com.cloudera.cdk.morphline.scriptengine.java
Class FastJavaScriptEngine

java.lang.Object
  javax.script.AbstractScriptEngine
      com.cloudera.cdk.morphline.scriptengine.java.FastJavaScriptEngine

All Implemented Interfaces:

Compilable, ScriptEngine

public class FastJavaScriptEngine
extends AbstractScriptEngine
implements Compilable

This is a fast script engine for Java programming language - I modified JSR 223 Java Scripting a little for some 100x less overhead for invoking "static" methods.

Nested Class Summary

static class

FastJavaScriptEngine.JavaCompiledScript

Field Summary

Fields inherited from class javax.script.AbstractScriptEngine

context

Fields inherited from interface javax.script.ScriptEngine

ARGV, ENGINE, ENGINE_VERSION, FILENAME, LANGUAGE, LANGUAGE_VERSION, NAME

Constructor Summary

FastJavaScriptEngine()

Method Summary

CompiledScript	compile(Reader reader)
CompiledScript	compile(String script)
CompiledScript	compile(String script, String methodName, Class[] parameterTypes)
Bindings	createBindings()
Object	eval(Reader reader, ScriptContext ctx)
Object	eval(String str, ScriptContext ctx)
ScriptEngineFactory	getFactory()

Methods inherited from class javax.script.AbstractScriptEngine

eval, eval, eval, eval, get, getBindings, getContext, getScriptContext, put, setBindings, setContext

Methods inherited from class java.lang.Object

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

Constructor Detail

FastJavaScriptEngine

public FastJavaScriptEngine()

Method Detail

compile

public CompiledScript compile(String script,
                              String methodName,
                              Class[] parameterTypes)
                       throws ScriptException

Throws:

ScriptException

compile

public CompiledScript compile(String script)
                       throws ScriptException

Specified by:

compile in interface Compilable

Throws:

ScriptException

compile

public CompiledScript compile(Reader reader)
                       throws ScriptException

Specified by:

compile in interface Compilable

Throws:

ScriptException

eval

public Object eval(String str,
                   ScriptContext ctx)
            throws ScriptException

Specified by:

eval in interface ScriptEngine

Throws:

ScriptException

eval

public Object eval(Reader reader,
                   ScriptContext ctx)
            throws ScriptException

Specified by:

eval in interface ScriptEngine

Throws:

ScriptException

getFactory

public ScriptEngineFactory getFactory()

Specified by:

getFactory in interface ScriptEngine

createBindings

public Bindings createBindings()

Specified by:

createBindings in interface ScriptEngine