Package com.amazonaws.services.dynamodbv2.model

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

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        throw new AmazonClientException("Interval must be > 0 and < timeout");
        long startTime = System.currentTimeMillis();
        long endTime = startTime + timeout;
        while (System.currentTimeMillis() < endTime) {
            try {
                TableDescription table = dynamo.describeTable(new DescribeTableRequest(tableName)).getTable();
                if (table != null && table.getTableStatus().equals(TableStatus.ACTIVE.toString()))
                    return;
            } catch (ResourceNotFoundException rnfe) {
                // ResourceNotFound means the table doesn't exist yet,
                // so ignore this error and just keep polling.
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import static com.fasterxml.jackson.core.JsonToken.*;

public class DescribeTableRequestJsonUnmarshaller implements Unmarshaller<DescribeTableRequest, JsonUnmarshallerContext> {

    public DescribeTableRequest unmarshall(JsonUnmarshallerContext context) throws Exception {
        DescribeTableRequest request = new DescribeTableRequest();

        int originalDepth = context.getCurrentDepth();
        int targetDepth = originalDepth + 1;

        JsonToken token = context.currentToken;
        if (token == null) token = context.nextToken();

        while (true) {
            if (token == null) break;

            if (token == FIELD_NAME || token == START_OBJECT) {
                if (token == JsonToken.FIELD_NAME || token == JsonToken.START_OBJECT) {
                    if (context.testExpression("TableName", targetDepth)) {
                        context.nextToken();
                        request.setTableName(SimpleTypeJsonUnmarshallers.StringJsonUnmarshaller.getInstance().unmarshall(context));
                    }
                }
            } else if (token == END_ARRAY || token == END_OBJECT) {
                if (context.getCurrentDepth() <= originalDepth) break;
            }
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  @Test
  public void describeTable() {
    String name = createTableName();
    createTable(name);
    DescribeTableResult res = getClient().describeTable(new DescribeTableRequest().withTableName(name));
    Assert.assertNotNull(res.getTable());
    Assert.assertEquals(res.getTable().getTableName(), name);
  }
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  @Test
  public void describeTableWithoutTableName() {
    createTable();
    boolean wasError = false;
    try {
      DescribeTableResult res = getClient().describeTable(new DescribeTableRequest());
      wasError = res.getTable() == null;
    } catch (Exception e) {
      wasError = true;
    }
    Assert.assertTrue(wasError);
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     * @return True if a table already exists with the specified name, otherwise
     *         false.
     */
    public static boolean doesTableExist(AmazonDynamoDB dynamo, String tableName) {
        try {
            TableDescription table = dynamo.describeTable(new DescribeTableRequest(tableName)).getTable();
            return TableStatus.ACTIVE.toString().equals(table.getTableStatus());
        } catch (ResourceNotFoundException rnfe) {
            // This means the table doesn't exist in the account yet
            return false;
        }
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    public static void waitForTableToBecomeActive(AmazonDynamoDB dynamo, String tableName) {
        long startTime = System.currentTimeMillis();
        long endTime = startTime + (10 * 60 * 1000);
        while (System.currentTimeMillis() < endTime) {
            try {
                TableDescription table = dynamo.describeTable(new DescribeTableRequest(tableName)).getTable();
                if (table != null && table.getTableStatus().equals(TableStatus.ACTIVE.toString()))
                    return;
            } catch (ResourceNotFoundException rnfe) {
                // ResourceNotFound means the table doesn't exist yet,
                // so ignore this error and just keep polling.
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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);
        db.putItem(applyUserAgent(new PutItemRequest().withTableName(tableName).withItem(attributes)
                .withExpected(expectedValues)));
    }
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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 ) {
                // 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 ) {
                // 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);
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Related Classes of com.amazonaws.services.dynamodbv2.model.DescribeTableRequest

  • AmazonDynamoDBSample
  • com.amazonaws.auth.DefaultAWSCredentialsProviderChain
  • com.amazonaws.ClientConfiguration
  • com.amazonaws.handlers.HandlerChainFactory
  • com.amazonaws.http.ExecutionContext
  • com.amazonaws.http.JsonErrorResponseHandler
  • com.amazonaws.internal.StaticCredentialsProvider
  • com.amazonaws.metrics.internal.cloudwatch.provider.transform.DynamoDBRequestMetricTransformer
  • com.amazonaws.services.dynamodb.sessionmanager.util.DynamoUtils
  • com.amazonaws.services.dynamodbv2.datamodeling.ArgumentMarshaller.StringAttributeMarshaller
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