01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: */
18:
19: package org.apache.jmeter.visualizers;
20:
21: import org.apache.jmeter.samplers.SampleResult;
22:
23: /**
24: * Implement this method to be a Visualizer for JMeter. This interface defines a
25: * single method, "add()", that provides the means by which
26: * {@link org.apache.jmeter.samplers.SampleResult SampleResults} are passed to
27: * the implementing visualizer for display/logging. The easiest way to create
28: * the visualizer is to extend the
29: * {@link org.apache.jmeter.visualizers.gui.AbstractVisualizer} class.
30: *
31: */
32: public interface Visualizer {
33: /**
34: * This method is called by sampling thread to inform the visualizer about
35: * the arrival of a new sample.
36: */
37: public void add(SampleResult sample);
38:
39: /**
40: * This method is used to indicate a visualizer generates statistics.
41: *
42: * @return true if visualiser generates statistics
43: */
44: public boolean isStats();
45: }
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