Package com.amazonaws.services.dynamodbv2.model

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


                String attributeName) {
            if ( getLocalSaveBehavior() != SaveBehavior.CLOBBER
                    && !internalExpectedValueAssertions.containsKey(attributeName)) {
                // 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);
                }
                internalExpectedValueAssertions.put(attributeName, expected);
            }

            AttributeValue newVersionValue = getVersionAttributeValue(method, getterResult);
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        Map<String, ExpectedAttributeValue> expectedValues = new HashMap<String, ExpectedAttributeValue>();

        String hashKeyAttributeName = reflector.getAttributeName(hashKeyGetter);
        Object hashGetterResult = safeInvoke(hashKeyGetter, object);
        attributes.put(hashKeyAttributeName, getSimpleAttributeValue(hashKeyGetter, hashGetterResult));
        expectedValues.put(hashKeyAttributeName, new ExpectedAttributeValue().withExists(false));

        if (rangeKeyGetter != null) {
            String rangeKeyAttributeName = reflector.getAttributeName(rangeKeyGetter);
            Object rangeGetterResult = safeInvoke(rangeKeyGetter, object);
            attributes.put(rangeKeyAttributeName, getSimpleAttributeValue(rangeKeyGetter, rangeGetterResult));
            expectedValues.put(rangeKeyAttributeName, new ExpectedAttributeValue().withExists(false));
        }
        attributes = transformAttributes(clazz, attributes);

        //overlay any user provided expected values.
        if(userProvidedExpectedValues != null){
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                if ( reflector.isVersionAttributeGetter(method) ) {
                    Object getterResult = safeInvoke(method, object);
                    String attributeName = reflector.getAttributeName(method);

                    ExpectedAttributeValue expected = new ExpectedAttributeValue();
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    expected.setExists(currentValue != null);
                    if ( currentValue != null )
                        expected.setValue(currentValue);
                    expectedValues.put(attributeName, expected);
                    break;
                }
            }
        }
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            inMemoryUpdates.add(new ValueUpdate(method, newVersionValue, object));

            if ( getLocalSaveBehavior() != SaveBehavior.CLOBBER && !expectedValues.containsKey(attributeName)) {
                // 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);
            }
        }
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        private void onVersionAttribute(Method method, Object getterResult,
                String attributeName) {
            if ( getLocalSaveBehavior() != SaveBehavior.CLOBBER && !expectedValues.containsKey(attributeName)) {
                // 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);
View Full Code Here

                    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 ) {
                    throw new DynamoDBMappingException("Null or empty value for key: " + method);
                }
               
                key.put(attributeName, currentValue);

                if ( forcePut ) {
                    updateValues.put(attributeName, new AttributeValueUpdate().withValue(currentValue)
                            .withAction("PUT"));
                }
            }
        }

        /*
         * Next construct an update for every non-key property
         */
        for ( Method method : reflector.getRelevantGetters(clazz) ) {

            // Skip any key methods, since they are handled separately
            if ( keyGetters.contains(method) )
                continue;

            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);
View Full Code Here

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

                    ExpectedAttributeValue expected = new ExpectedAttributeValue();
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    expected.setExists(currentValue != null);
                    if ( currentValue != null )
                        expected.setValue(currentValue);
                    expectedValues.put(attributeName, expected);
                    break;
                }
            }
        }
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            inMemoryUpdates.add(new ValueUpdate(method, newVersionValue, object));

            if ( getLocalSaveBehavior() != SaveBehavior.CLOBBER && !expectedValues.containsKey(attributeName)) {
                // 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);
            }
        }
View Full Code Here

        private void onVersionAttribute(Method method, Object getterResult,
                String attributeName) {
            if ( getLocalSaveBehavior() != SaveBehavior.CLOBBER && !expectedValues.containsKey(attributeName)) {
                // 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);
View Full Code Here

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

        String hashKeyAttributeName = reflector.getAttributeName(hashKeyGetter);
        Object hashGetterResult = safeInvoke(hashKeyGetter, object);
        attributes.put(hashKeyAttributeName, getSimpleAttributeValue(hashKeyGetter, hashGetterResult));
        expectedValues.put(hashKeyAttributeName, new ExpectedAttributeValue().withExists(false));

        if (rangeKeyGetter != null) {
            String rangeKeyAttributeName = reflector.getAttributeName(rangeKeyGetter);
            Object rangeGetterResult = safeInvoke(rangeKeyGetter, object);
            attributes.put(rangeKeyAttributeName, getSimpleAttributeValue(rangeKeyGetter, rangeGetterResult));
            expectedValues.put(rangeKeyAttributeName, new ExpectedAttributeValue().withExists(false));
        }

        attributes = transformAttributes(
            toParameters(attributes, clazz, config));
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