Simple job scheduler with Apache Ant.

jobnet.xml

<?xml version="1.0" ?>
<project default="main" basedir="/path/to">
  <target name="main" depends="begin, A0001, B0001, C0001, end">
  </target>

  <target name="begin">
    <echo>
      Begin execute jobnet.
    </echo>
  </target>

  <target name="A0001">
    <exec executable="${basedir}/A0001.sh"
        failonerror="false"
        resultproperty="a0001">
      <arg value="0"/>
    </exec>
    <condition property="a0001_res"> 
      <equals arg1="0" arg2="${a0001}"/>
    </condition>
  </target>

  <target name="B0001" if="a0001_res">
    <parallel>
      <exec executable="${basedir}/B0001.sh"
        failonerror="false"
        resultproperty="b0001_0">
        <arg value="0"/>
        <arg value="0"/>
      </exec>
      <exec executable="${basedir}/B0001.sh"
        failonerror="false"
        resultproperty="b0001_1">
        <arg value="0"/>
        <arg value="1"/>
      </exec>
      <exec executable="${basedir}/B0001.sh"
        failonerror="false"
        resultproperty="b0001_2">
        <arg value="0"/>
        <arg value="2"/>
      </exec>
    </parallel>
    <condition property="b0001_res">
      <and>
        <equals arg1="0" arg2="${b0001_0}"/>
        <equals arg1="0" arg2="${b0001_1}"/>
        <equals arg1="0" arg2="${b0001_2}"/>
      </and>
    </condition>
  </target>

  <target name="C0001" if="b0001_res">
    <exec executable="${basedir}/C0001.sh"
        failonerror="false"
        resultproperty="c0001">
      <arg value="0"/>
    </exec>
    <condition property="c0001_res">
      <equals arg1="0" arg2="${c0001}"/>
    </condition>
  </target>

  <target name="end">
    <echo>
      End execute jobnet.
    </echo>
  </target>
</project>