Examples with AttributeValue software.amazon.awssdk.services.dynamodb.model.AttributeValue used on opensource projects

Example 16 with AttributeValue

use of software.amazon.awssdk.services.dynamodb.model.AttributeValue in project aws-doc-sdk-examples by awsdocs.

the class DeleteItem method deleteDymamoDBItem.

// snippet-start:[dynamodb.java2.delete_item.main]
public static void deleteDymamoDBItem(DynamoDbClient ddb, String tableName, String key, String keyVal) {
    HashMap<String, AttributeValue> keyToGet = new HashMap<String, AttributeValue>();
    keyToGet.put(key, AttributeValue.builder().s(keyVal).build());
    DeleteItemRequest deleteReq = DeleteItemRequest.builder().tableName(tableName).key(keyToGet).build();
    try {
        ddb.deleteItem(deleteReq);
    } catch (DynamoDbException e) {
        System.err.println(e.getMessage());
        System.exit(1);
    }
}

Example 17 with AttributeValue

use of software.amazon.awssdk.services.dynamodb.model.AttributeValue in project aws-doc-sdk-examples by awsdocs.

the class GetItem method getDynamoDBItem.

// snippet-start:[dynamodb.java2.get_item.main]
public static void getDynamoDBItem(DynamoDbClient ddb, String tableName, String key, String keyVal) {
    HashMap<String, AttributeValue> keyToGet = new HashMap<String, AttributeValue>();
    keyToGet.put(key, AttributeValue.builder().s(keyVal).build());
    GetItemRequest request = GetItemRequest.builder().key(keyToGet).tableName(tableName).build();
    try {
        Map<String, AttributeValue> returnedItem = ddb.getItem(request).item();
        if (returnedItem != null) {
            Set<String> keys = returnedItem.keySet();
            System.out.println("Amazon DynamoDB table attributes: \n");
            for (String key1 : keys) {
                System.out.format("%s: %s\n", key1, returnedItem.get(key1).toString());
            }
        } else {
            System.out.format("No item found with the key %s!\n", key);
        }
    } catch (DynamoDbException e) {
        System.err.println(e.getMessage());
        System.exit(1);
    }
}

Example 18 with AttributeValue

use of software.amazon.awssdk.services.dynamodb.model.AttributeValue in project beam by apache.

the class DynamoDBIOIT method runRead.

/**
 * Read test dataset from DynamoDB.
 */
private void runRead() {
    int rows = env.options().getNumberOfRows();
    PCollection<Map<String, AttributeValue>> records = pipelineRead.apply("Read from DynamoDB", DynamoDBIO.read().withScanRequestFn(in -> buildScanRequest()).items()).apply("Flatten result", Flatten.iterables());
    PAssert.thatSingleton(records.apply("Count All", Count.globally())).isEqualTo((long) rows);
    PCollection<String> consolidatedHashcode = records.apply(MapElements.into(strings()).via(record -> record.get(COL_NAME).s())).apply("Hash records", Combine.globally(new HashingFn()).withoutDefaults());
    PAssert.that(consolidatedHashcode).containsInAnyOrder(getExpectedHashForRowCount(rows));
    pipelineRead.run().waitUntilFinish();
}

Example 19 with AttributeValue

use of software.amazon.awssdk.services.dynamodb.model.AttributeValue in project beam by apache.

the class AttributeValueCoderTest method shouldPassForOneListOfNumber.

@Test
public void shouldPassForOneListOfNumber() throws IOException {
    AttributeValue expected = AttributeValue.builder().ns(ImmutableList.of("123", "456")).build();
    AttributeValueCoder coder = AttributeValueCoder.of();
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    coder.encode(expected, output);
    ByteArrayInputStream in = new ByteArrayInputStream(output.toByteArray());
    AttributeValue actual = coder.decode(in);
    Assert.assertEquals(expected, actual);
}

Example 20 with AttributeValue

use of software.amazon.awssdk.services.dynamodb.model.AttributeValue in project beam by apache.

the class AttributeValueCoderTest method shouldPassForMapType.

@Test
public void shouldPassForMapType() throws IOException {
    Map<String, AttributeValue> attrMap = new HashMap<>();
    attrMap.put("innerMapAttr1", AttributeValue.builder().s("innerMapValue1").build());
    attrMap.put("innerMapAttr2", AttributeValue.builder().b(SdkBytes.fromByteArray("8976234".getBytes(StandardCharsets.UTF_8))).build());
    AttributeValue expected = AttributeValue.builder().m(attrMap).build();
    AttributeValueCoder coder = AttributeValueCoder.of();
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    coder.encode(expected, output);
    ByteArrayInputStream in = new ByteArrayInputStream(output.toByteArray());
    AttributeValue actual = coder.decode(in);
    Assert.assertEquals(expected, actual);
}