exist, since it's supposed to be new
                        ExpectedAttributeValue expected = new ExpectedAttributeValue();
                        expected.setExists(false);
                        expectedValues.put(attributeName, expected);
                    }
                } else {
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    if ( currentValue != null ) {
                        updateValues.put(attributeName,
                                new AttributeValueUpdate().withValue(currentValue).withAction("PUT"));
                    } else {
                        throw new DynamoDBMappingException("Null value for non-generated key for method " + method);
                    }
                }
            }
        } else {
            /*
             * If we don't have the required keys by this point, it's an error
             */
            if ( hashKeyElement == null ) {
                throw new DynamoDBMappingException("No value provided for hash key for object " + object);
            }
            if ( rangeKeyGetter != null && rangeKeyElement == null ) {
                throw new DynamoDBMappingException("No value provided for range key for object " + object);
            }
        }


        // Look at every getter and construct an update object for it
        for ( Method method : reflector.getRelevantGetters(clazz) ) {


            // Skip any key methods, since they are handled separately
            if ( method.equals(hashKeyGetter) || method.equals(rangeKeyGetter) )
                continue;
            
            nonKeyAttributePresent = true;


            Object getterResult = safeInvoke(method, object);
            String attributeName = reflector.getAttributeName(method);


            /*
             * If this is a versioned field, update it
             */
            if ( reflector.isVersionAttributeGetter(method) ) {
                if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                    // First establish the expected (current) value for the
                    // update call
                    ExpectedAttributeValue expected = new ExpectedAttributeValue();


                    // For new objects, insist that the value doesn't exist.
                    // For existing ones, insist it has the old value.
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    expected.setExists(currentValue != null);
                    if ( currentValue != null ) {
                        expected.setValue(currentValue);
                    }
                    expectedValues.put(attributeName, expected);
                }


                AttributeValue newVersionValue = getVersionAttributeValue(method, getterResult);
                updateValues
                        .put(attributeName, new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                inMemoryUpdates.add(new ValueUpdate(method, newVersionValue));
            }


            /*
             * Otherwise apply the update value for this attribute.
             */
            else  {
                AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                if ( currentValue != null ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withValue(currentValue)
                            .withAction("PUT"));
                } else if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withAction("DELETE"));
                }
            }
        }


        /*

View Full Code Here

                String attributeName = reflector.getAttributeName(method);


                if ( getterResult == null && reflector.isAssignableKey(method) ) {
                    AttributeValue newVersionValue = getAutoGeneratedKeyAttributeValue(method, getterResult);
                    updateValues.put(attributeName,
                            new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                    inMemoryUpdates.add(new ValueUpdate(method, newVersionValue, object));


                    if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                        // Add an expect clause to make sure that the item
                        // doesn't already exist, since it's supposed to be new
                        ExpectedAttributeValue expected = new ExpectedAttributeValue();
                        expected.setExists(false);
                        expectedValues.put(attributeName, expected);
                    }
                } else {
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    if ( currentValue != null ) {
                        updateValues.put(attributeName,
                                new AttributeValueUpdate().withValue(currentValue).withAction("PUT"));
                    } else {
                        throw new DynamoDBMappingException("Null value for non-generated key for method " + method);
                    }
                }
            }
        } else {
            /*
             * If we don't have the required keys by this point, it's an error
             */
            if ( hashKeyElement == null ) {
                throw new DynamoDBMappingException("No value provided for hash key for object " + object);
            }
            if ( rangeKeyGetter != null && rangeKeyElement == null ) {
                throw new DynamoDBMappingException("No value provided for range key for object " + object);
            }
        }


        // Look at every getter and construct an update object for it
        for ( Method method : reflector.getRelevantGetters(clazz) ) {


            // Skip any key methods, since they are handled separately
            if ( method.equals(hashKeyGetter) || method.equals(rangeKeyGetter) )
                continue;
            
            nonKeyAttributePresent = true;


            Object getterResult = safeInvoke(method, object);
            String attributeName = reflector.getAttributeName(method);


            /*
             * If this is a versioned field, update it
             */
            if ( reflector.isVersionAttributeGetter(method) ) {
                if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                    // First establish the expected (current) value for the
                    // update call
                    ExpectedAttributeValue expected = new ExpectedAttributeValue();


                    // For new objects, insist that the value doesn't exist.
                    // For existing ones, insist it has the old value.
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    expected.setExists(currentValue != null);
                    if ( currentValue != null ) {
                        expected.setValue(currentValue);
                    }
                    expectedValues.put(attributeName, expected);
                }


                AttributeValue newVersionValue = getVersionAttributeValue(method, getterResult);
                updateValues
                        .put(attributeName, new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                inMemoryUpdates.add(new ValueUpdate(method, newVersionValue, object));
            }


            /*
             * Otherwise apply the update value for this attribute.
             */
            else  {
                AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                if ( currentValue != null ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withValue(currentValue)
                            .withAction("PUT"));
                } else if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withAction("DELETE"));
                }
            }
        }


        /*

View Full Code Here

                    expectedValues.put(attributeName, expected);
                }


                AttributeValue newVersionValue = getVersionAttributeValue(method, getterResult);
                updateValues
                        .put(attributeName, new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                inMemoryUpdates.add(new ValueUpdate(method, newVersionValue));
            }


            /*
             * If this is a new item being saved, assign a key if possible and
             * force a put, rather than an update
             */
            else if ( getterResult == null && reflector.isAssignableKey(method) ) {
                forcePut = true;
                AttributeValue newVersionValue = getAutoGeneratedKeyAttributeValue(method, getterResult);
                updateValues
                        .put(attributeName, new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                inMemoryUpdates.add(new ValueUpdate(method, newVersionValue));
            }


            /*
             * Otherwise apply the put value for this attribute. Hash and range
             * keys are included in puts, but not updates.
             */
            else if ( config.getSaveBehavior() == SaveBehavior.CLOBBER
                    || (!method.equals(hashKeyGetter) && !method.equals(rangeKeyGetter)) ) {
                AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                if ( currentValue != null ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withValue(currentValue)
                            .withAction("PUT"));
                } else if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withAction("DELETE"));
                }
            }
        }


        /*

View Full Code Here

                String attributeName = reflector.getAttributeName(method);


                if ( getterResult == null && reflector.isAssignableKey(method) ) {
                    AttributeValue newVersionValue = getAutoGeneratedKeyAttributeValue(method, getterResult);
                    updateValues.put(attributeName,
                            new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                    inMemoryUpdates.add(new ValueUpdate(method, newVersionValue, object));


                    if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                        // Add an expect clause to make sure that the item
                        // doesn't already exist, since it's supposed to be new
                        ExpectedAttributeValue expected = new ExpectedAttributeValue();
                        expected.setExists(false);
                        expectedValues.put(attributeName, expected);
                    }
                } else {
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    if ( currentValue != null ) {
                        updateValues.put(attributeName,
                                new AttributeValueUpdate().withValue(currentValue).withAction("PUT"));
                    } else {
                        throw new DynamoDBMappingException("Null value for non-generated key for method " + method);
                    }
                }
            }
        } else {
            /*
             * If we don't have the required keys by this point, it's an error
             */
            if ( hashKeyElement == null ) {
                throw new DynamoDBMappingException("No value provided for hash key for object " + object);
            }
            if ( rangeKeyGetter != null && rangeKeyElement == null ) {
                throw new DynamoDBMappingException("No value provided for range key for object " + object);
            }
        }


        // Look at every getter and construct an update object for it
        for ( Method method : reflector.getRelevantGetters(clazz) ) {


            // Skip any key methods, since they are handled separately
            if ( method.equals(hashKeyGetter) || method.equals(rangeKeyGetter) )
                continue;


            nonKeyAttributePresent = true;


            Object getterResult = safeInvoke(method, object);
            String attributeName = reflector.getAttributeName(method);


            /*
             * If this is a versioned field, update it
             */
            if ( reflector.isVersionAttributeGetter(method) ) {
                if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                    // First establish the expected (current) value for the
                    // update call
                    ExpectedAttributeValue expected = new ExpectedAttributeValue();


                    // For new objects, insist that the value doesn't exist.
                    // For existing ones, insist it has the old value.
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    expected.setExists(currentValue != null);
                    if ( currentValue != null ) {
                        expected.setValue(currentValue);
                    }
                    expectedValues.put(attributeName, expected);
                }


                AttributeValue newVersionValue = getVersionAttributeValue(method, getterResult);
                updateValues
                        .put(attributeName, new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                inMemoryUpdates.add(new ValueUpdate(method, newVersionValue, object));
            }


            /*
             * Otherwise apply the update value for this attribute.
             */
            else  {
                AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                if ( currentValue != null ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withValue(currentValue)
                            .withAction("PUT"));
                } else if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withAction("DELETE"));
                }
            }
        }


        /*

View Full Code Here

                    .withN(item.get(key).getN())
                    .withNS(item.get(key).getNS())
                    .withS(item.get(key).getS())
                    .withSS(item.get(key).getSS());
            } else {
                updateValues.put(key, new AttributeValueUpdate(item.get(key), "PUT"));
            }
        }
        return updateValues;
    }

View Full Code Here


        Map<String, AttributeValueUpdate> attributes = new HashMap<String, AttributeValueUpdate>(
                values.size());
        for (Entry<String, ByteIterator> val : values.entrySet()) {
            AttributeValue v = new AttributeValue(val.getValue().toString());
            attributes.put(val.getKey(), new AttributeValueUpdate()
                    .withValue(v).withAction("PUT"));
        }


        UpdateItemRequest req = new UpdateItemRequest(table, createPrimaryKey(key), attributes);

View Full Code Here

                String attributeName = reflector.getAttributeName(method);


                if ( getterResult == null && reflector.isAssignableKey(method) ) {
                    AttributeValue newVersionValue = getAutoGeneratedKeyAttributeValue(method, getterResult);
                    updateValues.put(attributeName,
                            new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                    inMemoryUpdates.add(new ValueUpdate(method, newVersionValue, object));


                    if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                        // Add an expect clause to make sure that the item
                        // doesn't already exist, since it's supposed to be new
                        ExpectedAttributeValue expected = new ExpectedAttributeValue();
                        expected.setExists(false);
                        expectedValues.put(attributeName, expected);
                    }
                } else {
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    if ( currentValue != null ) {
                        updateValues.put(attributeName,
                                new AttributeValueUpdate().withValue(currentValue).withAction("PUT"));
                    } else {
                        throw new DynamoDBMappingException("Null value for non-generated key for method " + method);
                    }
                }
            }
        } else {
            /*
             * If we don't have the required keys by this point, it's an error
             */
            if ( hashKeyElement == null ) {
                throw new DynamoDBMappingException("No value provided for hash key for object " + object);
            }
            if ( rangeKeyGetter != null && rangeKeyElement == null ) {
                throw new DynamoDBMappingException("No value provided for range key for object " + object);
            }
        }


        // Look at every getter and construct an update object for it
        for ( Method method : reflector.getRelevantGetters(clazz) ) {


            // Skip any key methods, since they are handled separately
            if ( method.equals(hashKeyGetter) || method.equals(rangeKeyGetter) )
                continue;


            nonKeyAttributePresent = true;


            Object getterResult = safeInvoke(method, object);
            String attributeName = reflector.getAttributeName(method);


            /*
             * If this is a versioned field, update it
             */
            if ( reflector.isVersionAttributeGetter(method) ) {
                if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                    // First establish the expected (current) value for the
                    // update call
                    ExpectedAttributeValue expected = new ExpectedAttributeValue();


                    // For new objects, insist that the value doesn't exist.
                    // For existing ones, insist it has the old value.
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    expected.setExists(currentValue != null);
                    if ( currentValue != null ) {
                        expected.setValue(currentValue);
                    }
                    expectedValues.put(attributeName, expected);
                }


                AttributeValue newVersionValue = getVersionAttributeValue(method, getterResult);
                updateValues
                        .put(attributeName, new AttributeValueUpdate().withAction("PUT").withValue(newVersionValue));
                inMemoryUpdates.add(new ValueUpdate(method, newVersionValue, object));
            }


            /*
             * Otherwise apply the update value for this attribute.
             */
            else  {
                AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                if ( currentValue != null ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withValue(currentValue)
                            .withAction("PUT"));
                } else if ( config.getSaveBehavior() != SaveBehavior.CLOBBER ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withAction("DELETE"));
                }
            }
        }


        /*

View Full Code Here

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