Examples with Item com.amazonaws.services.dynamodbv2.document.Item used on opensource projects

Example 31 with Item

use of com.amazonaws.services.dynamodbv2.document.Item in project jcabi-dynamo by jcabi.

the class AwsItem method put.

@Override
public Map<String, AttributeValue> put(final Map<String, AttributeValueUpdate> attrs) throws IOException {
    final AmazonDynamoDB aws = this.credentials.aws();
    final Attributes expected = this.attributes.only(this.keys);
    try {
        final UpdateItemRequest request = new UpdateItemRequest().withTableName(this.name).withExpected(expected.asKeys()).withKey(expected).withAttributeUpdates(attrs).withReturnConsumedCapacity(ReturnConsumedCapacity.TOTAL).withReturnValues(ReturnValue.UPDATED_NEW);
        final long start = System.currentTimeMillis();
        final UpdateItemResult result = aws.updateItem(request);
        Logger.info(this, "#put('%s'): updated item to DynamoDB, %s, in %[ms]s", attrs, new PrintableConsumedCapacity(result.getConsumedCapacity()).print(), System.currentTimeMillis() - start);
        return result.getAttributes();
    } catch (final AmazonClientException ex) {
        throw new IOException(String.format("Failed to put %s into \"%s\" with %s", attrs, this.name, this.keys), ex);
    } finally {
        aws.shutdown();
    }
}

Example 32 with Item

use of com.amazonaws.services.dynamodbv2.document.Item in project jcabi-dynamo by jcabi.

the class AwsIterator method remove.

@Override
@SuppressWarnings("PMD.UseConcurrentHashMap")
public void remove() {
    synchronized (this.dosage) {
        final AmazonDynamoDB aws = this.credentials.aws();
        try {
            final Dosage prev = this.dosage.get();
            final List<Map<String, AttributeValue>> items = new ArrayList<Map<String, AttributeValue>>(prev.items());
            final Map<String, AttributeValue> item = items.remove(this.position);
            final long start = System.currentTimeMillis();
            final DeleteItemResult res = aws.deleteItem(new DeleteItemRequest().withTableName(this.name).withKey(new Attributes(item).only(this.keys)).withReturnConsumedCapacity(ReturnConsumedCapacity.TOTAL).withExpected(new Attributes(item).only(this.keys).asKeys()));
            this.dosage.set(new AwsIterator.Fixed(prev, items));
            --this.position;
            Logger.info(this, "#remove(): item #%d removed from DynamoDB, %s, in %[ms]s", this.position, new PrintableConsumedCapacity(res.getConsumedCapacity()).print(), System.currentTimeMillis() - start);
        } finally {
            aws.shutdown();
        }
    }
}

Example 33 with Item

use of com.amazonaws.services.dynamodbv2.document.Item in project jcabi-dynamo by jcabi.

the class AwsTableTest method savesItemToDynamo.

/**
 * AwsTable can save an item.
 * @throws Exception If some problem inside
 */
@Test
public void savesItemToDynamo() throws Exception {
    final Credentials credentials = Mockito.mock(Credentials.class);
    final AmazonDynamoDB aws = Mockito.mock(AmazonDynamoDB.class);
    Mockito.doReturn(aws).when(credentials).aws();
    Mockito.doReturn(new PutItemResult().withConsumedCapacity(new ConsumedCapacity().withCapacityUnits(1.0d))).when(aws).putItem(Mockito.any(PutItemRequest.class));
    Mockito.doReturn(new DescribeTableResult().withTable(new TableDescription().withKeySchema(new KeySchemaElement().withAttributeName(AwsTableTest.KEY)))).when(aws).describeTable(Mockito.any(DescribeTableRequest.class));
    final String attr = "attribute-1";
    final AttributeValue value = new AttributeValue("value-1");
    final String name = "table-name";
    final Table table = new AwsTable(credentials, Mockito.mock(Region.class), name);
    table.put(new Attributes().with(attr, value));
    Mockito.verify(aws).putItem(PutItemRequest.class.cast(MockitoHamcrest.argThat(Matchers.allOf(Matchers.hasProperty(AwsTableTest.TABLE_NAME, Matchers.equalTo(name)), Matchers.hasProperty("item", Matchers.hasEntry(Matchers.equalTo(attr), Matchers.equalTo(value)))))));
}

Example 34 with Item

use of com.amazonaws.services.dynamodbv2.document.Item in project jcabi-dynamo by jcabi.

the class AwsTableTest method deletesItemFromDynamo.

/**
 * AwsTable can delete an item.
 * @throws Exception If some problem inside
 */
@Test
public void deletesItemFromDynamo() throws Exception {
    final Credentials credentials = Mockito.mock(Credentials.class);
    final AmazonDynamoDB aws = Mockito.mock(AmazonDynamoDB.class);
    Mockito.doReturn(aws).when(credentials).aws();
    Mockito.doReturn(new DeleteItemResult().withConsumedCapacity(new ConsumedCapacity().withCapacityUnits(1.0d))).when(aws).deleteItem(Mockito.any(DeleteItemRequest.class));
    Mockito.doReturn(new DescribeTableResult().withTable(new TableDescription().withKeySchema(new KeySchemaElement().withAttributeName(AwsTableTest.KEY)))).when(aws).describeTable(Mockito.any(DescribeTableRequest.class));
    final String attr = "attribute-2";
    final AttributeValue value = new AttributeValue("value-2");
    final String name = "table-name-2";
    final Table table = new AwsTable(credentials, Mockito.mock(Region.class), name);
    table.delete(new Attributes().with(attr, value));
    Mockito.verify(aws).deleteItem(DeleteItemRequest.class.cast(MockitoHamcrest.argThat(Matchers.allOf(Matchers.hasProperty(AwsTableTest.TABLE_NAME, Matchers.equalTo(name)), Matchers.hasProperty(AwsTableTest.KEY, Matchers.hasEntry(Matchers.equalTo(attr), Matchers.equalTo(value)))))));
}

Example 35 with Item

use of com.amazonaws.services.dynamodbv2.document.Item in project jcabi-dynamo by jcabi.

the class ScanValve method fetch.

// @checkstyle ParameterNumber (5 lines)
@Override
public Dosage fetch(final Credentials credentials, final String table, final Map<String, Condition> conditions, final Collection<String> keys) throws IOException {
    final AmazonDynamoDB aws = credentials.aws();
    try {
        final Collection<String> attrs = new HashSet<String>(Arrays.asList(this.attributes));
        attrs.addAll(keys);
        final ScanRequest request = new ScanRequest().withTableName(table).withAttributesToGet(attrs).withReturnConsumedCapacity(ReturnConsumedCapacity.TOTAL).withScanFilter(conditions).withLimit(this.limit);
        final long start = System.currentTimeMillis();
        final ScanResult result = aws.scan(request);
        Logger.info(this, // @checkstyle LineLength (1 line)
        "#items(): loaded %d item(s) from '%s' and stooped at %s, using %s, %s, in %[ms]s", result.getCount(), table, result.getLastEvaluatedKey(), conditions, new PrintableConsumedCapacity(result.getConsumedCapacity()).print(), System.currentTimeMillis() - start);
        return new ScanValve.NextDosage(credentials, request, result);
    } catch (final AmazonClientException ex) {
        throw new IOException(String.format("Failed to fetch from \"%s\" by %s and %s", table, conditions, keys), ex);
    } finally {
        aws.shutdown();
    }
}