Package com.j_spaces.jdbc.query

Class QueryTableData

java.lang.Object

com.j_spaces.jdbc.query.QueryTableData

All Implemented Interfaces:

SmartExternalizable, Externalizable, Serializable

public class QueryTableData
extends Object
implements SmartExternalizable

Since:

7.0

Author:

anna

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
QueryTableData()
QueryTableData(String name, String alias, int index)

Method Summary

Modifier and Type	Method	Description
void	clear()
void	createJoinIndex(ExpNode root)	Traverse the expression root(preorder) and create a join index for given table if possible
boolean	enabledSmartExternalizableWithReference()	Indicates if smart externalizable serialization should detect shared references of instances within serializtion context
boolean	equals(Object obj)
IQueryResultSet<IEntryPacket>	executeSubQuery(ISpaceProxy space, Transaction txn)
IEntryPacket	getCurrentEntry()
EntriesCursor	getEntriesCursor()
ExpNode	getJoinCondition()
QueryTableData	getJoinTable()
Join.JoinType	getJoinType()
Query	getSubQuery()
String	getTableAlias()
ExpNode	getTableCondition()
int	getTableIndex()
String	getTableName()
QueryTemplatePacket	getTemplate(QueryResultTypeInternal queryResultType)
ITypeDesc	getTypeDesc()
boolean	hasAsterixSelectColumns()
int	hashCode()
void	init(ISpaceProxy space, Transaction txn, AbstractDMLQuery query)	Fetch the entries from space that match this table condition
boolean	isBroadcastTable()
boolean	isJoined()
void	join(ExpNode exp)
boolean	next()
void	readExternal(ObjectInput in)
void	reset()
void	setAsterixSelectColumns(boolean hasAsterixSelectColumns)
void	setEntriesCursor(EntriesCursor entriesCursor)
void	setJoinCondition(ExpNode joinIndex)
void	setJoined(boolean isJoined)
void	setJoinTable(QueryTableData joinTable)
void	setJoinType(Join.JoinType _joinType)
void	setSubQuery(Query subQuery)
void	setTableCondition(ExpNode tableCondition)
void	setTypeDesc(ITypeDesc typeDesc)
boolean	supportsDynamicProperties()
String	toString()
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

QueryTableData

public QueryTableData()

QueryTableData

public QueryTableData(String name,
 String alias,
 int index)

Method Details

hasAsterixSelectColumns

public boolean hasAsterixSelectColumns()

setAsterixSelectColumns

public void setAsterixSelectColumns(boolean hasAsterixSelectColumns)

getTableName

public String getTableName()

getTableAlias

public String getTableAlias()

getTableIndex

public int getTableIndex()

getTypeDesc

public ITypeDesc getTypeDesc()

setTypeDesc

public void setTypeDesc(ITypeDesc typeDesc)

getJoinCondition

public ExpNode getJoinCondition()

setJoinCondition

public void setJoinCondition(ExpNode joinIndex)

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

getCurrentEntry

public IEntryPacket getCurrentEntry()

Returns:

IEntryPacket

next

public boolean next()

Returns:

true _joinTable doesn't finished , false if finished

reset

public void reset()

getJoinTable

public QueryTableData getJoinTable()

setJoinTable

public void setJoinTable(QueryTableData joinTable)

getEntriesCursor

public EntriesCursor getEntriesCursor()

setEntriesCursor

public void setEntriesCursor(EntriesCursor entriesCursor)

getTableCondition

public ExpNode getTableCondition()

setTableCondition

public void setTableCondition(ExpNode tableCondition)

isJoined

public boolean isJoined()

setJoined

public void setJoined(boolean isJoined)

join

public void join(ExpNode exp)

getTemplate

public QueryTemplatePacket getTemplate(QueryResultTypeInternal queryResultType)

init

public void init(ISpaceProxy space,
 Transaction txn,
 AbstractDMLQuery query)
          throws Exception

Fetch the entries from space that match this table condition

Throws:

Exception

executeSubQuery

public IQueryResultSet<IEntryPacket> executeSubQuery(ISpaceProxy space,
 Transaction txn)
                                              throws Exception

Throws:

Exception

createJoinIndex

public void createJoinIndex(ExpNode root)

Traverse the expression root(preorder) and create a join index for given table if possible

clear

public void clear()

getSubQuery

public Query getSubQuery()

setSubQuery

public void setSubQuery(Query subQuery)

supportsDynamicProperties

public boolean supportsDynamicProperties()

getJoinType

public Join.JoinType getJoinType()

setJoinType

public void setJoinType(Join.JoinType _joinType)

isBroadcastTable

public boolean isBroadcastTable()

enabledSmartExternalizableWithReference

public boolean enabledSmartExternalizableWithReference()

Description copied from interface: SmartExternalizable

Indicates if smart externalizable serialization should detect shared references of instances within serializtion context

Specified by:

enabledSmartExternalizableWithReference in interface SmartExternalizable

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException