com.orientechnologies.orient.core.sql.executor

Class OSingleOpExecutionPlan

java.lang.Object

com.orientechnologies.orient.core.sql.executor.OSingleOpExecutionPlan

All Implemented Interfaces:

OExecutionPlan, OInternalExecutionPlan, Serializable

public class OSingleOpExecutionPlan
extends Object
implements OInternalExecutionPlan

Author:

Luigi Dell'Aquila (l.dellaquila-(at)-orientdb.com)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected OSimpleExecStatement	statement

Fields inherited from interface com.orientechnologies.orient.core.sql.executor.OInternalExecutionPlan

JAVA_TYPE

Constructor Summary

Constructors

Constructor and Description
OSingleOpExecutionPlan(OCommandContext ctx, OSimpleExecStatement stm)

Method Summary

Modifier and Type	Method and Description
boolean	canBeCached()
void	close()
OResultSet	executeInternal(OBasicCommandContext ctx)
OResultSet	fetchNext(int n) if the execution can still return N elements, then the result will contain them all.
long	getCost()
List<OExecutionStep>	getSteps()
String	prettyPrint(int depth, int indent)
void	reset(OCommandContext ctx)
OResult	toResult()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.orientechnologies.orient.core.sql.executor.OInternalExecutionPlan

copy, deserialize, getStatement, serialize, setStatement

Field Detail

statement

protected final OSimpleExecStatement statement

Constructor Detail

OSingleOpExecutionPlan

public OSingleOpExecutionPlan(OCommandContext ctx,
                              OSimpleExecStatement stm)

Method Detail

close

public void close()

Specified by:

close in interface OInternalExecutionPlan

fetchNext

public OResultSet fetchNext(int n)

Description copied from interface: OInternalExecutionPlan

if the execution can still return N elements, then the result will contain them all. If the execution contains less than N elements, then the result will contain them all, next result(s) will contain zero elements

Specified by:

fetchNext in interface OInternalExecutionPlan

Returns:

reset

public void reset(OCommandContext ctx)

Specified by:

reset in interface OInternalExecutionPlan

getCost

public long getCost()

Specified by:

getCost in interface OInternalExecutionPlan

canBeCached

public boolean canBeCached()

Specified by:

canBeCached in interface OInternalExecutionPlan

executeInternal

public OResultSet executeInternal(OBasicCommandContext ctx)
                           throws OCommandExecutionException

Throws:

OCommandExecutionException

getSteps

public List<OExecutionStep> getSteps()

Specified by:

getSteps in interface OExecutionPlan

prettyPrint

public String prettyPrint(int depth,
                          int indent)

Specified by:

prettyPrint in interface OExecutionPlan

toResult

public OResult toResult()

Specified by:

toResult in interface OExecutionPlan