Package org.apache.tinkerpop.gremlin.orientdb.executor

Class OCommandGremlinExecutor

java.lang.Object

com.orientechnologies.orient.core.command.script.OAbstractScriptExecutor

org.apache.tinkerpop.gremlin.orientdb.executor.OCommandGremlinExecutor

All Implemented Interfaces:

OScriptExecutor, OScriptInjection, OScriptResultHandler

public class OCommandGremlinExecutor
extends OAbstractScriptExecutor
implements OScriptInjection, OScriptResultHandler

Executes a GREMLIN command.

Author:

Enrico Risa (e.risa-(at)--orientdb.com)

Field Summary

Fields

Modifier and Type	Field	Description
static final String	GREMLIN
static final String	GREMLIN_GROOVY
protected ConcurrentMap<String,OResourcePool<ODatabaseSession,ScriptEngine>>	pooledEngines

Fields inherited from class com.orientechnologies.orient.core.command.script.OAbstractScriptExecutor

EMPTY_PARAMS, language, LINES_AROUND_ERROR

Constructor Summary

Constructors

Constructor	Description
OCommandGremlinExecutor(String language, OScriptManager scriptManager)

Method Summary

Modifier and Type	Method	Description
OrientGraph	acquireGraph(ODatabaseDocument database)
protected final ScriptEngine	acquireGremlinEngine(OrientGraph graph)
void	bind(Bindings binding, ODatabaseDocument database)
void	bindParameters(ScriptEngine iEngine, Map<Object,Object> iParameters)
void	close(String iDatabaseName)
void	closeAll()
OResultSet	execute(ODatabaseDocumentInternal database, String script, Object... params)
OResultSet	execute(ODatabaseDocumentInternal iDatabase, String iText, Map params)
Object	executeFunction(OCommandContext context, String functionName, Map<Object,Object> iArgs)
String	getEngineVersion()
Object	handle(Object result, ScriptEngine engine, Bindings binding, ODatabaseDocument database)
protected boolean	isGroovyException(Throwable throwable)
protected void	releaseGremlinEngine(String dbName, ScriptEngine engine)
void	unbind(Bindings binding)

Methods inherited from class com.orientechnologies.orient.core.command.script.OAbstractScriptExecutor

bind, bindContextVariables, preExecute, registerInterceptor, throwErrorMessage, unbind, unregisterInterceptor

Methods inherited from class java.lang.Object

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

Field Details

GREMLIN_GROOVY

public static final String GREMLIN_GROOVY

See Also:

• Constant Field Values

GREMLIN

public static final String GREMLIN

See Also:

• Constant Field Values

pooledEngines

protected ConcurrentMap<String,OResourcePool<ODatabaseSession,ScriptEngine>> pooledEngines

Constructor Details

OCommandGremlinExecutor

public OCommandGremlinExecutor(String language,
 OScriptManager scriptManager)

Method Details

execute

public OResultSet execute(ODatabaseDocumentInternal database,
 String script,
 Object... params)

Specified by:

execute in interface OScriptExecutor

execute

public OResultSet execute(ODatabaseDocumentInternal iDatabase,
 String iText,
 Map params)

Specified by:

execute in interface OScriptExecutor

executeFunction

public Object executeFunction(OCommandContext context,
 String functionName,
 Map<Object,Object> iArgs)

Specified by:

executeFunction in interface OScriptExecutor

isGroovyException

protected boolean isGroovyException(Throwable throwable)

acquireGremlinEngine

protected final ScriptEngine acquireGremlinEngine(OrientGraph graph)

releaseGremlinEngine

protected void releaseGremlinEngine(String dbName,
 ScriptEngine engine)

bindParameters

public void bindParameters(ScriptEngine iEngine,
 Map<Object,Object> iParameters)

acquireGraph

public OrientGraph acquireGraph(ODatabaseDocument database)

getEngineVersion

public String getEngineVersion()

bind

public void bind(Bindings binding,
 ODatabaseDocument database)

Specified by:

bind in interface OScriptInjection

unbind

public void unbind(Bindings binding)

Specified by:

unbind in interface OScriptInjection

close

public void close(String iDatabaseName)

Specified by:

close in interface OScriptExecutor

closeAll

public void closeAll()

Specified by:

closeAll in interface OScriptExecutor

handle

public Object handle(Object result,
 ScriptEngine engine,
 Bindings binding,
 ODatabaseDocument database)

Specified by:

handle in interface OScriptResultHandler