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java.lang.Objectorg.apache.cayenne.query.AbstractQuery
org.apache.cayenne.query.QualifiedQuery
org.apache.cayenne.query.UpdateQuery
public class UpdateQuery
Object encapsulating an UPDATE statement. Note that updated attributes are expressed in terms of DbAttribute names.
Field Summary | |
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protected java.util.Map |
updAttributes
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Fields inherited from class org.apache.cayenne.query.QualifiedQuery |
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qualifier |
Fields inherited from class org.apache.cayenne.query.AbstractQuery |
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name, root |
Constructor Summary | |
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UpdateQuery()
Creates empty UpdateQuery. |
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UpdateQuery(java.lang.Class rootClass)
Creates a UpdateQuery with null qualifier, for the entity which uses the given class. |
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UpdateQuery(java.lang.Class rootClass,
Expression qualifier)
Creates a UpdateQuery for the entity which uses the given class, with the given qualifier. |
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UpdateQuery(ObjEntity root)
Creates a UpdateQuery with null qualifier, for the specifed ObjEntity |
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UpdateQuery(ObjEntity root,
Expression qualifier)
Creates a UpdateQuery for the specifed ObjEntity with the given qualifier |
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UpdateQuery(java.lang.String objEntityName)
Creates UpdateQuery with objEntityName parameter. |
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UpdateQuery(java.lang.String objEntityName,
Expression qualifier)
Creates UpdateQuery with objEntityName and qualifier
parameters. |
Method Summary | |
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void |
addUpdAttribute(java.lang.String attrName,
java.lang.Object updatedValue)
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SQLAction |
createSQLAction(SQLActionVisitor visitor)
Calls "makeUpdate" on the visitor. |
java.util.Map |
getUpdAttributes()
Returns a map of updated attributes |
Methods inherited from class org.apache.cayenne.query.QualifiedQuery |
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andQualifier, getQualifier, orQualifier, setQualifier |
Methods inherited from class org.apache.cayenne.query.AbstractQuery |
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getMetaData, getName, getRoot, route, setName, setRoot, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected java.util.Map updAttributes
Constructor Detail |
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public UpdateQuery()
public UpdateQuery(ObjEntity root)
root
- the ObjEntity this UpdateQuery is for.public UpdateQuery(ObjEntity root, Expression qualifier)
root
- the ObjEntity this UpdateQuery is for.qualifier
- an Expression indicating which objects will be updatedpublic UpdateQuery(java.lang.Class rootClass)
rootClass
- the Class of objects this UpdateQuery is for.public UpdateQuery(java.lang.Class rootClass, Expression qualifier)
rootClass
- the Class of objects this UpdateQuery is for.qualifier
- an Expression indicating which objects will be updatedpublic UpdateQuery(java.lang.String objEntityName)
objEntityName
parameter.
public UpdateQuery(java.lang.String objEntityName, Expression qualifier)
objEntityName
and qualifier
parameters.
Method Detail |
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public SQLAction createSQLAction(SQLActionVisitor visitor)
createSQLAction
in interface Query
createSQLAction
in class AbstractQuery
public void addUpdAttribute(java.lang.String attrName, java.lang.Object updatedValue)
public java.util.Map getUpdAttributes()
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