com.netflix.servo.publish.MockMetricPoller.java Source code

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Here is the source code for com.netflix.servo.publish.MockMetricPoller.java

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/**
 * Copyright 2013 Netflix, Inc.
 *
 * 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 com.netflix.servo.publish;

import com.google.common.collect.ImmutableList;
import com.netflix.servo.Metric;

import java.util.List;

public class MockMetricPoller extends BaseMetricPoller {

    private List<Metric> metrics;
    private long delay;
    private boolean die;

    public MockMetricPoller() {
        metrics = ImmutableList.of();
        delay = 0L;
    }

    public void setMetrics(List<Metric> metrics) {
        this.metrics = ImmutableList.copyOf(metrics);
    }

    public void setDelay(long delay) {
        this.delay = delay;
    }

    public void setDie(boolean die) {
        this.die = die;
    }

    public List<Metric> pollImpl(boolean reset) {
        if (die) {
            throw new IllegalStateException("die");
        }

        try {
            Thread.sleep(delay);
        } catch (InterruptedException e) {
            System.err.println("Ignoring " + e.getMessage());
        }
        return metrics;
    }
}