io.warp10.script.ext.zeppelin.ZPARAGRAPHID Maven / Gradle / Ivy
//
// Copyright 2018 SenX S.A.S.
//
// Licensed 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 io.warp10.script.ext.zeppelin;
import org.apache.zeppelin.interpreter.InterpreterContext;
import io.warp10.script.NamedWarpScriptFunction;
import io.warp10.script.WarpScriptException;
import io.warp10.script.WarpScriptStack;
import io.warp10.script.WarpScriptStackFunction;
/**
* Puts the paragraphid on the stack
*/
public class ZPARAGRAPHID extends NamedWarpScriptFunction implements WarpScriptStackFunction {
public ZPARAGRAPHID(String name) {
super(name);
}
@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {
InterpreterContext context = (InterpreterContext) stack.getAttribute(ZeppelinWarpScriptExtension.ATTRIBUTE_ZEPPELIN_INTERPRETER_CONTEXT);
if (null == context) {
throw new WarpScriptException(getName() + " Zeppelin Interpreter Context unset.");
}
stack.push(context.getParagraphId());
return stack;
}
}