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 SimpleNodeTreeVisitor

onChildNodeEnd, onNodeEnd, onNodeStart

Modifier and Type	Method	Description
void	onChildNodeEnd(Node parent, Node child, int index, boolean hasMore)
void	onNodeEnd(Node node)
boolean	onNodeStart(Node node)

Methods inherited from class 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)