gistfile1.groovy

apply plugin: 'java'

task runDBTask(type: JavaExec) {
    main = 'DBTask'
    classpath = sourceSets.main.runtimeClasspath
}

task runPollTask(type: JavaExec, dependsOn: 'runDBTask') {
    main = 'PollTask'
    classpath = sourceSets.main.runtimeClasspath
    doFirst {
        Thread.sleep(2000)
    }
}