deleteNode.groovy

import org.apache.jackrabbit.oak.commons.PathUtils

def deleteNodes(def session, String toDelete) {
  def EMPTY = org.apache.jackrabbit.oak.spi.commit.CommitInfo.EMPTY
  def INSTANCE = org.apache.jackrabbit.oak.spi.commit.EmptyHook.INSTANCE

  def store = session.store
  
  def rootBuilder = store.getRoot().builder()
  def builder = rootBuilder

  for (String elem : PathUtils.elements(toDelete)) {
    builder = builder.getChildNode(elem);
  }

  builder.remove()

  store.merge(rootBuilder, INSTANCE, EMPTY)
}

rmWorkflowInstances.groovy

import org.apache.jackrabbit.oak.spi.commit.CommitInfo
import org.apache.jackrabbit.oak.spi.commit.EmptyHook
import org.apache.jackrabbit.oak.spi.state.NodeStore
import org.apache.jackrabbit.oak.commons.PathUtils

def rmNode(def session, String path) {
    println "Removing node ${path}"

    NodeStore ns = session.store
    def nb = ns.root.builder()

    def aBuilder = nb
    for(p in PathUtils.elements(path)) {  aBuilder = aBuilder.getChildNode(p) }

    if(aBuilder.exists()) {
        rm = aBuilder.remove()
        ns.merge(nb, EmptyHook.INSTANCE, CommitInfo.EMPTY)
        return rm
    } else {
        println "Node ${path} doesn't exist"
        return false
    }
}

rmNode(session, '/var/workflow/instances/server0');
rmNode(session, '/var/workflow/instances/server1');
rmNode(session, '/var/workflow/instances/server2');
rmNode(session, '/var/workflow/instances/server3');

delete(session, '/oak:index/cqMobileAppLucene/:suggest-data')