Example usage for com.amazonaws.services.dynamodbv2.model DeleteItemRequest DeleteItemRequest

Introduction

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

Prototype

public DeleteItemRequest() 

Source Link

Document

Default constructor for DeleteItemRequest object.

Usage

From source file:amazon.dynamodb.model.DeletePointRequest.java

License:Open Source License

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

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

---

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

License:Open Source License

protected DeleteItemRequest createDeleteItemRequest() {
    return new DeleteItemRequest().withTableName(tableName)
            .withReturnConsumedCapacity(ReturnConsumedCapacity.TOTAL);
}

---

From source file:com.amazon.janusgraph.diskstorage.dynamodb.mutation.SingleUpdateWithCleanupWorker.java

License:Open Source License

@Override
public Void call() throws BackendException {

    final UpdateItem updateBackoff = new UpdateItem(updateItemRequest, dynamoDbDelegate);
    final UpdateItemResult result = updateBackoff.runWithBackoff();

    final Map<String, AttributeValue> item = result.getAttributes();

    if (item == null) {
        // bail//from  w w w .  ja  va 2s  . c  o  m
        return null;
    }

    // If the record has no Titan columns left after deletions occur, then just delete the record
    if (item.containsKey(Constants.JANUSGRAPH_HASH_KEY) && item.size() == ATTRIBUTES_IN_EMPTY_SINGLE_ITEM) {
        final DeleteItem deleteBackoff = new DeleteItem(new DeleteItemRequest()
                .withTableName(updateItemRequest.getTableName()).withKey(updateItemRequest.getKey()),
                dynamoDbDelegate);
        deleteBackoff.runWithBackoff();
    }

    // void
    return null;
}

---

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;/*from   w w w.ja v  a  2 s. c  o 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

@Override
public void delete(final Item item, final PersistenceExceptionHandler<?>... persistenceExceptionHandlers) {
    final ItemConfiguration itemConfiguration = getItemConfiguration(item.getClass());
    final ItemId itemId = itemConfiguration.getItemId(item);
    final Map<String, AttributeValue> key = new HashMap<>();
    final PrimaryKeyDefinition primaryKeyDefinition = itemConfiguration.primaryKeyDefinition();
    key.put(primaryKeyDefinition.propertyName(), new AttributeValue(itemId.value()));
    if (CompoundPrimaryKeyDefinition.class.isAssignableFrom(primaryKeyDefinition.getClass())) {
        final CompoundPrimaryKeyDefinition compoundPrimaryKeyDefinition = (CompoundPrimaryKeyDefinition) primaryKeyDefinition;
        key.put(compoundPrimaryKeyDefinition.supportingPropertyName(),
                new AttributeValue(itemId.supportingValue()));
    }/*from w w  w  .j  av  a 2s . c  o m*/
    final Map<String, ExpectedAttributeValue> expectedResults = new HashMap<>();
    expectedResults.put(VERSION_ATTRIBUTE,
            new ExpectedAttributeValue(new AttributeValue().withN(String.valueOf(item.getVersion()))));
    final String tableName = databaseSchemaHolder.schemaName() + "." + itemConfiguration.tableName();
    final DeleteItemRequest deleteItemRequest = new DeleteItemRequest().withTableName(tableName).withKey(key)
            .withExpected(expectedResults);
    try {
        amazonDynamoDbClient.deleteItem(deleteItemRequest);
    } catch (final AmazonServiceException e) {
        throw new PersistenceResourceFailureException("Failure while attempting DynamoDb Delete", e);
    }

    deleteUniqueConstraintIndexes(item, itemConfiguration);
}

---

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

License:Apache License

void deletedCreatedItems() {
    for (final String id : createdItemIds) {
        final Map<String, AttributeValue> key = new HashMap<>();
        key.put("id", new AttributeValue(id));
        final DeleteItemRequest deleteItemRequest = new DeleteItemRequest()
                .withTableName(unitTestSchemaName + "." + stubItemTableName).withKey(key);
        try {/* w ww .j a  v a  2s  .co  m*/
            amazonDynamoDbClient.deleteItem(deleteItemRequest);
        } catch (final Exception e) {
            // Ignore
        }
    }
}

---

From source file:com.grublr.geo.model.DeletePointRequest.java

License:Open Source License

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

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

---

From source file:com.makariev.dynamodb.preferences.UserPreferenceLowLevelAPIService.java

License:Open Source License

@Override
public void delete(UserPreference up) {
    //Key primaryKey = new Key().withHashKeyElement(up);
    Map<String, AttributeValue> primaryKey = new HashMap<>();
    AttributeValue avKey = new AttributeValue();
    avKey.withN(String.valueOf(up.getUserNo()));
    primaryKey.put("userNo", avKey);
    DeleteItemRequest request = new DeleteItemRequest().withTableName(UserPreference.TABLE_NAME)
            .withKey(primaryKey);/*from ww  w. j  a v a2s  .  co m*/

    dynamoDb.deleteItem(request);
}

---

From source file:com.rapid7.diskstorage.dynamodb.DynamoDBStore.java

License:Open Source License

private final Collection<MutateWorker> createWorkersForDeletions(StaticBuffer hashKey,
        List<StaticBuffer> deletions, String tableName, DynamoDBStoreTransaction txh) {
    List<MutateWorker> workers = new LinkedList<>();
    for (StaticBuffer rangeKey : deletions) {
        final Map<String, AttributeValue> keys = new ItemBuilder().hashKey(hashKey).rangeKey(rangeKey).build();

        final Expression updateExpression = new MultiUpdateExpressionBuilder().hashKey(hashKey)
                .rangeKey(rangeKey).transaction(txh).build();

        final DeleteItemRequest request = new DeleteItemRequest().withTableName(tableName)
                .withConditionExpression(updateExpression.getConditionExpression())
                .withExpressionAttributeValues(updateExpression.getAttributeValues())
                .withReturnConsumedCapacity(ReturnConsumedCapacity.TOTAL).withKey(keys);

        workers.add(new DeleteItemWorker(request, client.delegate()));
    }// w  w w. j  a  v a 2 s  . c  o m
    return workers;
}

---

From source file:com.rapid7.diskstorage.dynamodb.mutation.SingleUpdateWithCleanupWorker.java

License:Open Source License

@Override
public Void call() throws BackendException {

    ExponentialBackoff.UpdateItem updateBackoff = new ExponentialBackoff.UpdateItem(updateItemRequest,
            dynamoDBDelegate);/*from   ww  w .  j  ava2 s  .com*/
    UpdateItemResult result = updateBackoff.runWithBackoff();

    final Map<String, AttributeValue> item = result.getAttributes();

    if (item == null) {
        // bail
        return null;
    }

    // If the record has no Titan columns left after deletions occur, then just delete the record
    if (item.containsKey(Constants.TITAN_HASH_KEY) && item.size() == ATTRIBUTES_IN_EMPTY_SINGLE_ITEM) {
        ExponentialBackoff.DeleteItem deleteBackoff = new ExponentialBackoff.DeleteItem(new DeleteItemRequest()
                .withTableName(updateItemRequest.getTableName()).withKey(updateItemRequest.getKey()),
                dynamoDBDelegate);
        deleteBackoff.runWithBackoff();
    }

    // void
    return null;
}

---

• «
• 1
• 2
• »