Example usage for com.amazonaws.services.dynamodbv2.model DescribeTableResult getTable

List of usage examples for com.amazonaws.services.dynamodbv2.model DescribeTableResult getTable

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Introduction

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

Prototype


public TableDescription getTable()

Source Link

Document

The properties of the table.

Usage

From source file:DynamoDBUtils.java

License:Open Source License

/**
 * Helper method to get the status of an Amazon DynamoDB table
 *
 * @param client//from  w w w .j a  va2s. c o  m
 *        The {@link AmazonDynamoDBClient} with Amazon DynamoDB read privileges
 * @param tableName
 *        The Amazon DynamoDB table to get the status of
 * @return
 */
private static TableStatus getTableStatus(AmazonDynamoDBClient client, String tableName) {
    DescribeTableRequest describeTableRequest = new DescribeTableRequest();
    describeTableRequest.setTableName(tableName);
    DescribeTableResult describeTableResult = client.describeTable(describeTableRequest);
    String status = describeTableResult.getTable().getTableStatus();
    return TableStatus.fromValue(status);
}

From source file:DynamoDBUtils.java

License:Open Source License

/**
 * Verifies if the table has the expected schema.
 *
 * @param client/*from  ww w .  j a v a 2s  . co  m*/
 *        The {@link AmazonDynamoDBClient} with Amazon DynamoDB read privileges
 * @param tableName
 *        The Amazon DynamoDB table to check
 * @param key
 *        The expected hashkey for the Amazon DynamoDB table
 * @return true if the Amazon DynamoDB table exists and the expected hashkey matches the table schema,
 *         otherwise return false
 */
private static boolean tableHasCorrectSchema(AmazonDynamoDBClient client, String tableName, String key) {
    DescribeTableRequest describeTableRequest = new DescribeTableRequest();
    describeTableRequest.setTableName(tableName);
    DescribeTableResult describeTableResult = client.describeTable(describeTableRequest);
    TableDescription tableDescription = describeTableResult.getTable();
    if (tableDescription.getAttributeDefinitions().size() != 1) {
        LOG.error("The number of attribute definitions does not match the existing table.");
        return false;
    }
    AttributeDefinition attributeDefinition = tableDescription.getAttributeDefinitions().get(0);
    if (!attributeDefinition.getAttributeName().equals(key)
            || !attributeDefinition.getAttributeType().equals(ScalarAttributeType.S.toString())) {
        LOG.error("Attribute name or type does not match existing table.");
        return false;
    }
    List<KeySchemaElement> KSEs = tableDescription.getKeySchema();
    if (KSEs.size() != 1) {
        LOG.error("The number of key schema elements does not match the existing table.");
        return false;
    }
    KeySchemaElement kse = KSEs.get(0);
    if (!kse.getAttributeName().equals(key) || !kse.getKeyType().equals(KeyType.HASH.toString())) {
        LOG.error("The hash key does not match the existing table.");
        return false;
    }
    return true;

}

From source file:awslabs.lab22.SolutionCode.java

License:Open Source License

@Override
public TableDescription getTableDescription(AmazonDynamoDBClient ddbClient, String tableName) {
    try {//from   w w  w  .  ja  va2  s.  c om
        DescribeTableRequest describeTableRequest = new DescribeTableRequest().withTableName(tableName);

        DescribeTableResult describeTableResult = ddbClient.describeTable(describeTableRequest);

        return describeTableResult.getTable();
    } catch (AmazonServiceException ase) {
        // If the table isn't found, there's no problem.
        // If the error is something else, re-throw the exception to bubble it up to the caller.
        if (!ase.getErrorCode().equals("ResourceNotFoundException")) {
            throw ase;
        }
        return null;
    }
}

From source file:com.acer.batterycapacitydemo.DynamoDBManager.java

License:Open Source License

public static String getTestTableStatus() {

    try {//from www.j av a  2  s.com
        AmazonDynamoDBClient ddb = MainActivity.clientManager.ddb();

        DescribeTableRequest request = new DescribeTableRequest()
                .withTableName(CognitoSyncClientManager.TEST_TABLE_NAME);
        DescribeTableResult result = ddb.describeTable(request);

        String status = result.getTable().getTableStatus();
        return status == null ? "" : status;

    } catch (ResourceNotFoundException e) {
    } catch (AmazonServiceException ex) {
        MainActivity.clientManager.wipeCredentialsOnAuthError(ex);
    }

    return "";
}

From source file:com.amazon.services.awsrum.utils.DynamoDBUtils.java

License:Open Source License

private static boolean tableHasCorrectSchema(AmazonDynamoDBClient client, String tableName, String key,
        String rangeKey) {//from   www  .  j ava 2  s .  c  o m
    DescribeTableRequest describeTableRequest = new DescribeTableRequest();
    describeTableRequest.setTableName(tableName);
    DescribeTableResult describeTableResult = client.describeTable(describeTableRequest);
    TableDescription tableDescription = describeTableResult.getTable();
    if (tableDescription.getAttributeDefinitions().size() != 2) {
        LOG.error("The number of attribute definitions does not match the existing table.");
        return false;
    }
    AttributeDefinition attributeDefinition = tableDescription.getAttributeDefinitions().get(0);
    if (!attributeDefinition.getAttributeName().equals(key)
            || !attributeDefinition.getAttributeType().equals(ScalarAttributeType.S.toString())) {
        if (!attributeDefinition.getAttributeName().equals(rangeKey)
                || !attributeDefinition.getAttributeType().equals(ScalarAttributeType.N.toString())) {
            LOG.error("Attribute name or type does not match existing table.");
            return false;
        }
    }
    if (!attributeDefinition.getAttributeName().equals(rangeKey)
            || !attributeDefinition.getAttributeType().equals(ScalarAttributeType.N.toString())) {
        if (!attributeDefinition.getAttributeName().equals(key)
                || !attributeDefinition.getAttributeType().equals(ScalarAttributeType.S.toString())) {
            LOG.error("Attribute name or type does not match existing table.");
            return false;
        }
    }

    List<KeySchemaElement> KSEs = tableDescription.getKeySchema();
    if (KSEs.size() != 2) {
        LOG.error("The number of key schema elements does not match the existing table.");
        return false;
    }
    KeySchemaElement kse = KSEs.get(0);
    if (!kse.getAttributeName().equals(key) || !kse.getKeyType().equals(KeyType.HASH.toString())) {
        LOG.error("The hash key does not match the existing table.");
        return false;
    }
    KeySchemaElement seconndKse = KSEs.get(1);
    if (!seconndKse.getAttributeName().equals(rangeKey)
            || !seconndKse.getKeyType().equals(KeyType.RANGE.toString())) {
        LOG.error("The hash range key does not match the existing table.");
        return false;
    }
    return true;

}

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

License:Apache License

private boolean isTableCreated(final String fullStubItemTableName,
        final DescribeTableResult describeTableResult) {
    return fullStubItemTableName.equals(describeTableResult.getTable().getTableName())
            && "ACTIVE".equals(describeTableResult.getTable().getTableStatus());
}

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

License:Apache License

private boolean isTableCreated(final String tableName) {
    try {/*from ww w. java 2s.  c om*/
        final DescribeTableResult result = amazonDynamoDbClient
                .describeTable(new DescribeTableRequest(tableName));
        final TableDescription tableDescription = result.getTable();
        final String tableStatus = tableDescription.getTableStatus();
        final String returnedTableName = tableDescription.getTableName();
        return tableName.equals(returnedTableName) && TableStatus.ACTIVE.toString().equals(tableStatus);
    } catch (final ResourceNotFoundException e) {
        return false;
    }
}

From source file:com.example.kwang27.secmap.DynamoDBManager.java

License:Open Source License

public static String getTestTableStatus() {

    try {//w w w.  j  a v a2s  . c  o m
        AmazonDynamoDBClient ddb = MainActivity.clientManager.ddb();

        DescribeTableRequest request = new DescribeTableRequest().withTableName(Constants.TEST_TABLE_NAME);
        DescribeTableResult result = ddb.describeTable(request);

        String status = result.getTable().getTableStatus();
        return status == null ? "" : status;

    } catch (ResourceNotFoundException e) {
    } catch (AmazonServiceException ex) {
        MainActivity.clientManager.wipeCredentialsOnAuthError(ex);
    }

    return "";
}

From source file:com.github.sdmcraft.slingdynamo.impl.DynamoDBResourceProvider.java

License:Open Source License

/**
 * Returns a resource from this resource provider or null if the resource provider cannot find it.
 * The table-name, id and child-ids are parsed out from the path and queried against dynamodb to fetch the specified resource.
 *
 * @param resolver the ResourceResolver to which the returned Resource is attached.
 * @param req the HttpServletRequest made to get this resource
 * @param path the path of the resource. The path is of the format &lt;table-name&gt;/&lt;id&gt;/[&lt;child-id1&gt;/.../&lt;child-idn&gt;]
 * @return the resource at the specified path if it exists else returns null
 *///www. j  a v a  2s.co  m
public Resource getResource(ResourceResolver resolver, HttpServletRequest req, String path) {
    Resource resource = null;

    try {
        Map<String, Object> resourceProps = new HashMap<String, Object>();
        ResourceMetadata resourceMetadata = new ResourceMetadata();
        resourceMetadata.setResolutionPath(path);

        if (!path.contains(".")) {
            if (path.length() > root.length()) {
                String subPath = path.substring(root.length() + 1);
                String[] subPathSplits = subPath.split("/");
                String table = subPathSplits[0];
                resourceMetadata.put("table", table);

                Table dbtable = dynamoDB.getTable(table);

                if (subPathSplits.length == 1) {
                    DescribeTableRequest describeTableRequest = new DescribeTableRequest(table);
                    DescribeTableResult describeTableResult = null;

                    describeTableResult = dynamoDBClient.describeTable(describeTableRequest);

                    Date creationDate = describeTableResult.getTable().getCreationDateTime();
                    long itemCount = describeTableResult.getTable().getItemCount();

                    resourceProps.put("creation-date", creationDate);
                    resourceProps.put("record-count", itemCount);
                    resourceProps.put("table-name", table);
                } else if (subPathSplits.length == 2) {
                    int id = Integer.parseInt(subPathSplits[1]);
                    ScanFilter idFilter = new ScanFilter("id").eq(id);
                    ItemCollection<ScanOutcome> items = dbtable.scan(idFilter);
                    Iterator<Item> itemItr = items.iterator();

                    Item item = itemItr.next();
                    resourceProps = itemToMap(item);
                } else if (subPathSplits.length > 2) {
                    int parent = Integer.parseInt(subPathSplits[1]);
                    Item item = null;

                    for (int i = 2; i < subPathSplits.length; i++) {
                        int child = Integer.parseInt(subPathSplits[i]);
                        ScanFilter parentFilter = new ScanFilter("parent").eq(parent);
                        ScanFilter childFilter = new ScanFilter("child_id").eq(child);
                        ItemCollection<ScanOutcome> items = dbtable.scan(parentFilter, childFilter);
                        Iterator<Item> itemItr = items.iterator();
                        item = itemItr.next();
                        parent = item.getInt("id");
                    }

                    resourceProps = itemToMap(item);
                }
            }

            resourceProps.put("hello", "world");

            ModifiableValueMapDecorator valueMap = new ModifiableValueMapDecorator(resourceProps);

            resource = new DynamoDBResource(resolver, resourceMetadata, valueMap, resourceType);
        }
    } catch (Throwable ex) {
        LOGGER.error(ex.getMessage(), ex);
        throw new RuntimeException(ex);
    }

    return resource;
}

From source file:com.haskins.cloudtrailviewer.dialog.resourcedetail.detailpanels.DbTableDetail.java

License:Open Source License

private void buildUI(DescribeTableResult detail) {

    this.add(primaryScrollPane, BorderLayout.CENTER);

    if (detail.getTable() != null) {

        TableDescription table = detail.getTable();

        if (table.getCreationDateTime() != null) {
            primaryTableModel.addRow(new Object[] { "Created", getDateString(table.getCreationDateTime()) });
        }//w w  w.j a  v  a  2 s  . c om
        if (table.getItemCount() != null) {
            primaryTableModel.addRow(new Object[] { "Item Count", table.getItemCount() });
        }
        if (table.getLatestStreamArn() != null) {
            primaryTableModel.addRow(new Object[] { "Latest Stream Arn", table.getLatestStreamArn() });
        }
        if (table.getLatestStreamLabel() != null) {
            primaryTableModel.addRow(new Object[] { "Latest Stream Label", table.getLatestStreamLabel() });
        }
        if (table.getTableArn() != null) {
            primaryTableModel.addRow(new Object[] { "Arn", table.getTableArn() });
        }
        if (table.getTableName() != null) {
            primaryTableModel.addRow(new Object[] { "Name", table.getTableName() });
        }
        if (table.getTableSizeBytes() != null) {
            primaryTableModel.addRow(new Object[] { "Size (bytes)", table.getTableSizeBytes() });
        }
        if (table.getTableStatus() != null) {
            primaryTableModel.addRow(new Object[] { "Status", table.getTableStatus() });
        }
    }
}