org.apache.drill.exec.compile

Class QueryClassLoader

java.lang.Object

java.lang.ClassLoader

java.security.SecureClassLoader

java.net.URLClassLoader

org.apache.drill.exec.compile.QueryClassLoader

All Implemented Interfaces:

Closeable, AutoCloseable

public class QueryClassLoader
extends URLClassLoader

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	QueryClassLoader.CompilerPolicy

Field Summary

Fields

Modifier and Type	Field and Description
static String	JAVA_COMPILER_CONFIG
static OptionValidator	JAVA_COMPILER_DEBUG
static String	JAVA_COMPILER_DEBUG_CONFIG
static String	JAVA_COMPILER_DEBUG_OPTION
static OptionValidator	JAVA_COMPILER_JANINO_MAXSIZE
static String	JAVA_COMPILER_JANINO_MAXSIZE_CONFIG
static String	JAVA_COMPILER_JANINO_MAXSIZE_OPTION
static String	JAVA_COMPILER_OPTION
static TypeValidators.StringValidator	JAVA_COMPILER_VALIDATOR

Constructor Summary

Constructors

Constructor and Description
QueryClassLoader(DrillConfig config, OptionManager sessionOptions)

Method Summary

Methods

Modifier and Type	Method and Description
protected Class<?>	findClass(String className)
byte[][]	getClassByteCode(ClassTransformer.ClassNames className, String sourceCode)
long	getNextClassIndex()
void	injectByteCode(String className, byte[] classBytes)

Methods inherited from class java.net.URLClassLoader

addURL, close, definePackage, findResource, findResources, getPermissions, getResourceAsStream, getURLs, newInstance, newInstance

Methods inherited from class java.security.SecureClassLoader

defineClass, defineClass

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findSystemClass, getClassLoadingLock, getPackage, getPackages, getParent, getResource, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, loadClass, registerAsParallelCapable, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object

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

Field Detail

JAVA_COMPILER_OPTION

public static final String JAVA_COMPILER_OPTION

See Also:

Constant Field Values

JAVA_COMPILER_VALIDATOR

public static final TypeValidators.StringValidator JAVA_COMPILER_VALIDATOR

JAVA_COMPILER_DEBUG_OPTION

public static final String JAVA_COMPILER_DEBUG_OPTION

See Also:

Constant Field Values

JAVA_COMPILER_DEBUG

public static final OptionValidator JAVA_COMPILER_DEBUG

JAVA_COMPILER_JANINO_MAXSIZE_OPTION

public static final String JAVA_COMPILER_JANINO_MAXSIZE_OPTION

See Also:

Constant Field Values

JAVA_COMPILER_JANINO_MAXSIZE

public static final OptionValidator JAVA_COMPILER_JANINO_MAXSIZE

JAVA_COMPILER_CONFIG

public static final String JAVA_COMPILER_CONFIG

See Also:

Constant Field Values

JAVA_COMPILER_DEBUG_CONFIG

public static final String JAVA_COMPILER_DEBUG_CONFIG

See Also:

Constant Field Values

JAVA_COMPILER_JANINO_MAXSIZE_CONFIG

public static final String JAVA_COMPILER_JANINO_MAXSIZE_CONFIG

See Also:

Constant Field Values

Constructor Detail

QueryClassLoader

public QueryClassLoader(DrillConfig config,
                OptionManager sessionOptions)

Method Detail

getNextClassIndex

public long getNextClassIndex()

injectByteCode

public void injectByteCode(String className,
                  byte[] classBytes)
                    throws IOException

Throws:

IOException

findClass

protected Class<?> findClass(String className)
                      throws ClassNotFoundException

Overrides:

findClass in class URLClassLoader

Throws:

ClassNotFoundException

getClassByteCode

public byte[][] getClassByteCode(ClassTransformer.ClassNames className,
                        String sourceCode)
                          throws org.codehaus.commons.compiler.CompileException,
                                 IOException,
                                 ClassNotFoundException,
                                 ClassTransformationException

Throws:

org.codehaus.commons.compiler.CompileException

IOException

ClassNotFoundException

ClassTransformationException