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java.lang.Objectorg.apache.cayenne.access.QueryTranslator
org.apache.cayenne.access.trans.QueryAssembler
org.apache.cayenne.access.trans.UpdateTranslator
public class UpdateTranslator
Class implements default translation mechanism of org.apache.cayenne.query.UpdateQuery objects to SQL UPDATE statements.
Field Summary |
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Fields inherited from class org.apache.cayenne.access.trans.QueryAssembler |
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attributes, values |
Fields inherited from class org.apache.cayenne.access.QueryTranslator |
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adapter, connection, engine, entityResolver, query |
Constructor Summary | |
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UpdateTranslator()
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Method Summary | |
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java.lang.String |
aliasForTable(DbEntity dbEnt)
Returns a name that can be used as column alias. |
java.lang.String |
createSqlString()
Method that converts an update query into SQL string |
void |
dbRelationshipAdded(DbRelationship dbRel)
Processes a join being added. |
Methods inherited from class org.apache.cayenne.access.trans.QueryAssembler |
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addToParamList, aliasForTable, createStatement, initStatement, supportsTableAliases |
Methods inherited from class org.apache.cayenne.access.QueryTranslator |
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createStatement, getAdapter, getCon, getConnection, getEngine, getEntityResolver, getQuery, getRootDbEntity, getRootEntity, getRootInheritanceTree, setAdapter, setCon, setConnection, setEngine, setEntityResolver, setQuery |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public UpdateTranslator()
Method Detail |
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public java.lang.String aliasForTable(DbEntity dbEnt)
QueryAssembler
aliasForTable
in class QueryAssembler
public void dbRelationshipAdded(DbRelationship dbRel)
QueryAssembler
dbRelationshipAdded
in class QueryAssembler
public java.lang.String createSqlString() throws java.lang.Exception
createSqlString
in class QueryAssembler
java.lang.Exception
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