org.apache.cayenne.query
Class DeleteQuery

java.lang.Object
  org.apache.cayenne.query.AbstractQuery
      org.apache.cayenne.query.QualifiedQuery
          org.apache.cayenne.query.DeleteQuery

All Implemented Interfaces:

java.io.Serializable, Query

public class DeleteQuery
extends QualifiedQuery

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.cayenne.query.QualifiedQuery

qualifier

Fields inherited from class org.apache.cayenne.query.AbstractQuery

name, root

Constructor Summary

DeleteQuery()
Creates empty DeleteQuery.

DeleteQuery(java.lang.Class rootClass)
Creates a DeleteQuery with null qualifier, for the entity which uses the given class

DeleteQuery(java.lang.Class rootClass, Expression qualifier)
Creates a DeleteQuery for the entity which uses the given class, with the given qualifier

DeleteQuery(ObjEntity root)
Creates a DeleteQuery with null qualifier, for the specifed ObjEntity

DeleteQuery(ObjEntity root, Expression qualifier)
Creates a DeleteQuery for the specifed ObjEntity with the given qualifier

DeleteQuery(java.lang.String objEntityName)
Creates DeleteQuery with objEntityName parameter.

DeleteQuery(java.lang.String objEntityName, Expression qualifier)
Creates DeleteQuery with objEntityName and qualifier parameters.

Method Summary

SQLAction

createSQLAction(SQLActionVisitor visitor) Calls "makeUpdate" on the visitor.

Methods inherited from class org.apache.cayenne.query.QualifiedQuery

andQualifier, getQualifier, orQualifier, setQualifier

Methods inherited from class org.apache.cayenne.query.AbstractQuery

getMetaData, getName, getRoot, route, setName, setRoot, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DeleteQuery

public DeleteQuery()

Creates empty DeleteQuery.

DeleteQuery

public DeleteQuery(ObjEntity root)

Creates a DeleteQuery with null qualifier, for the specifed ObjEntity

Parameters:

root - the ObjEntity this DeleteQuery is for.

DeleteQuery

public DeleteQuery(ObjEntity root,
                   Expression qualifier)

Creates a DeleteQuery for the specifed ObjEntity with the given qualifier

Parameters:

root - the ObjEntity this DeleteQuery is for.

qualifier - an Expression indicating which objects should be deleted

DeleteQuery

public DeleteQuery(java.lang.Class rootClass)

Creates a DeleteQuery with null qualifier, for the entity which uses the given class

Parameters:

rootClass - the Class of objects this DeleteQuery is for.

DeleteQuery

public DeleteQuery(java.lang.Class rootClass,
                   Expression qualifier)

Creates a DeleteQuery for the entity which uses the given class, with the given qualifier

Parameters:

rootClass - the Class of objects this DeleteQuery is for.

qualifier - an Expression indicating which objects should be deleted

DeleteQuery

public DeleteQuery(java.lang.String objEntityName)

Creates DeleteQuery with objEntityName parameter.

DeleteQuery

public DeleteQuery(java.lang.String objEntityName,
                   Expression qualifier)

Creates DeleteQuery with objEntityName and qualifier parameters.

Method Detail

createSQLAction

public SQLAction createSQLAction(SQLActionVisitor visitor)

Calls "makeUpdate" on the visitor.

Specified by:

createSQLAction in interface Query

Specified by:

createSQLAction in class AbstractQuery

Since:

1.2