com.j_spaces.jdbc

Class Join

java.lang.Object

com.j_spaces.jdbc.Join

All Implemented Interfaces:

Query, Externalizable, Serializable, Cloneable

public class Join
extends Object
implements Query, Cloneable, Externalizable

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Join.JoinType

Constructor Summary

Constructors

Constructor and Description
Join()
Join(String joinType, Query subQuery, ExpNode onExpression, String tableName, String alias)

Method Summary

Modifier and Type	Method and Description
ExpNode	applyOnExpression(ExpNode expNode)
void	build()
boolean	containsSubQueries() Gets whether this query contains sub queries.
ResponsePacket	executeOnSpace(ISpaceProxy space, Transaction txn) Will execute this query on the space and return a ResponsePacket
String	getAlias()
Join.JoinType	getJoinType()
ExpNode	getOnExpression()
Query	getSubQuery()
String	getTableName()
boolean	isForceUnderTransaction() Gets whether this query is forced to be executed under transaction.
boolean	isPrepared()
void	readExternal(ObjectInput in)
void	setSecurityInterceptor(SecurityInterceptor securityInterceptor)
void	setSession(QuerySession session)
void	validateQuery(ISpaceProxy space) Each query should have its own specific validations.
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.j_spaces.jdbc.Query

validateQuery

Constructor Detail

Join

public Join()

Join

public Join(String joinType,
            Query subQuery,
            ExpNode onExpression,
            String tableName,
            String alias)

Method Detail

getJoinType

public Join.JoinType getJoinType()

getTableName

public String getTableName()

getAlias

public String getAlias()

getOnExpression

public ExpNode getOnExpression()

getSubQuery

public Query getSubQuery()

applyOnExpression

public ExpNode applyOnExpression(ExpNode expNode)

executeOnSpace

public ResponsePacket executeOnSpace(ISpaceProxy space,
                                     Transaction txn)
                              throws SQLException

Description copied from interface: Query

Will execute this query on the space and return a ResponsePacket

Specified by:

executeOnSpace in interface Query

Throws:

SQLException

validateQuery

public void validateQuery(ISpaceProxy space)
                   throws SQLException

Description copied from interface: Query

Each query should have its own specific validations. this is the place to do them. if some validation fail, an SQLException will be thrown.

Specified by:

validateQuery in interface Query

Throws:

SQLException

setSession

public void setSession(QuerySession session)

Specified by:

setSession in interface Query

build

public void build()
           throws SQLException

Specified by:

build in interface Query

Throws:

SQLException

isPrepared

public boolean isPrepared()

Specified by:

isPrepared in interface Query

Returns:

isPrepared is this a PreparedStatment or not.

setSecurityInterceptor

public void setSecurityInterceptor(SecurityInterceptor securityInterceptor)

Specified by:

setSecurityInterceptor in interface Query

isForceUnderTransaction

public boolean isForceUnderTransaction()

Description copied from interface: Query

Gets whether this query is forced to be executed under transaction.

Specified by:

isForceUnderTransaction in interface Query

containsSubQueries

public boolean containsSubQueries()

Description copied from interface: Query

Gets whether this query contains sub queries.

Specified by:

containsSubQueries in interface Query

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