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frank-zhangfrank-zhang
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Introduce new resource life cycle listener
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‎core/src/com/cloud/resource/ResourceListener.java‎

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package com.cloud.resource;
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import java.net.URI;
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import java.util.List;
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import java.util.Map;
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import com.cloud.host.HostVO;
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public interface ResourceListener {
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static final Integer EVENT_DISCOVER_BEFORE = 0x1;
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static final Integer EVENT_DISCOVER_AFTER = 0x1 << 1;
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static final Integer EVENT_DELETE_HOST_BEFORE = 0x1 << 2;
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static final Integer EVENT_DELETE_HOST_AFTER = 0x1 << 3;
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static final Integer EVENT_CANCEL_MAINTENANCE_BEFORE = 0x1 << 4;
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static final Integer EVENT_CANCEL_MAINTENANCE_AFTER = 0x1 << 5;
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static final Integer EVENT_PREPARE_MAINTENANCE_BEFORE = 0x1 << 6;
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static final Integer EVENT_PREPARE_MAINTENANCE_AFTER = 0x1 << 7;
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static final Integer EVENT_ALL = (EVENT_DISCOVER_BEFORE | EVENT_DISCOVER_AFTER | EVENT_DELETE_HOST_BEFORE | EVENT_DELETE_HOST_AFTER
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| EVENT_CANCEL_MAINTENANCE_BEFORE | EVENT_CANCEL_MAINTENANCE_AFTER | EVENT_PREPARE_MAINTENANCE_BEFORE | EVENT_PREPARE_MAINTENANCE_AFTER);
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String getName();
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/**
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*
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* @param dcid
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* @param podId
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* @param clusterId
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* @param uri
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* @param username
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* @param password
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* @param hostTags
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*
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* Called before Discover.find()
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*/
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void processDiscoverEventBefore(Long dcid, Long podId, Long clusterId, URI uri, String username, String password, List<String> hostTags);
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/**
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*
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* @param resources
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*
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* Called after Discover.find()
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*/
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void processDiscoverEventAfter(Map<? extends ServerResource, Map<String, String>> resources);
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/**
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*
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* @param host
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*
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* Called before host delete
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*/
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void processDeleteHostEventBefore(HostVO host);
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/**
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*
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* @param host
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*
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* Called after host delete. NOTE param host includes stale data which has been removed from database
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*/
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void processDeletHostEventAfter(HostVO host);
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/**
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*
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* @param hostId
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*
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* Called before AgentManager.cancelMaintenance
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*/
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void processCancelMaintenaceEventBefore(Long hostId);
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/**
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*
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* @param hostId
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*
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* Called after AgentManager.cancelMaintenance
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*/
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void processCancelMaintenaceEventAfter(Long hostId);
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/**
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*
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* @param hostId
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*
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* Called before AgentManager.main
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*/
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void processPrepareMaintenaceEventBefore(Long hostId);
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/**
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*
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* @param hostId
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*
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* Called after AgentManager.main
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*/
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void processPrepareMaintenaceEventAfter(Long hostId);
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}

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