Package com.querydsl.sql

Class SQLListeners

java.lang.Object

com.querydsl.sql.SQLListeners

All Implemented Interfaces:

SQLDetailedListener, SQLListener

public class SQLListeners
extends Object
implements SQLDetailedListener

SQLListeners is a SQLListener implementation which dispatches the notifications to a list of SQLListener instances

Author:

tiwe

Constructor Summary

Constructors

Constructor	Description
SQLListeners()
SQLListeners(SQLListener parent)

Method Summary

Modifier and Type	Method	Description
void	add(SQLListener listener)
void	end(SQLListenerContext context)	Called at the end of a query.
void	exception(SQLListenerContext context)	Called if an exception happens during query building and execution.
void	executed(SQLListenerContext context)	Called at the end of PreparedStatement execution.
Set<SQLDetailedListener>	getListeners()
void	notifyDelete(RelationalPath<?> entity, QueryMetadata md)	Notify about a deletion
void	notifyDeletes(RelationalPath<?> entity, List<QueryMetadata> batches)	Notify about a batch deletion
void	notifyInsert(RelationalPath<?> entity, QueryMetadata md, List<Path<?>> columns, List<Expression<?>> values, SubQueryExpression<?> subQuery)	Notify about an insertion
void	notifyInserts(RelationalPath<?> entity, QueryMetadata md, List<SQLInsertBatch> batches)	Notify about a batch insertion
void	notifyMerge(RelationalPath<?> entity, QueryMetadata md, List<Path<?>> keys, List<Path<?>> columns, List<Expression<?>> values, SubQueryExpression<?> subQuery)	Notify about a merge
void	notifyMerges(RelationalPath<?> entity, QueryMetadata md, List<SQLMergeBatch> batches)	Notify about a batch merge
void	notifyQuery(QueryMetadata md)	Notify about a query
void	notifyUpdate(RelationalPath<?> entity, QueryMetadata md, Map<Path<?>,Expression<?>> updates)	Notify about an update operation
void	notifyUpdates(RelationalPath<?> entity, List<SQLUpdateBatch> batches)	Notify about a batch update
void	preExecute(SQLListenerContext context)	Called at the start of PreparedStatement execution.
void	prepared(SQLListenerContext context)	Called at the end of PreparedStatement preparation.
void	prePrepare(SQLListenerContext context)	Called at the start of PreparedStatement preparation.
void	preRender(SQLListenerContext context)	Called at the start of SQL rendering.
void	rendered(SQLListenerContext context)	Called at the end of SQL rendering.
void	start(SQLListenerContext context)	Called at the start of a query.

Methods inherited from class java.lang.Object

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

Constructor Details

SQLListeners

public SQLListeners(SQLListener parent)

SQLListeners

public SQLListeners()

Method Details

add

public void add(SQLListener listener)

notifyQuery

public void notifyQuery(QueryMetadata md)

Description copied from interface: SQLListener

Notify about a query

Specified by:

notifyQuery in interface SQLListener

Parameters:

md - metadata of the query

notifyDelete

public void notifyDelete(RelationalPath<?> entity,
 QueryMetadata md)

Description copied from interface: SQLListener

Notify about a deletion

Specified by:

notifyDelete in interface SQLListener

Parameters:

entity - table to be deleted from

md - metadata of deletion

notifyDeletes

public void notifyDeletes(RelationalPath<?> entity,
 List<QueryMetadata> batches)

Description copied from interface: SQLListener

Notify about a batch deletion

Specified by:

notifyDeletes in interface SQLListener

Parameters:

entity - table to be deleted from

batches - metadata of batches

notifyMerge

public void notifyMerge(RelationalPath<?> entity,
 QueryMetadata md,
 List<Path<?>> keys,
 List<Path<?>> columns,
 List<Expression<?>> values,
 SubQueryExpression<?> subQuery)

Description copied from interface: SQLListener

Notify about a merge

Specified by:

notifyMerge in interface SQLListener

Parameters:

entity - table to be merged

md - metadata of merge

keys - key columns

columns - columns to be updated/inserted

values - values

subQuery - optional sub query

notifyMerges

public void notifyMerges(RelationalPath<?> entity,
 QueryMetadata md,
 List<SQLMergeBatch> batches)

Description copied from interface: SQLListener

Notify about a batch merge

Specified by:

notifyMerges in interface SQLListener

Parameters:

entity - table to be merged

md - metadata of merge

batches - metadata of batches

notifyInsert

public void notifyInsert(RelationalPath<?> entity,
 QueryMetadata md,
 List<Path<?>> columns,
 List<Expression<?>> values,
 SubQueryExpression<?> subQuery)

Description copied from interface: SQLListener

Notify about an insertion

Specified by:

notifyInsert in interface SQLListener

Parameters:

entity - table to be inserted into

md - metadata of insertion

columns - columns to be inserted into

values - values to be inserted into

subQuery - optional sub query

notifyInserts

public void notifyInserts(RelationalPath<?> entity,
 QueryMetadata md,
 List<SQLInsertBatch> batches)

Description copied from interface: SQLListener

Notify about a batch insertion

Specified by:

notifyInserts in interface SQLListener

Parameters:

entity - table to be inserted into

md - metadata of insertion

batches - metadata of batches

notifyUpdate

public void notifyUpdate(RelationalPath<?> entity,
 QueryMetadata md,
 Map<Path<?>,Expression<?>> updates)

Description copied from interface: SQLListener

Notify about an update operation

Specified by:

notifyUpdate in interface SQLListener

Parameters:

entity - table to be updated

md - metadata of update

updates - metadata of batches

notifyUpdates

public void notifyUpdates(RelationalPath<?> entity,
 List<SQLUpdateBatch> batches)

Description copied from interface: SQLListener

Notify about a batch update

Specified by:

notifyUpdates in interface SQLListener

Parameters:

entity - table to be updated

batches - metadata of batches

start

public void start(SQLListenerContext context)

Description copied from interface: SQLDetailedListener

Called at the start of a query. Most context parameters are empty at this stage

Specified by:

start in interface SQLDetailedListener

Parameters:

context - a context object that is progressively filled out as the query executes

preRender

public void preRender(SQLListenerContext context)

Description copied from interface: SQLDetailedListener

Called at the start of SQL rendering.

Specified by:

preRender in interface SQLDetailedListener

Parameters:

context - a context object that is progressively filled out as the query executes

rendered

public void rendered(SQLListenerContext context)

Description copied from interface: SQLDetailedListener

Called at the end of SQL rendering. The sql context value will not be available

Specified by:

rendered in interface SQLDetailedListener

Parameters:

context - a context object that is progressively filled out as the query executes

prePrepare

public void prePrepare(SQLListenerContext context)

Description copied from interface: SQLDetailedListener

Called at the start of PreparedStatement preparation.

Specified by:

prePrepare in interface SQLDetailedListener

Parameters:

context - a context object that is progressively filled out as the query executes

prepared

public void prepared(SQLListenerContext context)

Description copied from interface: SQLDetailedListener

Called at the end of PreparedStatement preparation.

Specified by:

prepared in interface SQLDetailedListener

Parameters:

context - a context object that is progressively filled out as the query executes

preExecute

public void preExecute(SQLListenerContext context)

Description copied from interface: SQLDetailedListener

Called at the start of PreparedStatement execution.

Specified by:

preExecute in interface SQLDetailedListener

Parameters:

context - a context object that is progressively filled out as the query executes

executed

public void executed(SQLListenerContext context)

Description copied from interface: SQLDetailedListener

Called at the end of PreparedStatement execution.

Specified by:

executed in interface SQLDetailedListener

Parameters:

context - a context object that is progressively filled out as the query executes

end

public void end(SQLListenerContext context)

Description copied from interface: SQLDetailedListener

Called at the end of a query.

Specified by:

end in interface SQLDetailedListener

Parameters:

context - a context object that is progressively filled out as the query executes

exception

public void exception(SQLListenerContext context)

Description copied from interface: SQLDetailedListener

Called if an exception happens during query building and execution. The context exception values will now be available indicating the exception that occurred.

Specified by:

exception in interface SQLDetailedListener

Parameters:

context - a context object that is progressively filled out as the query executes

getListeners

public Set<SQLDetailedListener> getListeners()