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

Class TypeAwareSQLTreeProcessor

java.lang.Object

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

org.apache.cayenne.access.translator.select.TypeAwareSQLTreeProcessor

All Implemented Interfaces:

NodeTreeVisitor, SQLTreeProcessor

Direct Known Subclasses:

MySQLTreeProcessor, PostgreSQLTreeProcessor

public class TypeAwareSQLTreeProcessor
extends SimpleNodeTreeVisitor
implements SQLTreeProcessor

Since:

4.2

Field Summary

Fields

Modifier and Type	Field	Description
protected final Map<String,ChildProcessor<ColumnNode>>	byColumnTypeProcessors
protected final Map<NodeType,ChildProcessor<Node>>	byNodeTypeProcessors
protected final Map<String,ChildProcessor<ValueNode>>	byValueTypeProcessors
protected static final Class<?>	DEFAULT_TYPE
protected static final String	DEFAULT_TYPE_NAME

Constructor Summary

Constructors

Constructor	Description
TypeAwareSQLTreeProcessor()

Method Summary

Modifier and Type	Method	Description
protected Optional<Node>	defaultProcess(Node parent, Node child, int index)
protected DbAttribute	getColumnAttribute(ColumnNode node)
protected ChildProcessor<ColumnNode>	getColumnProcessor(DbAttribute attr)
protected static Optional<ObjAttribute>	getObjAttributeFor(DbAttribute dbAttribute)
protected DbAttribute	getValueAttribute(ValueNode node)
protected ChildProcessor<ValueNode>	getValueProcessor(DbAttribute attr)
boolean	onChildNodeStart(Node parent, Node child, int index, boolean hasMore)
Node	process(Node node)
protected void	registerColumnProcessor(Class<?> columnType, ChildProcessor childProcessor)
protected void	registerProcessor(NodeType nodeType, ChildProcessor childProcessor)
protected void	registerValueProcessor(Class<?> columnType, ChildProcessor childProcessor)
protected static void	replaceChild(Node parent, int index, Node newChild)
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

Field Details

DEFAULT_TYPE

protected static final Class<?> DEFAULT_TYPE

DEFAULT_TYPE_NAME

protected static final String DEFAULT_TYPE_NAME

byColumnTypeProcessors

protected final Map<String,ChildProcessor<ColumnNode>> byColumnTypeProcessors

byValueTypeProcessors

protected final Map<String,ChildProcessor<ValueNode>> byValueTypeProcessors

byNodeTypeProcessors

protected final Map<NodeType,ChildProcessor<Node>> byNodeTypeProcessors

Constructor Details

TypeAwareSQLTreeProcessor

public TypeAwareSQLTreeProcessor()

Method Details

process

public Node process(Node node)

Specified by:

process in interface SQLTreeProcessor

registerProcessor

protected void registerProcessor(NodeType nodeType,
 ChildProcessor childProcessor)

registerColumnProcessor

protected void registerColumnProcessor(Class<?> columnType,
 ChildProcessor childProcessor)

registerValueProcessor

protected void registerValueProcessor(Class<?> columnType,
 ChildProcessor childProcessor)

defaultProcess

protected Optional<Node> defaultProcess(Node parent,
 Node child,
 int index)

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

getColumnAttribute

protected DbAttribute getColumnAttribute(ColumnNode node)

getColumnProcessor

protected ChildProcessor<ColumnNode> getColumnProcessor(DbAttribute attr)

getValueAttribute

protected DbAttribute getValueAttribute(ValueNode node)

getValueProcessor

protected ChildProcessor<ValueNode> getValueProcessor(DbAttribute attr)

replaceChild

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

wrapInFunction

protected static Node wrapInFunction(Node node,
 String function)

getObjAttributeFor

protected static Optional<ObjAttribute> getObjAttributeFor(DbAttribute dbAttribute)