com.espertech.esper.codegen.compile

Class CodegenCompilerJanino

java.lang.Object

com.espertech.esper.codegen.compile.CodegenCompilerJanino

All Implemented Interfaces:

CodegenCompiler

public class CodegenCompilerJanino
extends java.lang.Object
implements CodegenCompiler

Janino Usage Notes

Janino cannot do shortcut-evaluation in the form of "a ? b : c". This results in "operand stack underflow".

Janino cannot handle compilation error "result = method()" with method returning void. This results in "operand stack underflow".

Define "-Dorg.codehaus.janino.source_debugging.dir=....." and "-Dorg.codehaus.janino.source_debugging.enable=true" for debugging

Constructor Summary

Constructors

Constructor and Description
CodegenCompilerJanino(java.lang.String engineURI, boolean logging, boolean includeDebugSymbols)

Method Summary

Modifier and Type	Method and Description
<T> java.lang.Class<T>	compileClass(java.lang.String code, java.lang.String fullyQualifiedClassName, java.lang.ClassLoader classLoader, java.util.function.Supplier<java.lang.String> debugInformation)
java.lang.String	getPackageName()

Methods inherited from class java.lang.Object

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

Constructor Detail

CodegenCompilerJanino

public CodegenCompilerJanino(java.lang.String engineURI,
                             boolean logging,
                             boolean includeDebugSymbols)

Method Detail

getPackageName

public java.lang.String getPackageName()

Specified by:

getPackageName in interface CodegenCompiler

compileClass

public <T> java.lang.Class<T> compileClass(java.lang.String code,
                                           java.lang.String fullyQualifiedClassName,
                                           java.lang.ClassLoader classLoader,
                                           java.util.function.Supplier<java.lang.String> debugInformation)
                                    throws CodegenCompilerException

Specified by:

compileClass in interface CodegenCompiler

Throws:

CodegenCompilerException