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[ZEPPELIN-1069]Ignore implicit interpreter when user enter wrong interpreter name #1248

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[ZEPPELIN-1069]Ignore implicit interpreter when user enter wrong interpreter name #1248

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b6520be
Add function that is replName is binding.
mwkang Jul 29, 2016
4912c5c
Add test cases
mwkang Jul 30, 2016
02a1c2a
Refactor method name
mwkang Aug 3, 2016
6082e28
Modify that StringUtils is static import
mwkang Aug 5, 2016
046f5f4
Modify static import position.
mwkang Aug 5, 2016
dd60d72
Fixed CI
mwkang Aug 8, 2016
6e91dfe
Remove unnecessary method.
mwkang Aug 9, 2016
f0eedeb
Remove unnecessary method.
mwkang Aug 9, 2016
fa7a194
Fix CI failed
mwkang Aug 10, 2016
3976a96
Remove wild card import
mwkang Aug 17, 2016
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20 changes: 14 additions & 6 deletions zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/Note.java
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Expand Up @@ -30,7 +30,6 @@
import java.util.concurrent.atomic.AtomicReference;

import com.google.gson.Gson;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

Expand All @@ -56,6 +55,11 @@
import org.apache.zeppelin.user.AuthenticationInfo;
import org.apache.zeppelin.user.Credentials;

import static org.apache.commons.lang.StringUtils.EMPTY;
import static org.apache.commons.lang.StringUtils.isEmpty;
import static org.apache.commons.lang.StringUtils.isNotEmpty;
import static org.apache.commons.lang.StringUtils.isBlank;

/**
* Binded interpreters for a note
*/
Expand All @@ -76,7 +80,7 @@ public class Note implements Serializable, ParagraphJobListener {
private String name = "";
private String id;

private AtomicReference<String> lastReplName = new AtomicReference<>(StringUtils.EMPTY);
private AtomicReference<String> lastReplName = new AtomicReference<>(EMPTY);
private transient ZeppelinConfiguration conf = ZeppelinConfiguration.create();

private Map<String, List<AngularObject>> angularObjects = new HashMap<>();
Expand Down Expand Up @@ -122,7 +126,7 @@ private void generateId() {

private String getDefaultInterpreterName() {
InterpreterSetting setting = factory.getDefaultInterpreterSetting(getId());
return null != setting ? setting.getName() : StringUtils.EMPTY;
return null != setting ? setting.getName() : EMPTY;
}

void putDefaultReplName() {
Expand Down Expand Up @@ -275,13 +279,17 @@ public Paragraph insertParagraph(int index) {
*/
private void addLastReplNameIfEmptyText(Paragraph p) {
String replName = lastReplName.get();
if (StringUtils.isEmpty(p.getText()) && StringUtils.isNotEmpty(replName)) {
if (isEmpty(p.getText()) && isNotEmpty(replName) && isBinding(replName)) {
p.setText(getInterpreterName(replName) + " ");
}
}

public boolean isBinding(String replName) {
return factory.getInterpreter(this.getId(), replName) != null;
}

private String getInterpreterName(String replName) {
return StringUtils.isBlank(replName) ? StringUtils.EMPTY : "%" + replName;
return isBlank(replName) ? EMPTY : "%" + replName;
}

/**
Expand Down Expand Up @@ -569,7 +577,7 @@ public void persist(AuthenticationInfo subject) throws IOException {
}

private void setLastReplName(Paragraph lastParagraphStarted) {
if (StringUtils.isNotEmpty(lastParagraphStarted.getRequiredReplName())) {
if (isNotEmpty(lastParagraphStarted.getRequiredReplName())) {
lastReplName.set(lastParagraphStarted.getRequiredReplName());
}
}
Expand Down
19 changes: 19 additions & 0 deletions zeppelin-zengine/src/test/java/org/apache/zeppelin/notebook/NoteTest.java
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Expand Up @@ -23,6 +23,7 @@
import org.apache.zeppelin.interpreter.Interpreter;
import org.apache.zeppelin.interpreter.InterpreterFactory;
import org.apache.zeppelin.interpreter.InterpreterSetting;
import org.apache.zeppelin.interpreter.mock.MockInterpreter2;
import org.apache.zeppelin.notebook.repo.NotebookRepo;
import org.apache.zeppelin.scheduler.Scheduler;
import org.apache.zeppelin.search.SearchService;
Expand Down Expand Up @@ -138,6 +139,7 @@ public void addParagraphWithLastReplName() {

Note note = new Note(repo, interpreterFactory, jobListenerFactory, index, credentials, noteEventListener);
note.putDefaultReplName(); //set lastReplName
when(interpreterFactory.getInterpreter(note.getId(), "spark")).thenReturn(new MockInterpreter2(null));

Paragraph p = note.addParagraph();

Expand All @@ -153,6 +155,7 @@ public void insertParagraphWithLastReplName() {

Note note = new Note(repo, interpreterFactory, jobListenerFactory, index, credentials, noteEventListener);
note.putDefaultReplName(); //set lastReplName
when(interpreterFactory.getInterpreter(note.getId(), "spark")).thenReturn(new MockInterpreter2(null));

Paragraph p = note.insertParagraph(note.getParagraphs().size());

Expand All @@ -171,4 +174,20 @@ public void setLastReplName() {

assertEquals("spark", note.getLastReplName());
}

@Test
public void isBindingTest() {
Note note = spy(new Note());
when(note.getId()).thenReturn("test1");
InterpreterFactory mockInterpreterFactory = mock(InterpreterFactory.class);
note.setInterpreterFactory(mockInterpreterFactory);

//when is not binding
assertFalse(note.isBinding("spark"));

//when is binding
when(mockInterpreterFactory.getInterpreter("test1", "spark")).
thenReturn(new MockInterpreter2(null));
assertTrue(note.isBinding("spark"));
}
}