com.amazonaws.services.dynamodbv2.model.LocalSecondaryIndexDescription Java Examples

The following examples show how to use com.amazonaws.services.dynamodbv2.model.LocalSecondaryIndexDescription. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: DynamoDbDelegate.java    From dynamodb-janusgraph-storage-backend with Apache License 2.0 4 votes vote down vote up 
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 {
            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");
    }
}
Example #2
Source File: TableHelper.java    From dynamodb-transactions with Apache License 2.0 4 votes vote down vote up 
public String verifyTableExists( 
    String tableName, 
    List<AttributeDefinition> definitions, 
    List<KeySchemaElement> keySchema,
    List<LocalSecondaryIndex> localIndexes) {
    
    DescribeTableResult describe = client.describeTable(new DescribeTableRequest().withTableName(tableName));
    if(! new HashSet<AttributeDefinition>(definitions).equals(new HashSet<AttributeDefinition>(describe.getTable().getAttributeDefinitions()))) {
        throw new ResourceInUseException("Table " + tableName + " had the wrong AttributesToGet." 
            + " Expected: " + definitions + " "
            + " Was: " + describe.getTable().getAttributeDefinitions());
    }
    
    if(! keySchema.equals(describe.getTable().getKeySchema())) {
        throw new ResourceInUseException("Table " + tableName + " had the wrong KeySchema." 
            + " Expected: " + keySchema + " "
            + " Was: " + describe.getTable().getKeySchema());
    }
    
    List<LocalSecondaryIndex> theirLSIs = null;
    if(describe.getTable().getLocalSecondaryIndexes() != null) {
        theirLSIs = new ArrayList<LocalSecondaryIndex>();
        for(LocalSecondaryIndexDescription description : describe.getTable().getLocalSecondaryIndexes()) {
            LocalSecondaryIndex lsi = new LocalSecondaryIndex()
                .withIndexName(description.getIndexName())
                .withKeySchema(description.getKeySchema())
                .withProjection(description.getProjection());
            theirLSIs.add(lsi);
        }
    }
    
    if(localIndexes != null) {
        if(! new HashSet<LocalSecondaryIndex>(localIndexes).equals(new HashSet<LocalSecondaryIndex>(theirLSIs))) {
            throw new ResourceInUseException("Table " + tableName + " did not have the expected LocalSecondaryIndexes."
                + " Expected: " + localIndexes
                + " Was: " + theirLSIs);
        }
    } else {
        if(theirLSIs != null) {
            throw new ResourceInUseException("Table " + tableName + " had local secondary indexes, but expected none."
                + " Indexes: " + theirLSIs);
        }
    }

    return describe.getTable().getTableStatus();
}