Example usage for com.amazonaws.services.dynamodbv2.model AttributeValue getS

List of usage examples for com.amazonaws.services.dynamodbv2.model AttributeValue getS

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Introduction

In this page you can find the example usage for com.amazonaws.services.dynamodbv2.model AttributeValue getS.

Prototype


public String getS()

Source Link

Document

An attribute of type String.

Usage

From source file:awslabs.lab51.SolutionCode.java

License:Open Source License

@Override
public void addItemsToPage(AmazonS3Client s3Client, List<Map<String, AttributeValue>> items) {
    for (Map<String, AttributeValue> item : items) {
        AttributeValue key, bucket;
        if (item.containsKey("Key") && item.containsKey("Bucket")) {
            key = item.get("Key");
            bucket = item.get("Bucket");
            String itemUrl = getUrlForItem(s3Client, key.getS(), bucket.getS());
            labController.addImageToPage(itemUrl, bucket.getS(), key.getS());
        }//from w ww  .j av a  2  s. c o m
    }
}

From source file:com.amazon.janusgraph.diskstorage.dynamodb.builder.AbstractBuilder.java

License:Open Source License

protected StaticBuffer decodeValue(final AttributeValue val) {
    if (null == val) {
        return null;
    }/*from  w  w w .j ava  2s . c o  m*/
    // Dynamo does not allow empty binary values, so we use a placeholder
    // for empty values
    if (Constants.EMPTY_BUFFER_PLACEHOLDER.equals(val.getS())) {
        return BufferUtil.emptyBuffer();
    }
    return StaticArrayBuffer.of(val.getB());
}

From source file:com.amazon.janusgraph.diskstorage.dynamodb.builder.AbstractBuilder.java

License:Open Source License

protected StaticBuffer decodeKey(final Map<String, AttributeValue> key, final String name) {
    if (null == key || !key.containsKey(name)) {
        return null;
    }//from   w  w w .  j  a va  2  s .c o  m
    final AttributeValue attributeValue = key.get(name);
    final String value = attributeValue.getS();
    return decodeKey(value);
}

From source file:com.amazon.janusgraph.diskstorage.dynamodb.DynamoDbDelegate.java

License:Open Source License

/**
 * Helper method that can clone an Attribute Value
 *
 * @param val the AttributeValue to copy
 * @param sourceDestinationMap used to avoid loops by keeping track of references
 * @return a copy of val/*  w ww .  j a  va 2  s  .c o  m*/
 */
public static AttributeValue clone(final AttributeValue val,
        final IdentityHashMap<AttributeValue, AttributeValue> sourceDestinationMap) {
    if (val == null) {
        return null;
    }

    if (sourceDestinationMap.containsKey(val)) {
        return sourceDestinationMap.get(val);
    }

    final AttributeValue clonedVal = new AttributeValue();
    sourceDestinationMap.put(val, clonedVal);
    if (val.getN() != null) {
        clonedVal.setN(val.getN());
    } else if (val.getS() != null) {
        clonedVal.setS(val.getS());
    } else if (val.getB() != null) {
        clonedVal.setB(val.getB());
    } else if (val.getNS() != null) {
        clonedVal.setNS(val.getNS());
    } else if (val.getSS() != null) {
        clonedVal.setSS(val.getSS());
    } else if (val.getBS() != null) {
        clonedVal.setBS(val.getBS());
    } else if (val.getBOOL() != null) {
        clonedVal.setBOOL(val.getBOOL());
    } else if (val.getNULL() != null) {
        clonedVal.setNULL(val.getNULL());
    } else if (val.getL() != null) {
        final List<AttributeValue> list = new ArrayList<>(val.getL().size());
        for (AttributeValue listItemValue : val.getL()) {
            if (!sourceDestinationMap.containsKey(listItemValue)) {
                sourceDestinationMap.put(listItemValue, clone(listItemValue, sourceDestinationMap));
            }
            list.add(sourceDestinationMap.get(listItemValue));
        }
        clonedVal.setL(list);
    } else if (val.getM() != null) {
        final Map<String, AttributeValue> map = new HashMap<>(val.getM().size());
        for (Entry<String, AttributeValue> pair : val.getM().entrySet()) {
            if (!sourceDestinationMap.containsKey(pair.getValue())) {
                sourceDestinationMap.put(pair.getValue(), clone(pair.getValue(), sourceDestinationMap));
            }
            map.put(pair.getKey(), sourceDestinationMap.get(pair.getValue()));
        }
        clonedVal.setM(map);
    }
    return clonedVal;
}

From source file:com.amazon.janusgraph.diskstorage.dynamodb.DynamoDbDelegate.java

License:Open Source License

/**Calculate attribute value size*/
private static int calculateAttributeSizeInBytes(final AttributeValue value) {
    int attrValSize = 0;
    if (value == null) {
        return attrValSize;
    }//w  w w . j av  a  2  s.com

    if (value.getB() != null) {
        final ByteBuffer b = value.getB();
        attrValSize += b.remaining();
    } else if (value.getS() != null) {
        final String s = value.getS();
        attrValSize += s.getBytes(UTF8).length;
    } else if (value.getN() != null) {
        attrValSize += MAX_NUMBER_OF_BYTES_FOR_NUMBER;
    } else if (value.getBS() != null) {
        final List<ByteBuffer> bs = value.getBS();
        for (ByteBuffer b : bs) {
            if (b != null) {
                attrValSize += b.remaining();
            }
        }
    } else if (value.getSS() != null) {
        final List<String> ss = value.getSS();
        for (String s : ss) {
            if (s != null) {
                attrValSize += s.getBytes(UTF8).length;
            }
        }
    } else if (value.getNS() != null) {
        final List<String> ns = value.getNS();
        for (String n : ns) {
            if (n != null) {
                attrValSize += MAX_NUMBER_OF_BYTES_FOR_NUMBER;
            }
        }
    } else if (value.getBOOL() != null) {
        attrValSize += 1;
    } else if (value.getNULL() != null) {
        attrValSize += 1;
    } else if (value.getM() != null) {
        for (Map.Entry<String, AttributeValue> entry : value.getM().entrySet()) {
            attrValSize += entry.getKey().getBytes(UTF8).length;
            attrValSize += calculateAttributeSizeInBytes(entry.getValue());
            attrValSize += BASE_LOGICAL_SIZE_OF_NESTED_TYPES;
        }
        attrValSize += LOGICAL_SIZE_OF_EMPTY_DOCUMENT;
    } else if (value.getL() != null) {
        final List<AttributeValue> list = value.getL();
        for (Integer i = 0; i < list.size(); i++) {
            attrValSize += calculateAttributeSizeInBytes(list.get(i));
            attrValSize += BASE_LOGICAL_SIZE_OF_NESTED_TYPES;
        }
        attrValSize += LOGICAL_SIZE_OF_EMPTY_DOCUMENT;
    }
    return attrValSize;
}

From source file:com.aws.sampleImage.url.LambdaFunctionImageURLCrawlerHandler.java

private void handleEachRecord(String eventName, StreamRecord streamRecord) {
    try {/*from ww w.j a  v  a  2 s  .c  o m*/

        //Only if Insert then start processing
        if (INSERT_EVENT.equalsIgnoreCase(eventName)) {

            Map<String, AttributeValue> newImageMap = streamRecord.getNewImage();

            AttributeValue keywordsAttrVal = newImageMap.get("keywords");
            AttributeValue synsetCodeAttrVal = newImageMap.get("synset_code");

            String keywords = keywordsAttrVal.getS();
            String synsetCode = synsetCodeAttrVal.getS();

            /*System.out.println("Keywords : " + keywords);
            System.out.println("SynsetCode : " + synsetCode);*/

            String[] keywordFragments = keywords.split(",");

            for (int i = 0; i < keywordFragments.length; i++) {

                //System.out.println("Calling Flickr API for getting Image URL :: " + keywordFragments[i]);
                callFlickrAPIForEachKeyword(keywordFragments[i], synsetCode);

            }

        }

    } catch (AmazonServiceException ase) {
        System.out.println(ase.getMessage());
        //ace.printStackTrace();

    } catch (AmazonClientException ace) {
        System.out.println(ace.getMessage());
        //ace.printStackTrace();

    } catch (Exception ex) {
        System.out.println(ex.getMessage());
        //ex.printStackTrace();
    }
}

From source file:com.clicktravel.infrastructure.persistence.aws.dynamodb.AbstractDynamoDbTemplate.java

License:Apache License

protected final <T extends Item> Collection<PropertyDescriptor> createUniqueConstraintIndexes(final T item,
        final ItemConfiguration itemConfiguration,
        final Collection<PropertyDescriptor> constraintPropertyDescriptors) {
    final Set<PropertyDescriptor> createdConstraintPropertyDescriptors = new HashSet<>();
    ItemConstraintViolationException itemConstraintViolationException = null;
    for (final UniqueConstraint uniqueConstraint : itemConfiguration.uniqueConstraints()) {
        final String uniqueConstraintPropertyName = uniqueConstraint.propertyName();
        final PropertyDescriptor uniqueConstraintPropertyDescriptor = uniqueConstraint.propertyDescriptor();
        if (constraintPropertyDescriptors.contains(uniqueConstraintPropertyDescriptor)) {
            final AttributeValue uniqueConstraintAttributeValue = DynamoDbPropertyMarshaller.getValue(item,
                    uniqueConstraintPropertyDescriptor);
            if (uniqueConstraintAttributeValue == null) {
                continue;
            }// w  w w .  j  a  va  2  s .c  o m
            if (uniqueConstraintAttributeValue.getS() != null) {
                uniqueConstraintAttributeValue.setS(uniqueConstraintAttributeValue.getS().toUpperCase());
            }
            final Map<String, AttributeValue> attributeMap = new HashMap<>();
            attributeMap.put("property", new AttributeValue(uniqueConstraintPropertyName));
            attributeMap.put("value", uniqueConstraintAttributeValue);
            final Map<String, ExpectedAttributeValue> expectedResults = new HashMap<>();
            expectedResults.put("value", new ExpectedAttributeValue(false));
            final String indexTableName = databaseSchemaHolder.schemaName() + "-indexes."
                    + itemConfiguration.tableName();
            final PutItemRequest itemRequest = new PutItemRequest().withTableName(indexTableName)
                    .withItem(attributeMap).withExpected(expectedResults);
            try {
                amazonDynamoDbClient.putItem(itemRequest);
                createdConstraintPropertyDescriptors.add(uniqueConstraintPropertyDescriptor);
            } catch (final ConditionalCheckFailedException e) {
                itemConstraintViolationException = new ItemConstraintViolationException(
                        uniqueConstraintPropertyName,
                        "Unique constraint violation on property '" + uniqueConstraintPropertyName + "' ('"
                                + uniqueConstraintAttributeValue + "') of item " + item.getClass());
                break;
            } catch (final AmazonServiceException e) {
                throw new PersistenceResourceFailureException(
                        "Failure while attempting DynamoDb put (creating unique constraint index entry)", e);
            }
        }
    }
    if (itemConstraintViolationException != null) {
        try {
            deleteUniqueConstraintIndexes(item, itemConfiguration, createdConstraintPropertyDescriptors);
        } catch (final Exception e) {
            logger.error(e.getMessage(), e);
        }
        throw itemConstraintViolationException;
    }
    return createdConstraintPropertyDescriptors;
}

From source file:com.clicktravel.infrastructure.persistence.aws.dynamodb.AbstractDynamoDbTemplate.java

License:Apache License

protected final <T extends Item> void deleteUniqueConstraintIndexes(final T item,
        final ItemConfiguration itemConfiguration,
        final Collection<PropertyDescriptor> constraintPropertyDescriptors) {
    if (constraintPropertyDescriptors.isEmpty()) {
        return;/* w  ww.  j  av  a 2s. co m*/
    }
    for (final UniqueConstraint uniqueConstraint : itemConfiguration.uniqueConstraints()) {
        final String uniqueConstraintPropertyName = uniqueConstraint.propertyName();
        final PropertyDescriptor uniqueConstraintPropertyDescriptor = uniqueConstraint.propertyDescriptor();
        if (constraintPropertyDescriptors.contains(uniqueConstraintPropertyDescriptor)) {
            final AttributeValue uniqueConstraintAttributeValue = DynamoDbPropertyMarshaller.getValue(item,
                    uniqueConstraintPropertyDescriptor);
            if (uniqueConstraintAttributeValue != null) {
                if (uniqueConstraintAttributeValue.getS() != null) {
                    uniqueConstraintAttributeValue.setS(uniqueConstraintAttributeValue.getS().toUpperCase());
                }
                final Map<String, AttributeValue> key = new HashMap<>();
                key.put("property", new AttributeValue(uniqueConstraintPropertyName));
                key.put("value", uniqueConstraintAttributeValue);
                final String indexTableName = databaseSchemaHolder.schemaName() + "-indexes."
                        + itemConfiguration.tableName();
                final DeleteItemRequest itemRequest = new DeleteItemRequest().withTableName(indexTableName)
                        .withKey(key);
                try {
                    amazonDynamoDbClient.deleteItem(itemRequest);
                } catch (final AmazonServiceException e) {
                    throw new PersistenceResourceFailureException(
                            "Failed while attempting to perform DynamoDb Delete (for unique constraints)", e);
                }
            }
        }
    }
}

From source file:com.clicktravel.infrastructure.persistence.aws.dynamodb.DynamoDbTemplate.java

License:Apache License

private <T extends Item> T marshallIntoObject(final Class<T> itemClass,
        final Map<String, AttributeValue> itemAttributeMap) throws ItemClassDiscriminatorMismatchException {
    ItemConfiguration itemConfiguration = getItemConfiguration(itemClass);
    Class<? extends T> actualItemClass = itemClass;
    if (ParentItemConfiguration.class.isAssignableFrom(itemConfiguration.getClass())) {
        final ParentItemConfiguration parentItemConfiguration = (ParentItemConfiguration) itemConfiguration;
        final AttributeValue discriminatorAttribute = itemAttributeMap
                .get(parentItemConfiguration.discriminator());
        if (discriminatorAttribute != null) {
            actualItemClass = parentItemConfiguration.getVariantItemClass(discriminatorAttribute.getS());
            itemConfiguration = getItemConfiguration(actualItemClass);
        }/* w w  w  .j  av a  2 s  .co m*/
    } else if (VariantItemConfiguration.class.isAssignableFrom(itemConfiguration.getClass())) {
        final VariantItemConfiguration variantItemConfiguration = (VariantItemConfiguration) itemConfiguration;
        final AttributeValue discriminatorAttribute = itemAttributeMap
                .get(variantItemConfiguration.parentItemConfiguration().discriminator());
        if (discriminatorAttribute == null || !((VariantItemConfiguration) itemConfiguration)
                .discriminatorValue().equals(discriminatorAttribute.getS())) {
            throw new ItemClassDiscriminatorMismatchException();
        }
    }
    try {
        final T item = actualItemClass.newInstance();
        for (final PropertyDescriptor propertyDescriptor : itemConfiguration.propertyDescriptors()) {
            final AttributeValue attributeValue = itemAttributeMap.get(propertyDescriptor.getName());
            DynamoDbPropertyMarshaller.setValue(item, propertyDescriptor, attributeValue);
        }
        return item;
    } catch (final Exception e) {
        throw new IllegalStateException(e);
    }
}

From source file:com.clicktravel.infrastructure.persistence.aws.dynamodb.DynamoDbTemplate.java

License:Apache License

public <T extends Item> Collection<UniqueConstraint> getUpdatedUniqueConstraints(final T item,
        final T previousItem, final ItemConfiguration itemConfiguration) {
    final Map<String, AttributeValue> previousItemAttributeMap = getAttributeMap(previousItem,
            itemConfiguration, item.getVersion());
    if (!previousItemAttributeMap.get(VERSION_ATTRIBUTE).getN().equals(String.valueOf(item.getVersion()))) {
        throw new ConditionalCheckFailedException("Version attribute has changed: Conflict!");
    }/*from   w ww.  j av  a 2s. c  om*/
    final Map<String, AttributeValue> updateItemAttributeMap = getAttributeMap(item, itemConfiguration,
            item.getVersion());
    final Collection<String> updatedProperties = getUpdateProperties(previousItemAttributeMap,
            updateItemAttributeMap);
    final Collection<UniqueConstraint> updatedUniqueConstraints = new HashSet<>();
    for (final UniqueConstraint uniqueConstraint : itemConfiguration.uniqueConstraints()) {
        final String propertyName = uniqueConstraint.propertyDescriptor().getName();
        if (updatedProperties.contains(propertyName)) {
            final AttributeValue previousAttributeValue = previousItemAttributeMap.get(propertyName);
            final AttributeValue updatedAttributeValue = updateItemAttributeMap.get(propertyName);
            if (previousAttributeValue == null || updatedAttributeValue == null
                    || !previousAttributeValue.getS().equalsIgnoreCase(updatedAttributeValue.getS())) {
                updatedUniqueConstraints.add(uniqueConstraint);
            }
        }
    }
    return updatedUniqueConstraints;
}