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This commit is contained in:
Lee moon soo 2016-06-08 14:24:21 -07:00
parent 0671dfdb5c
commit 7f174e318d
1 changed files with 48 additions and 1 deletions
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49
zeppelin-interpreter/src/main/java/org/apache/zeppelin/helium/Application.java
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@ -23,7 +23,9 @@ import org.apache.zeppelin.resource.ResourceSet;
import java.io.IOException;
/**
* Zeppelin Application base
* Base class for pluggable application (e.g. visualization)
* Application can access resources from ResourcePool and interact with front-end using
* AngularDisplay system
*/
@Experimental
public abstract class Application {
@ -53,21 +55,51 @@ public abstract class Application {
@Experimental
public abstract void unload() throws ApplicationException;
/**
* Print string on the notebook
* @param string
* @throws IOException
*/
@Experimental
public void print(String string) throws IOException {
context.out.write(string);
}
/**
* Print string on the notebook with newline
* @param string
* @throws IOException
*/
@Experimental
public void println(String string) throws IOException {
print(string + "\n");
}
/**
* Print resource on the notebook
* @param resourceName
* @throws IOException
*/
@Experimental
public void printResource(String resourceName) throws IOException {
context.out.writeResource(resourceName);
}
/**
* Print resource as a javascript
*
* Using this method does not require print javascript inside of <script></script> tag.
* Javascript printed using this method will be run in the un-named function.
* i.e. each method call will creates different variable scope for the javascript code.
*
* This method inject '$z' into the variable scope for convenience.
*
* $z.scope : angularjs scope object for this application
* $z.id : unique id for this application instance
*
* @param resourceName
* @throws IOException
*/
@Experimental
public void printResourceAsJavascript(String resourceName) throws IOException {
beginJavascript();
@ -75,6 +107,21 @@ public abstract class Application {
endJavascript();
}
/**
* Print string as a javascript
*
* Using this method does not require print javascript inside of <script></script> tag.
* Javascript printed using this method will be run in the un-named function.
* i.e. each method call will creates different variable scope for the javascript code.
*
* This method inject '$z' into the variable scope for convenience.
*
* $z.scope : angularjs scope object for this application
* $z.id : unique id for this application instance
*
* @param js
* @throws IOException
*/
@Experimental
public void printStringAsJavascript(String js) throws IOException {
beginJavascript();