Package com.sap.cds.services.cds

Interface CqnService

All Superinterfaces:

Service

All Known Subinterfaces:

ApplicationService, DraftService, PersistenceService, RemoteService

public interface CqnService
extends Service

The interface defining the consumption API of a CqnService. Such a service is capable of executing CQN queries.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	EVENT_CREATE
static final String	EVENT_DELETE
static final String	EVENT_READ
static final String	EVENT_UPDATE
static final String	EVENT_UPSERT

Method Summary

Modifier and Type	Method	Description
com.sap.cds.Result	run(com.sap.cds.ql.cqn.CqnDelete delete, Iterable<Map<String,Object>> valueSets)	Executes a CqnDelete statement as batch with the given named parameter values against the CqnService.
com.sap.cds.Result	run(com.sap.cds.ql.cqn.CqnDelete delete, Object... paramValues)	Executes a CqnDelete statement with optional positional parameter values against the CqnService.
com.sap.cds.Result	run(com.sap.cds.ql.cqn.CqnDelete delete, Map<String,Object> namedValues)	Executes a CqnDelete statement with named parameter values against the CqnService.
com.sap.cds.Result	run(com.sap.cds.ql.cqn.CqnInsert insert)	Executes a CqnInsert statement against the CqnService.
com.sap.cds.Result	run(com.sap.cds.ql.cqn.CqnSelect select, Object... paramValues)	Executes a CqnSelect statement with optional positional parameter values against the CqnService.
com.sap.cds.Result	run(com.sap.cds.ql.cqn.CqnSelect select, Map<String,Object> namedValues)	Executes a CqnSelect statement with named parameter values against the CqnService.
com.sap.cds.Result	run(com.sap.cds.ql.cqn.CqnUpdate update, Iterable<Map<String,Object>> valueSets)	Executes a CqnUpdate statement as batch with the given named parameter values against the CqnService.
com.sap.cds.Result	run(com.sap.cds.ql.cqn.CqnUpdate update, Object... paramValues)	Executes a CqnUpdate statement with optional positional parameter values against the CqnService.
com.sap.cds.Result	run(com.sap.cds.ql.cqn.CqnUpdate update, Map<String,Object> namedValues)	Executes a CqnUpdate statement with named parameter values against the CqnService.
com.sap.cds.Result	run(com.sap.cds.ql.cqn.CqnUpsert upsert)	Executes a CqnUpsert statement against the CqnService.

Methods inherited from interface com.sap.cds.services.Service

after, after, after, after, before, before, before, before, emit, getName, on, on, on, on

Field Details

EVENT_READ

static final String EVENT_READ

See Also:

• Constant Field Values

EVENT_CREATE

static final String EVENT_CREATE

See Also:

• Constant Field Values

EVENT_UPDATE

static final String EVENT_UPDATE

See Also:

• Constant Field Values

EVENT_DELETE

static final String EVENT_DELETE

See Also:

• Constant Field Values

EVENT_UPSERT

static final String EVENT_UPSERT

See Also:

• Constant Field Values

Method Details

run

com.sap.cds.Result run(com.sap.cds.ql.cqn.CqnSelect select,
 Object... paramValues)

Executes a CqnSelect statement with optional positional parameter values against the CqnService.

Parameters:

select - the CqnSelect to be executed

paramValues - the optional positional parameter values

Returns:

the Result of the query

run

com.sap.cds.Result run(com.sap.cds.ql.cqn.CqnSelect select,
 Map<String,Object> namedValues)

Executes a CqnSelect statement with named parameter values against the CqnService.

Parameters:

select - the CqnSelect to be executed

namedValues - the named parameter values

Returns:

the Result of the query

run

com.sap.cds.Result run(com.sap.cds.ql.cqn.CqnInsert insert)

Executes a CqnInsert statement against the CqnService.

Parameters:

insert - the CqnInsert to be executed

Returns:

the Result of the insert

run

com.sap.cds.Result run(com.sap.cds.ql.cqn.CqnUpsert upsert)

Executes a CqnUpsert statement against the CqnService.

Parameters:

upsert - the CqnUpsert to be executed

Returns:

the Result of the upsert

run

com.sap.cds.Result run(com.sap.cds.ql.cqn.CqnUpdate update,
 Object... paramValues)

Executes a CqnUpdate statement with optional positional parameter values against the CqnService.

Parameters:

update - the CqnUpdate to be executed

paramValues - the optional positional parameter values

Returns:

the Result of the update

run

com.sap.cds.Result run(com.sap.cds.ql.cqn.CqnUpdate update,
 Map<String,Object> namedValues)

Executes a CqnUpdate statement with named parameter values against the CqnService.

Parameters:

update - the CqnUpdate to be executed

namedValues - the named parameter values

Returns:

the Result of the update

run

com.sap.cds.Result run(com.sap.cds.ql.cqn.CqnUpdate update,
 Iterable<Map<String,Object>> valueSets)

Executes a CqnUpdate statement as batch with the given named parameter values against the CqnService.

Parameters:

update - the CqnUpdate to be executed

valueSets - the named parameter values

Returns:

the Result of the update

run

com.sap.cds.Result run(com.sap.cds.ql.cqn.CqnDelete delete,
 Object... paramValues)

Executes a CqnDelete statement with optional positional parameter values against the CqnService.

Parameters:

delete - the CqnDelete to be executed

paramValues - the optional positional parameter values

Returns:

the Result of the delete

run

com.sap.cds.Result run(com.sap.cds.ql.cqn.CqnDelete delete,
 Map<String,Object> namedValues)

Executes a CqnDelete statement with named parameter values against the CqnService.

Parameters:

delete - the CqnDelete to be executed

namedValues - the named parameter values

Returns:

the Result of the delete

run

com.sap.cds.Result run(com.sap.cds.ql.cqn.CqnDelete delete,
 Iterable<Map<String,Object>> valueSets)

Executes a CqnDelete statement as batch with the given named parameter values against the CqnService.

Parameters:

delete - the CqnDelete to be executed

valueSets - the named parameter values

Returns:

the Result of the delete