Package org.apache.cayenne.access.translator.select

Class BaseSQLTreeProcessor

java.lang.Object

org.apache.cayenne.access.sqlbuilder.sqltree.SimpleNodeTreeVisitor

org.apache.cayenne.access.translator.select.BaseSQLTreeProcessor

All Implemented Interfaces:

NodeTreeVisitor, SQLTreeProcessor

Direct Known Subclasses:

DB2SQLTreeProcessor, DerbySQLTreeProcessor, FirebirdSQLTreeProcessor, FrontBaseSQLTreeProcessor, H2SQLTreeProcessor, HSQLTreeProcessor, IngressSQLTreeProcessor, OpenBaseSQLTreeProcessor, OracleSQLTreeProcessor, SQLiteTreeProcessor, SybaseSQLTreeProcessor

public class BaseSQLTreeProcessor
extends SimpleNodeTreeVisitor
implements SQLTreeProcessor

Since:

4.2

Constructor Summary

Constructors

Constructor	Description
BaseSQLTreeProcessor()

Method Summary

Modifier and Type	Method	Description
boolean	onChildNodeStart(Node parent, Node child, int index, boolean hasMore)
protected void	onColumnNode(Node parent, ColumnNode child, int index)
protected void	onDistinctNode(Node parent, DistinctNode child, int index)
protected void	onFunctionNode(Node parent, FunctionNode child, int index)
protected void	onInNode(Node parent, InNode child, int index)
protected void	onLikeNode(Node parent, LikeNode child, int index)
protected void	onLimitOffsetNode(Node parent, LimitOffsetNode child, int index)
protected void	onResultNode(Node parent, Node child, int index)
protected void	onUndefinedNode(Node parent, Node child, int index)
protected void	onValueNode(Node parent, ValueNode child, int index)
Node	process(Node node)
protected static void	replaceChild(Node parent, int index, Node newChild)
protected static void	replaceChild(Node parent, int index, Node newChild, boolean transferChildren)
protected static Node	wrapInFunction(Node node, String function)

Methods inherited from class org.apache.cayenne.access.sqlbuilder.sqltree.SimpleNodeTreeVisitor

onChildNodeEnd, onNodeEnd, onNodeStart

Methods inherited from class java.lang.Object

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

Constructor Details

BaseSQLTreeProcessor

public BaseSQLTreeProcessor()

Method Details

process

public Node process(Node node)

Specified by:

process in interface SQLTreeProcessor

onValueNode

protected void onValueNode(Node parent,
 ValueNode child,
 int index)

onFunctionNode

protected void onFunctionNode(Node parent,
 FunctionNode child,
 int index)

onLimitOffsetNode

protected void onLimitOffsetNode(Node parent,
 LimitOffsetNode child,
 int index)

onColumnNode

protected void onColumnNode(Node parent,
 ColumnNode child,
 int index)

onInNode

protected void onInNode(Node parent,
 InNode child,
 int index)

onLikeNode

protected void onLikeNode(Node parent,
 LikeNode child,
 int index)

onResultNode

protected void onResultNode(Node parent,
 Node child,
 int index)

onDistinctNode

protected void onDistinctNode(Node parent,
 DistinctNode child,
 int index)

onUndefinedNode

protected void onUndefinedNode(Node parent,
 Node child,
 int index)

replaceChild

protected static void replaceChild(Node parent,
 int index,
 Node newChild)

replaceChild

protected static void replaceChild(Node parent,
 int index,
 Node newChild,
 boolean transferChildren)

wrapInFunction

protected static Node wrapInFunction(Node node,
 String function)

onChildNodeStart

public boolean onChildNodeStart(Node parent,
 Node child,
 int index,
 boolean hasMore)

Specified by:

onChildNodeStart in interface NodeTreeVisitor

Overrides:

onChildNodeStart in class SimpleNodeTreeVisitor

Parameters:

parent - node

child - node

index - of this child in parent

hasMore - true if more children after this child

Returns:

false if visitor should stop