JobStack.java

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//   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.doris.nereids.jobs.scheduler;

import org.apache.doris.nereids.jobs.Job;

import java.util.Stack;

/**
 * LIFO implementation of {@link JobPool}.
 */
public class JobStack implements JobPool {
    Stack<Job> stack = new Stack<>();

    @Override
    public void push(Job job) {
        stack.push(job);
    }

    @Override
    public Job pop() {
        return stack.pop();
    }

    @Override
    public boolean isEmpty() {
        return stack.isEmpty();
    }
}