com.j_spaces.jdbc.parser

Class InnerQueryNode

java.lang.Object

com.j_spaces.jdbc.parser.ExpNode

com.j_spaces.jdbc.parser.ValueNode

com.j_spaces.jdbc.parser.LiteralNode

com.j_spaces.jdbc.parser.InnerQueryNode

All Implemented Interfaces:

Externalizable, Serializable, Cloneable

public class InnerQueryNode
extends LiteralNode

Represents an inner (sub) query in a WHERE clause condition.

Since:

8.0

Author:

idan

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected SelectQuery	_innerQuery
protected ResultEntry	_results

Fields inherited from class com.j_spaces.jdbc.parser.LiteralNode

value

Fields inherited from class com.j_spaces.jdbc.parser.ExpNode

leftChild, rightChild, template

Constructor Summary

Constructors

Constructor and Description
InnerQueryNode()
InnerQueryNode(SelectQuery innerQuery)

Method Summary

Modifier and Type	Method and Description
void	accept(IQueryExecutor executor, ISpaceProxy space, Transaction txn, int readModifier, int max) Accept the query executor
Object	clone() Override the clone method.
Object	getConvertedObject(ITypeDesc typeDesc, String propertyName) Gets the node's object converted to the provided property's object type.
SelectQuery	getInnerQuery()
ResultEntry	getResult()
Object	getSingleResult() Gets the inner query's single result
Object	getValue()
boolean	isEmptyResult() Gets whether the result is empty
boolean	isInnerQuery() Gets whether this node has a child which is an inner query node
boolean	isSingleColumnResult() Gets whether the result only contains one column.
boolean	isSingleResult() Gets whether the result is a single value result
void	readExternal(ObjectInput in)
void	setResults(ResultEntry resultEntry)
String	toString()
void	writeExternal(ObjectOutput out)

Methods inherited from class com.j_spaces.jdbc.parser.LiteralNode

isPreparedValue, setValue

Methods inherited from class com.j_spaces.jdbc.parser.ValueNode

accept, isJoined, isValidCompare, newInstance

Methods inherited from class com.j_spaces.jdbc.parser.ExpNode

createIndex, createJoinIndex, forEachChild, getLeftChild, getRightChild, getTemplate, isContainsItemNode, isContainsItemsRootNode, prepareTemplateValues, prepareValues, reverse, setLeftChild, setRightChild, setTemplate, toString, traverse, traverseReverse, validateInnerQueryResult

Methods inherited from class java.lang.Object

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

Field Detail

_innerQuery

protected SelectQuery _innerQuery

_results

protected ResultEntry _results

Constructor Detail

InnerQueryNode

public InnerQueryNode()

InnerQueryNode

public InnerQueryNode(SelectQuery innerQuery)

Method Detail

getInnerQuery

public SelectQuery getInnerQuery()

getResult

public ResultEntry getResult()

setResults

public void setResults(ResultEntry resultEntry)

isSingleResult

public boolean isSingleResult()

Gets whether the result is a single value result

isEmptyResult

public boolean isEmptyResult()

Gets whether the result is empty

isSingleColumnResult

public boolean isSingleColumnResult()

Gets whether the result only contains one column.

getSingleResult

public Object getSingleResult()

Gets the inner query's single result

getValue

public Object getValue()

Overrides:

getValue in class LiteralNode

accept

public void accept(IQueryExecutor executor,
                   ISpaceProxy space,
                   Transaction txn,
                   int readModifier,
                   int max)
            throws SQLException

Description copied from class: ExpNode

Accept the query executor

Overrides:

accept in class ValueNode

Throws:

SQLException

getConvertedObject

public Object getConvertedObject(ITypeDesc typeDesc,
                                 String propertyName)
                          throws SQLException

Description copied from class: LiteralNode

Gets the node's object converted to the provided property's object type.

Overrides:

getConvertedObject in class LiteralNode

Throws:

SQLException

clone

public Object clone()

Description copied from class: ExpNode

Override the clone method.

Overrides:

clone in class LiteralNode

isInnerQuery

public boolean isInnerQuery()

Description copied from class: ExpNode

Gets whether this node has a child which is an inner query node

Overrides:

isInnerQuery in class ExpNode

toString

public String toString()

Overrides:

toString in class LiteralNode

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class LiteralNode

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class LiteralNode

Throws:

IOException

ClassNotFoundException