org.openspaces.jpa.openjpa.query
Class FieldPathNode

java.lang.Object
  org.openspaces.jpa.openjpa.query.FieldPathNode

All Implemented Interfaces:

Serializable, org.apache.openjpa.kernel.exps.Path, org.apache.openjpa.kernel.exps.Value, ExpressionNode

public class FieldPathNode
extends Object
implements org.apache.openjpa.kernel.exps.Path, ExpressionNode

Represents a field path in the expression tree. The get(FieldMetaData, boolean) method is called when passing through each ClassMetaData so this method saves the entire path to the given column so it can be later converted to a string.

Since:

8.0

Author:

idan

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.openspaces.jpa.openjpa.query.ExpressionNode

ExpressionNode.NodeType

Constructor Summary

FieldPathNode()

Method Summary

void	acceptVisit(org.apache.openjpa.kernel.exps.ExpressionVisitor visitor)
void	appendSql(StringBuilder sql) Appends the node SQL string to the string builder.
void	get(org.apache.openjpa.meta.FieldMetaData fmd, boolean nullTraversal)
void	get(org.apache.openjpa.meta.FieldMetaData fieldMetaData, org.apache.openjpa.meta.XMLMetaData xmlMetaData)
void	get(org.apache.openjpa.meta.XMLMetaData xmlMetaData, String name)
String	getAlias()
String	getCorrelationVar()
org.apache.openjpa.meta.ClassMetaData	getMetaData()
String	getName()
ExpressionNode.NodeType	getNodeType() Gets the node type
org.apache.openjpa.kernel.exps.Path	getPath()
String	getSchemaAlias()
org.apache.openjpa.kernel.exps.Value	getSelectAs()
Class	getType()
org.apache.openjpa.meta.XMLMetaData	getXmlMapping()
boolean	isAggregate()
boolean	isVariable()
boolean	isXPath()
org.apache.openjpa.meta.FieldMetaData	last()
void	setAlias(String alias)
void	setCollection(boolean collection) Sets whether the JOINED property is a collection or not.
void	setImplicitType(Class type)
void	setJoinedFieldName(String collectionName) In a JOIN statement - sets the JOINED property name.
void	setMetaData(org.apache.openjpa.meta.ClassMetaData classMetaData)
void	setSchemaAlias(String schemaAliasName)
void	setSubqueryContext(org.apache.openjpa.kernel.exps.Context arg0, String arg1)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldPathNode

public FieldPathNode()

Method Detail

acceptVisit

public void acceptVisit(org.apache.openjpa.kernel.exps.ExpressionVisitor visitor)

Specified by:

acceptVisit in interface org.apache.openjpa.kernel.exps.Value

getAlias

public String getAlias()

Specified by:

getAlias in interface org.apache.openjpa.kernel.exps.Value

getMetaData

public org.apache.openjpa.meta.ClassMetaData getMetaData()

Specified by:

getMetaData in interface org.apache.openjpa.kernel.exps.Value

getName

public String getName()

Specified by:

getName in interface org.apache.openjpa.kernel.exps.Value

getPath

public org.apache.openjpa.kernel.exps.Path getPath()

Specified by:

getPath in interface org.apache.openjpa.kernel.exps.Value

getSelectAs

public org.apache.openjpa.kernel.exps.Value getSelectAs()

Specified by:

getSelectAs in interface org.apache.openjpa.kernel.exps.Value

getType

public Class getType()

Specified by:

getType in interface org.apache.openjpa.kernel.exps.Value

isAggregate

public boolean isAggregate()

Specified by:

isAggregate in interface org.apache.openjpa.kernel.exps.Value

isVariable

public boolean isVariable()

Specified by:

isVariable in interface org.apache.openjpa.kernel.exps.Value

isXPath

public boolean isXPath()

Specified by:

isXPath in interface org.apache.openjpa.kernel.exps.Value

setAlias

public void setAlias(String alias)

Specified by:

setAlias in interface org.apache.openjpa.kernel.exps.Value

setImplicitType

public void setImplicitType(Class type)

Specified by:

setImplicitType in interface org.apache.openjpa.kernel.exps.Value

setMetaData

public void setMetaData(org.apache.openjpa.meta.ClassMetaData classMetaData)

Specified by:

setMetaData in interface org.apache.openjpa.kernel.exps.Value

get

public void get(org.apache.openjpa.meta.FieldMetaData fmd,
                boolean nullTraversal)

Specified by:

get in interface org.apache.openjpa.kernel.exps.Path

get

public void get(org.apache.openjpa.meta.FieldMetaData fieldMetaData,
                org.apache.openjpa.meta.XMLMetaData xmlMetaData)

Specified by:

get in interface org.apache.openjpa.kernel.exps.Path

get

public void get(org.apache.openjpa.meta.XMLMetaData xmlMetaData,
                String name)

Specified by:

get in interface org.apache.openjpa.kernel.exps.Path

getCorrelationVar

public String getCorrelationVar()

Specified by:

getCorrelationVar in interface org.apache.openjpa.kernel.exps.Path

getSchemaAlias

public String getSchemaAlias()

Specified by:

getSchemaAlias in interface org.apache.openjpa.kernel.exps.Path

getXmlMapping

public org.apache.openjpa.meta.XMLMetaData getXmlMapping()

Specified by:

getXmlMapping in interface org.apache.openjpa.kernel.exps.Path

last

public org.apache.openjpa.meta.FieldMetaData last()

Specified by:

last in interface org.apache.openjpa.kernel.exps.Path

setSchemaAlias

public void setSchemaAlias(String schemaAliasName)

Specified by:

setSchemaAlias in interface org.apache.openjpa.kernel.exps.Path

setSubqueryContext

public void setSubqueryContext(org.apache.openjpa.kernel.exps.Context arg0,
                               String arg1)

Specified by:

setSubqueryContext in interface org.apache.openjpa.kernel.exps.Path

toString

public String toString()

Overrides:

toString in class Object

appendSql

public void appendSql(StringBuilder sql)

Description copied from interface: ExpressionNode

Appends the node SQL string to the string builder.

Specified by:

appendSql in interface ExpressionNode

Parameters:

sql - The SQL string builder to append to.

getNodeType

public ExpressionNode.NodeType getNodeType()

Description copied from interface: ExpressionNode

Gets the node type

Specified by:

getNodeType in interface ExpressionNode

Returns:

The node type.

setJoinedFieldName

public void setJoinedFieldName(String collectionName)

In a JOIN statement - sets the JOINED property name.

Parameters:

collectionName -

setCollection

public void setCollection(boolean collection)

Sets whether the JOINED property is a collection or not.