com.metamatrix.connector.loopback
Class LoopbackCapabilities

java.lang.Object
  org.teiid.connector.basic.BasicConnectorCapabilities
      com.metamatrix.connector.loopback.LoopbackCapabilities

All Implemented Interfaces:

ConnectorCapabilities

public class LoopbackCapabilities
extends BasicConnectorCapabilities

Specifies the capabilities of this connector. Since we want this connector to be able to emulate most other connectors, these capabilities support everything.

Field Summary

Fields inherited from class org.teiid.connector.basic.BasicConnectorCapabilities

maxInCriteriaSize

Constructor Summary

LoopbackCapabilities()
Construct the capabilities class

Method Summary

java.util.List	getSupportedFunctions() Return null to indicate no functions are supported.
boolean	supportsAggregates() Support indicates connector accepts GROUP BY and HAVING clauses as well as aggregate functions in the SELECT clause.
boolean	supportsAggregatesAvg() Support indicates connector can accept the AVG aggregate function
boolean	supportsAggregatesCount() Support indicates connector can accept the COUNT aggregate function
boolean	supportsAggregatesCountStar() Support indicates connector can accept the COUNT(*) aggregate function
boolean	supportsAggregatesDistinct() Support indicates connector can accept DISTINCT within aggregate functions
boolean	supportsAggregatesMax() Support indicates connector can accept the MAX aggregate function
boolean	supportsAggregatesMin() Support indicates connector can accept the MIN aggregate function
boolean	supportsAggregatesSum() Support indicates connector can accept the SUM aggregate function
boolean	supportsAliasedGroup() Support indicates connector can accept groups with aliases
boolean	supportsAndCriteria() Support indicates connector accepts logical criteria connected by AND
boolean	supportsBetweenCriteria() Support indicates connector accepts criteria of form (element BETWEEN constant AND constant)
boolean	supportsCaseExpressions() Support indicates connector can accept queries with non-searched CASE WHEN ...
boolean	supportsCompareCriteria() Support indicates connector accepts criteria of form (element operator constant)
boolean	supportsCompareCriteriaEquals() Support indicates connector accepts criteria of form (element = constant)
boolean	supportsCompareCriteriaGreaterThan() Support indicates connector accepts criteria of form (element > constant)
boolean	supportsCompareCriteriaGreaterThanOrEqual() Support indicates connector accepts criteria of form (element >= constant)
boolean	supportsCompareCriteriaLessThan() Support indicates connector accepts criteria of form (element < constant)
boolean	supportsCompareCriteriaLessThanOrEqual() Support indicates connector accepts criteria of form (element <= constant)
boolean	supportsCompareCriteriaNotEquals() Support indicates connector accepts criteria of form (element <> constant)
boolean	supportsCorrelatedSubqueries() Support indicates connector can accept correalted subqueries wherever subqueries are accepted
boolean	supportsCriteria() Support indicates connector can accept a WHERE criteria on queries
boolean	supportsExecutionMode(int executionMode)
boolean	supportsExistsCriteria() Support indicates connector accepts the EXISTS criteria
boolean	supportsFullOuterJoins() Support indicates connector can accept full outer joins
boolean	supportsInCriteria() Support indicates connector accepts criteria of form (element IN set)
boolean	supportsInCriteriaSubquery() Support indicates connector accepts IN criteria with a subquery on the right side
boolean	supportsInlineViews() Support indicates connector can accept inline views (subqueries in the FROM clause).
boolean	supportsIsNullCriteria() Support indicates connector accepts criteria of form (element IS NULL)
boolean	supportsJoins() Support indicates connector can accept joins
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) - CURRENTLY NOT USED
boolean	supportsNotCriteria() Support indicates connector accepts logical criteria NOT
boolean	supportsOrCriteria() Support indicates connector accepts logical criteria connected by OR
boolean	supportsOrderBy() Support indicates connector accepts ORDER BY clause, including multiple elements and ascending and descending sorts.
boolean	supportsOrderByInInlineViews()
boolean	supportsOuterJoins() Support indicates connector can accept right or left outer joins
boolean	supportsQuantifiedCompareCriteria() Support indicates connector accepts quantified subquery comparison criteria
boolean	supportsQuantifiedCompareCriteriaAll() Support indicates connector accepts the quantified comparison criteria that use ALL
boolean	supportsQuantifiedCompareCriteriaAny()
boolean	supportsQuantifiedCompareCriteriaSome() Support indicates connector accepts the quantified comparison criteria that use SOME
boolean	supportsRowLimit() Gets whether the connector can limit the number of rows returned by a query.
boolean	supportsScalarFunctions() Support indicates that the connector supports scalar functions.
boolean	supportsScalarSubqueries() Support indicates connector can accept scalar subqueries in the SELECT, WHERE, and HAVING clauses
boolean	supportsSearchedCaseExpressions() Support indicates connector can accept queries with searched CASE WHEN ...
boolean	supportsSelectDistinct() Support indicates connector can accept queries with SELECT DISTINCT
boolean	supportsSelectLiterals() Support indicates connector can accept literals in the SELECT clause
boolean	supportsSelfJoins() Support indicates connector can accept self-joins where a group is joined to itself with aliases.
boolean	supportsSetQueryOrderBy() Support indicates that the connector supports an ORDER BY on a SetQuery.
boolean	supportsUnions() Support indicates that the connector supports the UNION of two queries.

Methods inherited from class org.teiid.connector.basic.BasicConnectorCapabilities

getMaxFromGroups, getMaxInCriteriaSize, requiresCriteria, supportsBatchedUpdates, supportsBulkInsert, supportsExcept, supportsFunctionsInGroupBy, supportsIntersect, supportsRowOffset, useAnsiJoin

Methods inherited from class java.lang.Object

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

Constructor Detail

LoopbackCapabilities

public LoopbackCapabilities()

Construct the capabilities class

Method Detail

supportsExecutionMode

public boolean supportsExecutionMode(int executionMode)

getSupportedFunctions

public java.util.List getSupportedFunctions()

Description copied from class: BasicConnectorCapabilities

Return null to indicate no functions are supported.

Specified by:

getSupportedFunctions in interface ConnectorCapabilities

Overrides:

getSupportedFunctions in class BasicConnectorCapabilities

Returns:

null

See Also:

ConnectorCapabilities.getSupportedFunctions()

supportsAggregates

public boolean supportsAggregates()

Description copied from interface: ConnectorCapabilities

Support indicates connector accepts GROUP BY and HAVING clauses as well as aggregate functions in the SELECT clause.

Specified by:

supportsAggregates in interface ConnectorCapabilities

Overrides:

supportsAggregates in class BasicConnectorCapabilities

supportsAggregatesAvg

public boolean supportsAggregatesAvg()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept the AVG aggregate function

Specified by:

supportsAggregatesAvg in interface ConnectorCapabilities

Overrides:

supportsAggregatesAvg in class BasicConnectorCapabilities

supportsAggregatesCount

public boolean supportsAggregatesCount()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept the COUNT aggregate function

Specified by:

supportsAggregatesCount in interface ConnectorCapabilities

Overrides:

supportsAggregatesCount in class BasicConnectorCapabilities

supportsAggregatesCountStar

public boolean supportsAggregatesCountStar()

Description copied from interface: ConnectorCapabilities

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

Specified by:

supportsAggregatesCountStar in interface ConnectorCapabilities

Overrides:

supportsAggregatesCountStar in class BasicConnectorCapabilities

supportsAggregatesDistinct

public boolean supportsAggregatesDistinct()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept DISTINCT within aggregate functions

Specified by:

supportsAggregatesDistinct in interface ConnectorCapabilities

Overrides:

supportsAggregatesDistinct in class BasicConnectorCapabilities

supportsAggregatesMax

public boolean supportsAggregatesMax()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept the MAX aggregate function

Specified by:

supportsAggregatesMax in interface ConnectorCapabilities

Overrides:

supportsAggregatesMax in class BasicConnectorCapabilities

supportsAggregatesMin

public boolean supportsAggregatesMin()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept the MIN aggregate function

Specified by:

supportsAggregatesMin in interface ConnectorCapabilities

Overrides:

supportsAggregatesMin in class BasicConnectorCapabilities

supportsAggregatesSum

public boolean supportsAggregatesSum()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept the SUM aggregate function

Specified by:

supportsAggregatesSum in interface ConnectorCapabilities

Overrides:

supportsAggregatesSum in class BasicConnectorCapabilities

supportsAliasedGroup

public boolean supportsAliasedGroup()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept groups with aliases

Specified by:

supportsAliasedGroup in interface ConnectorCapabilities

Overrides:

supportsAliasedGroup in class BasicConnectorCapabilities

supportsAndCriteria

public boolean supportsAndCriteria()

Description copied from interface: ConnectorCapabilities

Support indicates connector accepts logical criteria connected by AND

Specified by:

supportsAndCriteria in interface ConnectorCapabilities

Overrides:

supportsAndCriteria in class BasicConnectorCapabilities

supportsBetweenCriteria

public boolean supportsBetweenCriteria()

Description copied from interface: ConnectorCapabilities

Support indicates connector accepts criteria of form (element BETWEEN constant AND constant)

Specified by:

supportsBetweenCriteria in interface ConnectorCapabilities

Overrides:

supportsBetweenCriteria in class BasicConnectorCapabilities

supportsCaseExpressions

public boolean supportsCaseExpressions()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept queries with non-searched CASE WHEN ... END

Specified by:

supportsCaseExpressions in interface ConnectorCapabilities

Overrides:

supportsCaseExpressions in class BasicConnectorCapabilities

supportsCompareCriteria

public boolean supportsCompareCriteria()

Description copied from interface: ConnectorCapabilities

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

Specified by:

supportsCompareCriteria in interface ConnectorCapabilities

Overrides:

supportsCompareCriteria in class BasicConnectorCapabilities

supportsCompareCriteriaEquals

public boolean supportsCompareCriteriaEquals()

Description copied from interface: ConnectorCapabilities

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

Specified by:

supportsCompareCriteriaEquals in interface ConnectorCapabilities

Overrides:

supportsCompareCriteriaEquals in class BasicConnectorCapabilities

supportsCompareCriteriaGreaterThan

public boolean supportsCompareCriteriaGreaterThan()

Description copied from interface: ConnectorCapabilities

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

Specified by:

supportsCompareCriteriaGreaterThan in interface ConnectorCapabilities

Overrides:

supportsCompareCriteriaGreaterThan in class BasicConnectorCapabilities

supportsCompareCriteriaGreaterThanOrEqual

public boolean supportsCompareCriteriaGreaterThanOrEqual()

Description copied from interface: ConnectorCapabilities

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

Specified by:

supportsCompareCriteriaGreaterThanOrEqual in interface ConnectorCapabilities

Overrides:

supportsCompareCriteriaGreaterThanOrEqual in class BasicConnectorCapabilities

supportsCompareCriteriaLessThan

public boolean supportsCompareCriteriaLessThan()

Description copied from interface: ConnectorCapabilities

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

Specified by:

supportsCompareCriteriaLessThan in interface ConnectorCapabilities

Overrides:

supportsCompareCriteriaLessThan in class BasicConnectorCapabilities

supportsCompareCriteriaLessThanOrEqual

public boolean supportsCompareCriteriaLessThanOrEqual()

Description copied from interface: ConnectorCapabilities

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

Specified by:

supportsCompareCriteriaLessThanOrEqual in interface ConnectorCapabilities

Overrides:

supportsCompareCriteriaLessThanOrEqual in class BasicConnectorCapabilities

supportsCompareCriteriaNotEquals

public boolean supportsCompareCriteriaNotEquals()

Description copied from interface: ConnectorCapabilities

Support indicates connector accepts criteria of form (element <> constant)

Specified by:

supportsCompareCriteriaNotEquals in interface ConnectorCapabilities

Overrides:

supportsCompareCriteriaNotEquals in class BasicConnectorCapabilities

supportsCorrelatedSubqueries

public boolean supportsCorrelatedSubqueries()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept correalted subqueries wherever subqueries are accepted

Specified by:

supportsCorrelatedSubqueries in interface ConnectorCapabilities

Overrides:

supportsCorrelatedSubqueries in class BasicConnectorCapabilities

supportsCriteria

public boolean supportsCriteria()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept a WHERE criteria on queries

Specified by:

supportsCriteria in interface ConnectorCapabilities

Overrides:

supportsCriteria in class BasicConnectorCapabilities

supportsExistsCriteria

public boolean supportsExistsCriteria()

Description copied from interface: ConnectorCapabilities

Support indicates connector accepts the EXISTS criteria

Specified by:

supportsExistsCriteria in interface ConnectorCapabilities

Overrides:

supportsExistsCriteria in class BasicConnectorCapabilities

supportsFullOuterJoins

public boolean supportsFullOuterJoins()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept full outer joins

Specified by:

supportsFullOuterJoins in interface ConnectorCapabilities

Overrides:

supportsFullOuterJoins in class BasicConnectorCapabilities

supportsInCriteria

public boolean supportsInCriteria()

Description copied from interface: ConnectorCapabilities

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

Specified by:

supportsInCriteria in interface ConnectorCapabilities

Overrides:

supportsInCriteria in class BasicConnectorCapabilities

supportsInCriteriaSubquery

public boolean supportsInCriteriaSubquery()

Description copied from interface: ConnectorCapabilities

Support indicates connector accepts IN criteria with a subquery on the right side

Specified by:

supportsInCriteriaSubquery in interface ConnectorCapabilities

Overrides:

supportsInCriteriaSubquery in class BasicConnectorCapabilities

supportsIsNullCriteria

public boolean supportsIsNullCriteria()

Description copied from interface: ConnectorCapabilities

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

Specified by:

supportsIsNullCriteria in interface ConnectorCapabilities

Overrides:

supportsIsNullCriteria in class BasicConnectorCapabilities

supportsJoins

public boolean supportsJoins()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept joins

Specified by:

supportsJoins in interface ConnectorCapabilities

Overrides:

supportsJoins in class BasicConnectorCapabilities

supportsLikeCriteria

public boolean supportsLikeCriteria()

Description copied from interface: ConnectorCapabilities

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

Specified by:

supportsLikeCriteria in interface ConnectorCapabilities

Overrides:

supportsLikeCriteria in class BasicConnectorCapabilities

supportsLikeCriteriaEscapeCharacter

public boolean supportsLikeCriteriaEscapeCharacter()

Description copied from interface: ConnectorCapabilities

Support indicates connector accepts criteria of form (element LIKE constant ESCAPE char) - CURRENTLY NOT USED

Specified by:

supportsLikeCriteriaEscapeCharacter in interface ConnectorCapabilities

Overrides:

supportsLikeCriteriaEscapeCharacter in class BasicConnectorCapabilities

supportsNotCriteria

public boolean supportsNotCriteria()

Description copied from interface: ConnectorCapabilities

Support indicates connector accepts logical criteria NOT

Specified by:

supportsNotCriteria in interface ConnectorCapabilities

Overrides:

supportsNotCriteria in class BasicConnectorCapabilities

supportsOrCriteria

public boolean supportsOrCriteria()

Description copied from interface: ConnectorCapabilities

Support indicates connector accepts logical criteria connected by OR

Specified by:

supportsOrCriteria in interface ConnectorCapabilities

Overrides:

supportsOrCriteria in class BasicConnectorCapabilities

supportsOrderBy

public boolean supportsOrderBy()

Description copied from interface: ConnectorCapabilities

Support indicates connector accepts ORDER BY clause, including multiple elements and ascending and descending sorts.

Specified by:

supportsOrderBy in interface ConnectorCapabilities

Overrides:

supportsOrderBy in class BasicConnectorCapabilities

supportsOuterJoins

public boolean supportsOuterJoins()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept right or left outer joins

Specified by:

supportsOuterJoins in interface ConnectorCapabilities

Overrides:

supportsOuterJoins in class BasicConnectorCapabilities

supportsQuantifiedCompareCriteria

public boolean supportsQuantifiedCompareCriteria()

Description copied from interface: ConnectorCapabilities

Support indicates connector accepts quantified subquery comparison criteria

Specified by:

supportsQuantifiedCompareCriteria in interface ConnectorCapabilities

Overrides:

supportsQuantifiedCompareCriteria in class BasicConnectorCapabilities

supportsQuantifiedCompareCriteriaAll

public boolean supportsQuantifiedCompareCriteriaAll()

Description copied from interface: ConnectorCapabilities

Support indicates connector accepts the quantified comparison criteria that use ALL

Specified by:

supportsQuantifiedCompareCriteriaAll in interface ConnectorCapabilities

Overrides:

supportsQuantifiedCompareCriteriaAll in class BasicConnectorCapabilities

supportsQuantifiedCompareCriteriaAny

public boolean supportsQuantifiedCompareCriteriaAny()

supportsScalarFunctions

public boolean supportsScalarFunctions()

Description copied from interface: ConnectorCapabilities

Support indicates that the connector supports scalar functions.

Specified by:

supportsScalarFunctions in interface ConnectorCapabilities

Overrides:

supportsScalarFunctions in class BasicConnectorCapabilities

supportsScalarSubqueries

public boolean supportsScalarSubqueries()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept scalar subqueries in the SELECT, WHERE, and HAVING clauses

Specified by:

supportsScalarSubqueries in interface ConnectorCapabilities

Overrides:

supportsScalarSubqueries in class BasicConnectorCapabilities

supportsSearchedCaseExpressions

public boolean supportsSearchedCaseExpressions()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept queries with searched CASE WHEN ... END

Specified by:

supportsSearchedCaseExpressions in interface ConnectorCapabilities

Overrides:

supportsSearchedCaseExpressions in class BasicConnectorCapabilities

supportsSelectDistinct

public boolean supportsSelectDistinct()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept queries with SELECT DISTINCT

Specified by:

supportsSelectDistinct in interface ConnectorCapabilities

Overrides:

supportsSelectDistinct in class BasicConnectorCapabilities

supportsSelfJoins

public boolean supportsSelfJoins()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept self-joins where a group is joined to itself with aliases. Connector must also support ConnectorCapabilities.supportsAliasedGroup().

Specified by:

supportsSelfJoins in interface ConnectorCapabilities

Overrides:

supportsSelfJoins in class BasicConnectorCapabilities

supportsInlineViews

public boolean supportsInlineViews()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept inline views (subqueries in the FROM clause).

Specified by:

supportsInlineViews in interface ConnectorCapabilities

Overrides:

supportsInlineViews in class BasicConnectorCapabilities

supportsOrderByInInlineViews

public boolean supportsOrderByInInlineViews()

supportsQuantifiedCompareCriteriaSome

public boolean supportsQuantifiedCompareCriteriaSome()

Description copied from interface: ConnectorCapabilities

Support indicates connector accepts the quantified comparison criteria that use SOME

Specified by:

supportsQuantifiedCompareCriteriaSome in interface ConnectorCapabilities

Overrides:

supportsQuantifiedCompareCriteriaSome in class BasicConnectorCapabilities

supportsRowLimit

public boolean supportsRowLimit()

Description copied from interface: ConnectorCapabilities

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

Specified by:

supportsRowLimit in interface ConnectorCapabilities

Overrides:

supportsRowLimit in class BasicConnectorCapabilities

supportsSelectLiterals

public boolean supportsSelectLiterals()

Description copied from interface: ConnectorCapabilities

Support indicates connector can accept literals in the SELECT clause

Specified by:

supportsSelectLiterals in interface ConnectorCapabilities

Overrides:

supportsSelectLiterals in class BasicConnectorCapabilities

See Also:

ConnectorCapabilities.supportsSelectLiterals()

supportsSetQueryOrderBy

public boolean supportsSetQueryOrderBy()

Description copied from interface: ConnectorCapabilities

Support indicates that the connector supports an ORDER BY on a SetQuery.

Specified by:

supportsSetQueryOrderBy in interface ConnectorCapabilities

Overrides:

supportsSetQueryOrderBy in class BasicConnectorCapabilities

See Also:

ConnectorCapabilities.supportsSetQueryOrderBy()

supportsUnions

public boolean supportsUnions()

Description copied from interface: ConnectorCapabilities

Support indicates that the connector supports the UNION of two queries.

Specified by:

supportsUnions in interface ConnectorCapabilities

Overrides:

supportsUnions in class BasicConnectorCapabilities

See Also:

ConnectorCapabilities.supportsUnions()