org.teiid.translator.simpledb

Class SimpleDBExecutionFactory

java.lang.Object

org.teiid.translator.ExecutionFactory<ConnectionFactory,SimpleDBConnection>

org.teiid.translator.simpledb.SimpleDBExecutionFactory

@Translator(name="simpledb",
            description="Translator for Amazon SimpleDB")
public class SimpleDBExecutionFactory
extends ExecutionFactory<ConnectionFactory,SimpleDBConnection>

Nested Class Summary

Nested classes/interfaces inherited from class org.teiid.translator.ExecutionFactory

ExecutionFactory.Format, ExecutionFactory.NullOrder, ExecutionFactory.SupportedJoinCriteria, ExecutionFactory.TransactionSupport

Field Summary

Fields

Modifier and Type	Field and Description
static String	ASTRING
static String	EVERY
static String	INTERSECTION
static String	SIMPLEDB

Fields inherited from class org.teiid.translator.ExecutionFactory

DEFAULT_MAX_FROM_GROUPS, DEFAULT_MAX_IN_CRITERIA_SIZE, DEFAULT_MAX_PROJECTED_COLUMNS

Constructor Summary

Constructors

Constructor and Description
SimpleDBExecutionFactory()

Method Summary

Modifier and Type	Method and Description
ProcedureExecution	createDirectExecution(List<Argument> arguments, Command command, ExecutionContext executionContext, RuntimeMetadata metadata, SimpleDBConnection connection)
ResultSetExecution	createResultSetExecution(QueryExpression command, ExecutionContext executionContext, RuntimeMetadata metadata, SimpleDBConnection connection)
UpdateExecution	createUpdateExecution(Command command, ExecutionContext executionContext, RuntimeMetadata metadata, SimpleDBConnection connection)
MetadataProcessor<SimpleDBConnection>	getMetadataProcessor() Get a MetadataProcessor for the translator to read the metadata.
boolean	returnsSingleUpdateCount() True if the only a single value is returned for the update count.
void	start() Initialize the connector with supplied configuration
boolean	supportsAggregatesCountStar() Support indicates connector can accept the COUNT(*) aggregate function
boolean	supportsArrayType() The engine uses array types for dependent joins and for array expression.
boolean	supportsBulkUpdate() Whether the source supports updates with multiple value sets
boolean	supportsCompareCriteriaEquals() Support indicates connector accepts criteria of form (element = constant)
boolean	supportsCompareCriteriaOrdered() Support indicates connector accepts criteria of form (element <=|>= constant) The query engine will may pushdown queries containing < or > if NOT is also supported.
boolean	supportsInCriteria() Support indicates connector accepts criteria of form (element IN set)
boolean	supportsIsNullCriteria() Support indicates connector accepts criteria of form (element IS NULL)
boolean	supportsLikeCriteria() Support indicates connector accepts criteria of form (element LIKE constant)
boolean	supportsLikeCriteriaEscapeCharacter() Support indicates connector accepts criteria of form (element LIKE constant ESCAPE char)
boolean	supportsNotCriteria() Support indicates connector accepts logical criteria NOT
boolean	supportsOnlyLiteralComparison()
boolean	supportsOrCriteria() Support indicates connector accepts logical criteria connected by OR
boolean	supportsRowLimit() Gets whether the connector can limit the number of rows returned by a query.

Methods inherited from class org.teiid.translator.ExecutionFactory

addPushDownFunction, areLobsUsableAfterClose, closeConnection, createExecution, createProcedureExecution, getCacheDirective, getCollationLocale, getConnection, getConnection, getDefaultNullOrder, getDirectQueryProcedureName, getExcludedCommonTableExpressionName, getInstance, getLanguageFactory, getMaxDependentInPredicates, getMaxFromGroups, getMaxInCriteriaSize, getMaxProjectedColumns, getMetadata, getNativeQueryProcedureName, getPushDownFunctions, getRequiredLikeEscape, getSupportedFunctions, getSupportedJoinCriteria, getTransactionSupport, getTypeFacility, initCapabilities, isCopyLobs, isForkable, isImmutable, isSourceRequired, isSourceRequiredForCapabilities, isSourceRequiredForMetadata, isThreadBound, requiresCriteria, setCollationLocale, setCopyLobs, setDirectQueryProcedureName, setExcludedCommonTableExpressionName, setImmutable, setMaxDependentInPredicates, setMaxInCriteriaSize, setNativeQueryProcedureName, setRequiresCriteria, setSourceRequired, setSourceRequiredForMetadata, setSupportedJoinCriteria, setSupportsDirectQueryProcedure, setSupportsFullOuterJoins, setSupportsInnerJoins, setSupportsNativeQueries, setSupportsOrderBy, setSupportsOuterJoins, setSupportsSelectDistinct, setThreadBound, setTransactionSupport, supportsAdvancedOlapOperations, supportsAggregatesAvg, supportsAggregatesCount, supportsAggregatesCountBig, supportsAggregatesDistinct, supportsAggregatesEnhancedNumeric, supportsAggregatesMax, supportsAggregatesMin, supportsAggregatesSum, supportsAliasedTable, supportsArrayAgg, supportsBatchedUpdates, supportsCommonTableExpressions, supportsCompareCriteriaOrderedExclusive, supportsConvert, supportsCorrelatedSubqueries, supportsCorrelatedSubqueryLimit, supportsDependentJoins, supportsDirectQueryProcedure, supportsElementaryOlapOperations, supportsExcept, supportsExistsCriteria, supportsFormatLiteral, supportsFullDependentJoins, supportsFullOuterJoins, supportsFunctionsInGroupBy, supportsGeographyType, supportsGroupBy, supportsGroupByMultipleDistinctAggregates, supportsGroupByRollup, supportsHaving, supportsInCriteriaSubquery, supportsInlineViews, supportsInnerJoins, supportsInsertWithQueryExpression, supportsIntersect, supportsIsDistinctCriteria, supportsLateralJoin, supportsLateralJoinCondition, supportsLikeRegex, supportsListAgg, supportsMultipleOpenExecutions, supportsNativeQueries, supportsOnlyCorrelatedSubqueries, supportsOnlyFormatLiterals, supportsOnlyLateralJoinProcedure, supportsOnlySingleTableGroupBy, supportsOnlyTimestampAddLiteral, supportsOrderBy, supportsOrderByNullOrdering, supportsOrderByUnrelated, supportsOrderByWithExtendedGrouping, supportsOuterJoins, supportsPartialFiltering, supportsProcedureTable, supportsQuantifiedCompareCriteriaAll, supportsQuantifiedCompareCriteriaSome, supportsRecursiveCommonTableExpressions, supportsRowOffset, supportsScalarSubqueries, supportsScalarSubqueryProjection, supportsSearchedCaseExpressions, supportsSelectDistinct, supportsSelectExpression, supportsSelectExpressionArrayType, supportsSelectWithoutFrom, supportsSelfJoins, supportsSetQueryLimitOffset, supportsSetQueryOrderBy, supportsSimilarTo, supportsStringAgg, supportsSubqueryCommonTableExpressions, supportsSubqueryInOn, supportsUnions, supportsUpsert, supportsWindowDistinctAggregates, supportsWindowFrameClause, supportsWindowFunctionCumeDist, supportsWindowFunctionNthValue, supportsWindowFunctionNtile, supportsWindowFunctionPercentRank, supportsWindowOrderByWithAggregates, useAnsiJoin, useBindingsForDependentJoin

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INTERSECTION

public static final String INTERSECTION

See Also:

Constant Field Values

ASTRING

public static final String ASTRING

See Also:

Constant Field Values

EVERY

public static final String EVERY

See Also:

Constant Field Values

SIMPLEDB

public static final String SIMPLEDB

See Also:

Constant Field Values

Constructor Detail

SimpleDBExecutionFactory

public SimpleDBExecutionFactory()

Method Detail

start

public void start()
           throws TranslatorException

Description copied from class: ExecutionFactory

Initialize the connector with supplied configuration

Overrides:

start in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

Throws:

TranslatorException

createUpdateExecution

public UpdateExecution createUpdateExecution(Command command,
                                             ExecutionContext executionContext,
                                             RuntimeMetadata metadata,
                                             SimpleDBConnection connection)
                                      throws TranslatorException

Overrides:

createUpdateExecution in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

Throws:

TranslatorException

createDirectExecution

public ProcedureExecution createDirectExecution(List<Argument> arguments,
                                                Command command,
                                                ExecutionContext executionContext,
                                                RuntimeMetadata metadata,
                                                SimpleDBConnection connection)
                                         throws TranslatorException

Overrides:

createDirectExecution in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

Throws:

TranslatorException

createResultSetExecution

public ResultSetExecution createResultSetExecution(QueryExpression command,
                                                   ExecutionContext executionContext,
                                                   RuntimeMetadata metadata,
                                                   SimpleDBConnection connection)
                                            throws TranslatorException

Overrides:

createResultSetExecution in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

Throws:

TranslatorException

getMetadataProcessor

public MetadataProcessor<SimpleDBConnection> getMetadataProcessor()

Description copied from class: ExecutionFactory

Get a MetadataProcessor for the translator to read the metadata. Typically this will return a new instance.

Overrides:

getMetadataProcessor in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

Returns:

supportsCompareCriteriaEquals

public boolean supportsCompareCriteriaEquals()

Description copied from class: ExecutionFactory

Support indicates connector accepts criteria of form (element = constant)

Overrides:

supportsCompareCriteriaEquals in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

supportsCompareCriteriaOrdered

public boolean supportsCompareCriteriaOrdered()

Description copied from class: ExecutionFactory

Support indicates connector accepts criteria of form (element <=|>= constant)
The query engine will may pushdown queries containing < or > if NOT is also supported.

Overrides:

supportsCompareCriteriaOrdered in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

supportsInCriteria

public boolean supportsInCriteria()

Description copied from class: ExecutionFactory

Support indicates connector accepts criteria of form (element IN set)

Overrides:

supportsInCriteria in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

supportsIsNullCriteria

public boolean supportsIsNullCriteria()

Description copied from class: ExecutionFactory

Support indicates connector accepts criteria of form (element IS NULL)

Overrides:

supportsIsNullCriteria in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

supportsOnlyLiteralComparison

public boolean supportsOnlyLiteralComparison()

Overrides:

supportsOnlyLiteralComparison in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

Returns:

true if only Literal comparisons (equality, ordered, like, etc.) are supported for non-join conditions.

supportsRowLimit

public boolean supportsRowLimit()

Description copied from class: ExecutionFactory

Gets whether the connector can limit the number of rows returned by a query.

Overrides:

supportsRowLimit in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

supportsNotCriteria

public boolean supportsNotCriteria()

Description copied from class: ExecutionFactory

Support indicates connector accepts logical criteria NOT

Overrides:

supportsNotCriteria in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

supportsOrCriteria

public boolean supportsOrCriteria()

Description copied from class: ExecutionFactory

Support indicates connector accepts logical criteria connected by OR

Overrides:

supportsOrCriteria in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

supportsLikeCriteria

public boolean supportsLikeCriteria()

Description copied from class: ExecutionFactory

Support indicates connector accepts criteria of form (element LIKE constant)

Overrides:

supportsLikeCriteria in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

supportsLikeCriteriaEscapeCharacter

public boolean supportsLikeCriteriaEscapeCharacter()

Description copied from class: ExecutionFactory

Support indicates connector accepts criteria of form (element LIKE constant ESCAPE char)

Overrides:

supportsLikeCriteriaEscapeCharacter in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

supportsAggregatesCountStar

public boolean supportsAggregatesCountStar()

Description copied from class: ExecutionFactory

Support indicates connector can accept the COUNT(*) aggregate function

Overrides:

supportsAggregatesCountStar in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

supportsArrayType

public boolean supportsArrayType()

Description copied from class: ExecutionFactory

The engine uses array types for dependent joins and for array expression.

Overrides:

supportsArrayType in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

Returns:

true if an array type is supported.

supportsBulkUpdate

public boolean supportsBulkUpdate()

Description copied from class: ExecutionFactory

Whether the source supports updates with multiple value sets

Overrides:

supportsBulkUpdate in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

returnsSingleUpdateCount

public boolean returnsSingleUpdateCount()

Description copied from class: ExecutionFactory

True if the only a single value is returned for the update count. This overrides the default expectation of a update count array for bulk/batch commands. It is expected that every command is successful.

Overrides:

returnsSingleUpdateCount in class ExecutionFactory<ConnectionFactory,SimpleDBConnection>

Returns: