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org.objectstyle.cayenne.access.trans
Class SqlModifyTranslator  

java.lang.Object
  org.objectstyle.cayenne.access.QueryTranslator
      org.objectstyle.cayenne.access.trans.QueryAssembler
          org.objectstyle.cayenne.access.trans.SqlModifyTranslator

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public class SqlModifyTranslator

extends QueryAssembler

Class works as a translator of raw SELECT queries to JDBC statements.

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Field Summary

 

Fields inherited from class org.objectstyle.cayenne.access.trans.QueryAssembler

attributes, values

 

Fields inherited from class org.objectstyle.cayenne.access.QueryTranslator

adapter, con, engine, query

 

Constructor Summary

SqlModifyTranslator()

 

Method Summary
java.lang.String	aliasForTable(org.objectstyle.cayenne.map.DbEntity dbEnt)           Returns a name that can be used as column alias.
java.lang.String	createSqlString()           Translates query into sql string.
void	dbRelationshipAdded(org.objectstyle.cayenne.map.DbRelationship dbRel)           Processes a join being added.
boolean	supportsTableAliases()           Returns true if table aliases are supported.

 

Methods inherited from class org.objectstyle.cayenne.access.trans.QueryAssembler

addToParamList, aliasForTable, createStatement, initStatement

 

Methods inherited from class org.objectstyle.cayenne.access.QueryTranslator

getAdapter, getCon, getEngine, getQuery, getRootDbEntity, getRootEntity, setAdapter, setCon, setEngine, setQuery

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

SqlModifyTranslator

public SqlModifyTranslator()

Method Detail

createSqlString

public java.lang.String createSqlString()
                                 throws java.lang.Exception

Description copied from class: QueryAssembler

Translates query into sql string. This is a workhorse method of QueryAssembler. It is called internally from createStatement. Usually there is no need to invoke it explicitly.

Specified by:

createSqlString in class QueryAssembler

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aliasForTable

public java.lang.String aliasForTable(org.objectstyle.cayenne.map.DbEntity dbEnt)

Description copied from class: QueryAssembler

Returns a name that can be used as column alias. This can be one of the following:

• an alias for this table, if it uses aliases
• a fully qualified table name, if not.

CayenneRuntimeException is thrown if a table alias can not be created.

Specified by:

aliasForTable in class QueryAssembler

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dbRelationshipAdded

public void dbRelationshipAdded(org.objectstyle.cayenne.map.DbRelationship dbRel)

Description copied from class: QueryAssembler

Processes a join being added.

Specified by:

dbRelationshipAdded in class QueryAssembler

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supportsTableAliases

public boolean supportsTableAliases()

Description copied from class: QueryAssembler

Returns true if table aliases are supported. Default implementation returns false.

Overrides:

supportsTableAliases in class QueryAssembler

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SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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