yyg1107

（二）Decision
package ?kellerdu.jbpm.delegation;?
import ?org.jbpm.delegation. * ;
import ?kellerdu.jbpm.LogsFactory;
import ?org.apache.commons.logging.Log;
import ?kellerdu.jbpm.Constants;

public ? class ?ChiefDecision? implements ?DecisionHandler? {
???? public ?ChiefDecision()? {
????}

???? /**?*/ /**
?????*?判斷是否需要主管批準，決定下一個要進行的transition
?????*
?????*? @param ?executionContext?ExecutionContext
?????*? @return ?String
?????*?@todo?Implement?this?org.jbpm.delegation.DecisionHandler?method
????? */
???? public ?String?decide(ExecutionContext?executionContext)? {
????????Log?log = LogsFactory.getLogInstance( this .getClass());
????????String?ac = (String)executionContext.getVariable(Constants.USER_NAME);
???????? if (ac != null && (ac.equals( " dali " ) || ac.equals( " wang " ))) {
????????????log.info(ac + " 需要老板批準！ " );
???????????? return ? " BossApprove " ;
????????} else {
????????????log.info(ac + " 需要先經主管批準 " );
???????????? return ? " ChiefApprove " ;
????????}
????}
}

（三）fork
package ?kellerdu.jbpm.delegation;

import ?org.jbpm. * ;
import ?org.jbpm.delegation. * ;
import ?org.jbpm.model.execution. * ;
import ?java.util. * ;

public ? class ?DecidedJoin? implements ?JoinHandler? {
???? public ?DecidedJoin()? {
????}

???? /**?*/ /**
?????*?fork，只要一個分支到達，即可進行下一步操作，同時取消其它同時進行的分支。
?????*?這里就是用戶如果取消，請假就取消。如果用戶請假批準，則用戶不能取消。
?????*
?????*? @param ?forkContext?ForkContext
?????*? @throws ?ExecutionException
?????*?@todo?Implement?this?org.jbpm.delegation.ForkHandler?method
????? */
???? public ? void ?join(JoinContext?joinContext)? throws ?ExecutionException? {
????????Iterator?it = joinContext.getConcurrentTokens().values().iterator();
????????Token?arrivingToken? = ?joinContext.getToken();
???????? while (it.hasNext()) {
????????????Token?to = (Token)it.next();
???????????? if (to.getId().equals(arrivingToken.getId())) {
???????????????? // 取消其它執行的Token
????????????????joinContext.getExecutionService().cancelToken(to.getId());
????????????}
????????}
????????? // ?reactivate?the?parent?token.
??????????joinContext.reactivateToken(?arrivingToken.getParent()?);
????}
}