org.apache.cayenne.dba.postgres

Class PostgresQualifierTranslator

java.lang.Object

org.apache.cayenne.access.translator.select.QueryAssemblerHelper

org.apache.cayenne.access.translator.select.QualifierTranslator

org.apache.cayenne.access.translator.select.TrimmingQualifierTranslator

org.apache.cayenne.dba.postgres.PostgresQualifierTranslator

All Implemented Interfaces:

TraversalHandler

public class PostgresQualifierTranslator
extends TrimmingQualifierTranslator

Uses Postgres extensions to optimize various translations.

Since:

1.1

Field Summary

Fields inherited from class org.apache.cayenne.access.translator.select.TrimmingQualifierTranslator

trimFunction

Fields inherited from class org.apache.cayenne.access.translator.select.QualifierTranslator

caseInsensitive, matchingObject, objectMatchTranslator

Fields inherited from class org.apache.cayenne.access.translator.select.QueryAssemblerHelper

out, queryAssembler, strategy

Constructor Summary

Constructors

Constructor and Description
PostgresQualifierTranslator(QueryAssembler queryAssembler)

Method Summary

Methods

Modifier and Type	Method and Description
void	endNode(Expression node, Expression parentNode) Called during the traversal after an expression node children processing is finished.
void	finishedChild(Expression node, int childIndex, boolean hasMoreChildren) Called during traversal after a child of expression has been visited.
void	startNode(Expression node, Expression parentNode) Called during the traversal before an expression node children processing is started.

Methods inherited from class org.apache.cayenne.access.translator.select.TrimmingQualifierTranslator

getTrimFunction, processColumn, processColumnWithQuoteSqlIdentifiers, setTrimFunction

Methods inherited from class org.apache.cayenne.access.translator.select.QualifierTranslator

appendLiteral, appendObjectMatch, detectObjectMatch, doAppendPart, doAppendPart, extractQualifier, objectNode, operandForBitwiseAnd, operandForBitwiseLeftShift, operandForBitwiseNot, operandForBitwiseOr, operandForBitwiseRightShift, operandForBitwiseXor, parenthesisNeeded, processRelTermination, setCaseInsensitive

Methods inherited from class org.apache.cayenne.access.translator.select.QueryAssemblerHelper

appendDbPath, appendLikeEscapeCharacter, appendLiteralDirect, appendObjPath, appendPart, getDbEntity, getObjEntity, paramsDbType, processRelTermination

Methods inherited from class java.lang.Object

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

Constructor Detail

PostgresQualifierTranslator

public PostgresQualifierTranslator(QueryAssembler queryAssembler)

Method Detail

startNode

public void startNode(Expression node,
             Expression parentNode)

Description copied from interface: TraversalHandler

Called during the traversal before an expression node children processing is started.

Specified by:

startNode in interface TraversalHandler

Overrides:

startNode in class QualifierTranslator

endNode

public void endNode(Expression node,
           Expression parentNode)

Description copied from interface: TraversalHandler

Called during the traversal after an expression node children processing is finished.

Specified by:

endNode in interface TraversalHandler

Overrides:

endNode in class QualifierTranslator

finishedChild

public void finishedChild(Expression node,
                 int childIndex,
                 boolean hasMoreChildren)

Description copied from interface: TraversalHandler

Called during traversal after a child of expression has been visited.

Specified by:

finishedChild in interface TraversalHandler

Overrides:

finishedChild in class QualifierTranslator