List of usage examples for com.amazonaws.services.dynamodbv2.model TableDescription getTableStatus
public String getTableStatus()
The current state of the table:
CREATING - The table is being created.
From source file:TableCreator.java
License:Open Source License
private static void waitForTableToBecomeAvailable(String tableName) { System.out.println("Waiting for " + tableName + " to become ACTIVE..."); long startTime = System.currentTimeMillis(); long endTime = startTime + (10 * 60 * 1000); while (System.currentTimeMillis() < endTime) { try {//from www .j a va 2 s . c o m Thread.sleep(1000 * 20); } catch (Exception e) { } try { DescribeTableRequest request = new DescribeTableRequest().withTableName(tableName); TableDescription tableDescription = dynamoDB.describeTable(request).getTable(); String tableStatus = tableDescription.getTableStatus(); System.out.println(" - current state: " + tableStatus); if (tableStatus.equals(TableStatus.ACTIVE.toString())) return; } catch (AmazonServiceException ase) { if (ase.getErrorCode().equalsIgnoreCase("ResourceNotFoundException") == false) throw ase; } } throw new RuntimeException("Table " + tableName + " never went active"); }
From source file:TableCreator.java
License:Open Source License
private static void waitForTableToDelete(String tableName) { System.out.println("Waiting for " + tableName + " to become ACTIVE..."); long startTime = System.currentTimeMillis(); long endTime = startTime + (10 * 60 * 1000); while (System.currentTimeMillis() < endTime) { try {/*from www. j a v a 2s . co m*/ Thread.sleep(1000 * 20); } catch (Exception e) { } try { DescribeTableRequest request = new DescribeTableRequest().withTableName(tableName); TableDescription tableDescription = dynamoDB.describeTable(request).getTable(); String tableStatus = tableDescription.getTableStatus(); System.out.println(" - current state: " + tableStatus); if (tableStatus.equals(TableStatus.ACTIVE.toString())) return; } catch (AmazonServiceException ase) { if (ase.getErrorCode().equalsIgnoreCase("ResourceNotFoundException") == false) throw ase; } } throw new RuntimeException("Table " + tableName + " never went active"); }
From source file:aws.example.dynamodb.DescribeTable.java
License:Open Source License
public static void main(String[] args) { final String USAGE = "\n" + "Usage:\n" + " DescribeTable <table>\n\n" + "Where:\n" + " table - the table to get information about.\n\n" + "Example:\n" + " DescribeTable HelloTable\n"; if (args.length < 1) { System.out.println(USAGE); System.exit(1);//w w w . ja v a 2 s .c o m } String table_name = args[0]; System.out.format("Getting description for %s\n\n", table_name); final AmazonDynamoDBClient ddb = new AmazonDynamoDBClient(); try { TableDescription table_info = ddb.describeTable(table_name).getTable(); if (table_info != null) { System.out.format("Table name : %s\n", table_info.getTableName()); System.out.format("Table ARN : %s\n", table_info.getTableArn()); System.out.format("Status : %s\n", table_info.getTableStatus()); System.out.format("Item count : %d\n", table_info.getItemCount().longValue()); System.out.format("Size (bytes): %d\n", table_info.getTableSizeBytes().longValue()); ProvisionedThroughputDescription throughput_info = table_info.getProvisionedThroughput(); System.out.println("Throughput"); System.out.format(" Read Capacity : %d\n", throughput_info.getReadCapacityUnits().longValue()); System.out.format(" Write Capacity: %d\n", throughput_info.getWriteCapacityUnits().longValue()); List<AttributeDefinition> attributes = table_info.getAttributeDefinitions(); System.out.println("Attributes"); for (AttributeDefinition a : attributes) { System.out.format(" %s (%s)\n", a.getAttributeName(), a.getAttributeType()); } } } catch (AmazonServiceException e) { System.err.println(e.getErrorMessage()); System.exit(1); } System.out.println("\nDone!"); }
From source file:awslabs.lab22.Lab22.java
License:Open Source License
/** * Validate the table matches the expected schema for the lab. Since it's built by hand, there's a decent chance * that it may not be what's expected.//from w w w . ja v a 2 s.com * * @param ddbClient The DynamoDB client object. * @param tableName The name of the table to validate. * * @return True if the schema of the table is correct. False if a problem is found. */ private static Boolean confirmTableSchema(AmazonDynamoDBClient ddbClient, String tableName) { System.out.println("Confirming table schema."); TableDescription tableDescription = optionalLabCode.getTableDescription(ddbClient, tableName); if (tableDescription == null) { System.out.println("Table does not exist."); // Can't match the schema if the table isn't there. return false; } if (!tableDescription.getTableStatus().equals("ACTIVE")) { System.out.println("Table is not active."); return false; } if (tableDescription.getAttributeDefinitions() == null || tableDescription.getKeySchema() == null) { System.out.println("Schema doesn't match."); return false; } for (AttributeDefinition attributeDefinition : tableDescription.getAttributeDefinitions()) { String attributeName = attributeDefinition.getAttributeName(); if (attributeName.equals("Company") || attributeName.equals("Email") || attributeName.equals("First") || attributeName.equals("Last")) { if (!attributeDefinition.getAttributeType().equals("S")) { // We have a matching attribute, but the type is wrong. System.out.println(attributeDefinition.getAttributeName() + " attribute is wrong type in attribute definition."); return false; } } else if (attributeName.equals("Age")) { if (!attributeDefinition.getAttributeType().equals("N")) { System.out.println("Age attribute is wrong type in attribute definition."); // We have a matching attribute, but the type is wrong. return false; } } } // If we've gotten here, the attributes are good. Now check the key // schema. if (tableDescription.getKeySchema().size() != 2) { System.out.println("Wrong number of elements in the key schema."); return false; } for (KeySchemaElement keySchemaElement : tableDescription.getKeySchema()) { String attributeName = keySchemaElement.getAttributeName(); if (attributeName.equals("Company")) { if (!keySchemaElement.getKeyType().equals("HASH")) { // We have a matching attribute, but the type is wrong. System.out.println("Company attribute is wrong type in key schema."); return false; } } else if (attributeName.equals("Email")) { if (!keySchemaElement.getKeyType().equals("RANGE")) { // We have a matching attribute, but the type is wrong. System.out.println("Email attribute is wrong type in key schema."); return false; } } else { System.out.println( "Unexpected attribute (" + keySchemaElement.getAttributeName() + ") in the key schema."); } } System.out.println("Table schema is as expected."); // We've passed our checks. return true; }
From source file:awslabs.lab22.SolutionCode.java
License:Open Source License
@Override public String getTableStatus(AmazonDynamoDBClient ddbClient, String tableName) { TableDescription tableDescription = getTableDescription(ddbClient, tableName); if (tableDescription == null) { return "NOTFOUND"; }// w ww . j av a 2 s . c o m return tableDescription.getTableStatus(); }
From source file:awslabs.lab51.SolutionCode.java
License:Open Source License
@Override public Boolean validateSchema(TableDescription tableDescription) { if (tableDescription == null) { labController.logMessageToPage("Null table description passed to validation method."); return false; }// w w w.j av a 2 s. co m if (!tableDescription.getTableStatus().equals("ACTIVE")) { labController.logMessageToPage("Table is not active."); return false; } if (tableDescription.getAttributeDefinitions() == null || tableDescription.getKeySchema() == null) { labController.logMessageToPage("Schema doesn't match."); return false; } for (AttributeDefinition attributeDefinition : tableDescription.getAttributeDefinitions()) { String attributeName = attributeDefinition.getAttributeName(); if (attributeName.equals("Key") || attributeName.equals("Bucket")) { if (!attributeDefinition.getAttributeType().equals("S")) { // We have a matching attribute, but the type is wrong. labController.logMessageToPage(attributeDefinition.getAttributeName() + " attribute is wrong type in attribute definition."); return false; } } } // If we've gotten here, the attributes are good. Now check the key schema. if (tableDescription.getKeySchema().size() != 2) { labController.logMessageToPage("Wrong number of elements in the key schema."); return false; } for (KeySchemaElement keySchemaElement : tableDescription.getKeySchema()) { String attributeName = keySchemaElement.getAttributeName(); if (attributeName.equals("Key")) { if (!keySchemaElement.getKeyType().equals("HASH")) { // We have a matching attribute, but the type is wrong. labController.logMessageToPage("Key attribute is wrong type in key schema."); return false; } } else if (attributeName.equals("Bucket")) { if (!keySchemaElement.getKeyType().equals("RANGE")) { // We have a matching attribute, but the type is wrong. labController.logMessageToPage("Bucket attribute is wrong type in key schema."); return false; } } else { labController.logMessageToPage( "Unexpected attribute (" + keySchemaElement.getAttributeName() + ") in the key schema."); } } labController.logMessageToPage("Table schema is valid."); // We've passed our checks. return true; }
From source file:com.amazon.janusgraph.diskstorage.dynamodb.DynamoDbDelegate.java
License:Open Source License
public void waitForTableCreation(final String tableName, final boolean verifyIndexesList, final List<LocalSecondaryIndexDescription> expectedLsiList, final List<GlobalSecondaryIndexDescription> expectedGsiList) throws BackendException { boolean successFlag = false; int retryCount = 0; while (!successFlag && retryCount < maxRetries) { try {/*from ww w. j av a 2 s . c o m*/ boolean areAllGsisActive = true; final TableDescription td = describeTable(tableName); if (verifyIndexesList) { final Set<LocalSecondaryIndexDescription> expectedLSIs = new HashSet<LocalSecondaryIndexDescription>(); if (expectedLsiList != null) { expectedLSIs.addAll(expectedLsiList); } final Set<LocalSecondaryIndexDescription> actualLSIs = new HashSet<LocalSecondaryIndexDescription>(); if (td.getLocalSecondaryIndexes() != null) { actualLSIs.addAll(td.getLocalSecondaryIndexes()); } // the lsi list should be there even if the table is in creating state if (!(expectedLsiList == null && td.getLocalSecondaryIndexes() == null || expectedLSIs.equals(actualLSIs))) { throw new PermanentBackendException( "LSI list is not as expected during table creation. expectedLsiList=" + expectedLsiList.toString() + "; table description=" + td.toString()); } // ignore the status of all GSIs since they will mess up .equals() if (td.getGlobalSecondaryIndexes() != null) { for (final GlobalSecondaryIndexDescription gDesc : td.getGlobalSecondaryIndexes()) { if (!isTableAcceptingWrites(gDesc.getIndexStatus())) { areAllGsisActive = false; break; } } } // the gsi list should be there even if the table is in creating state if (!areGsisSameConfiguration(expectedGsiList, td.getGlobalSecondaryIndexes())) { throw new PermanentBackendException( "GSI list is not as expected during table creation. expectedGsiList=" + expectedGsiList.toString() + "; table description=" + td.toString()); } } successFlag = isTableAcceptingWrites(td.getTableStatus()) && areAllGsisActive; } catch (BackendNotFoundException ignore) { successFlag = false; } if (!successFlag) { interruptibleSleep(CONTROL_PLANE_RETRY_DELAY_MS); } retryCount++; } if (!successFlag) { throw new PermanentBackendException( "Table creation not completed for table " + tableName + " after retrying " + this.maxRetries + " times for a duration of " + CONTROL_PLANE_RETRY_DELAY_MS * this.maxRetries + " ms"); } }
From source file:com.amazon.janusgraph.diskstorage.dynamodb.DynamoDbDelegate.java
License:Open Source License
void createTableAndWaitForActive(final CreateTableRequest request) throws BackendException { final String tableName = request.getTableName(); Preconditions.checkArgument(!Strings.isNullOrEmpty(tableName), "Table name was null or empty"); final TableDescription desc; try {//from ww w . jav a 2 s.c o m desc = this.describeTable(tableName); if (null != desc && isTableAcceptingWrites(desc.getTableStatus())) { return; //store existed } } catch (BackendNotFoundException e) { log.debug(tableName + " did not exist yet, creating it", e); } createTable(request); waitForTableCreation(tableName, false /*verifyIndexesList*/, null /*expectedLsiList*/, null /*expectedGsiList*/); }
From source file:com.clicktravel.infrastructure.persistence.aws.dynamodb.manager.DynamoDbTemplateInfrastructureManager.java
License:Apache License
private boolean isTableCreated(final String tableName) { try {/*from w w w . j a v a2 s. co m*/ 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.erudika.para.persistence.AWSDynamoUtils.java
License:Apache License
/** * Gives basic information about a DynamoDB table (status, creation date, size). * @param appid name of the {@link com.erudika.para.core.App} * @return a map/*w w w . j a v a2s. c o m*/ */ public static Map<String, Object> getTableStatus(final String appid) { if (StringUtils.isBlank(appid)) { return Collections.emptyMap(); } try { final TableDescription td = getClient().describeTable(getTableNameForAppid(appid)).getTable(); return new HashMap<String, Object>() { { put("id", appid); put("status", td.getTableStatus()); put("created", td.getCreationDateTime().getTime()); put("sizeBytes", td.getTableSizeBytes()); put("itemCount", td.getItemCount()); put("readCapacityUnits", td.getProvisionedThroughput().getReadCapacityUnits()); put("writeCapacityUnits", td.getProvisionedThroughput().getWriteCapacityUnits()); } }; } catch (Exception e) { logger.error(null, e); } return Collections.emptyMap(); }