/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.pig.test.utils;
import org.apache.pig.FuncSpec;
import org.apache.pig.impl.logicalLayer.LogicalPlan;
import org.apache.pig.impl.logicalLayer.LOLoad;
import org.apache.pig.impl.plan.OperatorKey;
import org.apache.pig.impl.logicalLayer.schema.Schema;
import org.apache.pig.impl.plan.NodeIdGenerator;
import org.apache.pig.impl.plan.CompilationMessageCollector;
import org.apache.pig.impl.io.FileSpec;
import org.apache.pig.builtin.PigStorage;
import org.apache.pig.test.TypeGraphPrinter;
import java.util.Iterator;
import java.util.List;
import java.util.ArrayList;
import java.io.IOException;
public class TypeCheckingTestUtil {
public static LOLoad genDummyLOLoad(LogicalPlan plan) {
String pigStorage = PigStorage.class.getName() ;
try {
LOLoad load = new LOLoad(plan,
genNewOperatorKey(),
new FileSpec("pi", new FuncSpec(pigStorage)),
null, null, true) ;
return load ;
} catch (IOException e) {
throw new AssertionError("This cannot happen") ;
}
}
public static Schema genFlatSchema(String[] aliases, byte[] types) {
if (aliases.length != types.length) {
throw new AssertionError(" aliase number and type number don't match") ;
}
List<Schema.FieldSchema> fsList = new ArrayList<Schema.FieldSchema>() ;
for(int i=0; i<aliases.length ;i++) {
fsList.add(new Schema.FieldSchema(aliases[i], types[i])) ;
}
return new Schema(fsList) ;
}
public static OperatorKey genNewOperatorKey() {
long newId = NodeIdGenerator.getGenerator().getNextNodeId("scope") ;
return new OperatorKey("scope", newId) ;
}
public static void printTypeGraph(LogicalPlan plan) {
System.out.println("*****Type Graph*******") ;
TypeGraphPrinter printer = new TypeGraphPrinter(plan) ;
String rep = printer.printToString() ;
System.out.println(rep) ;
}
public static void printMessageCollector(CompilationMessageCollector collector) {
if (collector.hasMessage()) {
System.out.println("*****MessageCollector dump*******") ;
Iterator<CompilationMessageCollector.Message> it1 = collector.iterator() ;
while (it1.hasNext()) {
CompilationMessageCollector.Message msg = it1.next() ;
System.out.println(msg.getMessageType() + ":" + msg.getMessage());
}
}
}
public static void printCurrentMethodName() {
StackTraceElement e[] = Thread.currentThread().getStackTrace() ;
boolean doNext = false;
for (StackTraceElement s : e) {
if (doNext) {
System.out.println(s.getMethodName());
return;
}
doNext = s.getMethodName().equals("printCurrentMethodName");
}
}
public static String getCurrentMethodName() {
StackTraceElement e[] = Thread.currentThread().getStackTrace() ;
boolean doNext = false;
for (StackTraceElement s : e) {
if (doNext) {
return s.getMethodName();
}
doNext = s.getMethodName().equals("getCurrentMethodName");
}
return null;
}
}