Package com.arcadedb.query.sql.executor

Class ScriptExecutionPlan

java.lang.Object

com.arcadedb.query.sql.executor.ScriptExecutionPlan

All Implemented Interfaces:

ExecutionPlan, InternalExecutionPlan, Serializable

public class ScriptExecutionPlan
extends Object
implements InternalExecutionPlan

Author:

Luigi Dell'Aquila (luigi.dellaquila-(at)-gmail.com)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected List<ScriptLineStep>	steps

Fields inherited from interface com.arcadedb.query.sql.executor.InternalExecutionPlan

JAVA_TYPE

Constructor Summary

Constructors

Constructor	Description
ScriptExecutionPlan(CommandContext ctx)

Method Summary

Modifier and Type	Method	Description
boolean	canBeCached()
void	chain(InternalExecutionPlan nextPlan, boolean profilingEnabled)
void	close()
boolean	containsReturn()
ExecutionStepInternal	executeFull()	executes the whole script and returns last statement ONLY if it's a RETURN, otherwise it returns null;
ExecutionStepInternal	executeUntilReturn()	executes all the script and returns last statement execution step, so that it can be executed from outside
ResultSet	fetchNext(int n)	if the execution can still return N elements, then the result will contain them all.
long	getCost()
String	getStatement()
List<ExecutionStep>	getSteps()
String	prettyPrint(int depth, int indent)
void	reset(CommandContext ctx)
void	setStatement(String statement)
void	setSteps(List<ExecutionStepInternal> steps)
Result	toResult()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.arcadedb.query.sql.executor.InternalExecutionPlan

copy, deserialize, serialize

Field Detail

steps

protected List<ScriptLineStep> steps

Constructor Detail

ScriptExecutionPlan

public ScriptExecutionPlan(CommandContext ctx)

Method Detail

reset

public void reset(CommandContext ctx)

Specified by:

reset in interface InternalExecutionPlan

close

public void close()

Specified by:

close in interface InternalExecutionPlan

fetchNext

public ResultSet fetchNext(int n)

Description copied from interface: InternalExecutionPlan

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 InternalExecutionPlan

Returns:

prettyPrint

public String prettyPrint(int depth,
                          int indent)

Specified by:

prettyPrint in interface ExecutionPlan

chain

public void chain(InternalExecutionPlan nextPlan,
                  boolean profilingEnabled)

getSteps

public List<ExecutionStep> getSteps()

Specified by:

getSteps in interface ExecutionPlan

setSteps

public void setSteps(List<ExecutionStepInternal> steps)

toResult

public Result toResult()

Specified by:

toResult in interface ExecutionPlan

getCost

public long getCost()

Specified by:

getCost in interface InternalExecutionPlan

canBeCached

public boolean canBeCached()

Specified by:

canBeCached in interface InternalExecutionPlan

containsReturn

public boolean containsReturn()

executeUntilReturn

public ExecutionStepInternal executeUntilReturn()

executes all the script and returns last statement execution step, so that it can be executed from outside

Returns:

executeFull

public ExecutionStepInternal executeFull()

executes the whole script and returns last statement ONLY if it's a RETURN, otherwise it returns null;

Returns:

getStatement

public String getStatement()

Specified by:

getStatement in interface InternalExecutionPlan

setStatement

public void setStatement(String statement)

Specified by:

setStatement in interface InternalExecutionPlan