org.apache.cayenne.dba.db2
Class DB2QualifierTranslator

java.lang.Object
  org.apache.cayenne.access.trans.QueryAssemblerHelper
      org.apache.cayenne.access.trans.QualifierTranslator
          org.apache.cayenne.access.trans.TrimmingQualifierTranslator
              org.apache.cayenne.dba.db2.DB2QualifierTranslator

All Implemented Interfaces:

TraversalHandler

public class DB2QualifierTranslator
extends TrimmingQualifierTranslator

Author:

Andrei Adamchik

Field Summary

Fields inherited from class org.apache.cayenne.access.trans.TrimmingQualifierTranslator

trimFunction

Fields inherited from class org.apache.cayenne.access.trans.QualifierTranslator

matchingObject, objectMatchTranslator, qualBuf, translateParentQual

Fields inherited from class org.apache.cayenne.access.trans.QueryAssemblerHelper

queryAssembler

Constructor Summary

DB2QualifierTranslator()

DB2QualifierTranslator(QueryAssembler queryAssembler, java.lang.String trimFunction)

Method Summary

protected void

appendLiteralDirect(java.lang.StringBuffer buf, java.lang.Object val, DbAttribute attr, Expression parentExpression) Appends SQL code to the query buffer to handle val as a parameter to the PreparedStatement being built.

Methods inherited from class org.apache.cayenne.access.trans.TrimmingQualifierTranslator

getTrimFunction, processColumn, processColumn, setTrimFunction

Methods inherited from class org.apache.cayenne.access.trans.QualifierTranslator

appendLiteral, appendObjectMatch, detectObjectMatch, doTranslation, endNode, extractQualifier, finishedChild, getObjEntity, isTranslateParentQual, objectNode, parenthesisNeeded, processRelTermination, setTranslateParentQual, startNode

Methods inherited from class org.apache.cayenne.access.trans.QueryAssemblerHelper

appendDbPath, appendObjPath, getDbEntity, getQueryAssembler, paramsDbType, processColumn, processRelTermination, setQueryAssembler

Methods inherited from class java.lang.Object

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

Constructor Detail

DB2QualifierTranslator

public DB2QualifierTranslator()

DB2QualifierTranslator

public DB2QualifierTranslator(QueryAssembler queryAssembler,
                              java.lang.String trimFunction)

Method Detail

appendLiteralDirect

protected void appendLiteralDirect(java.lang.StringBuffer buf,
                                   java.lang.Object val,
                                   DbAttribute attr,
                                   Expression parentExpression)

Description copied from class: QueryAssemblerHelper

Appends SQL code to the query buffer to handle val as a parameter to the PreparedStatement being built. Adds val into QueryAssembler parameter list.

Overrides:

appendLiteralDirect in class QueryAssemblerHelper

Parameters:

buf - query buffer

val - object that should be appended as a literal to the query. Must be of one of "standard JDBC" types. Can not be null.