Cluster details java files

This commit is contained in:
Kelven Yang 2011-01-04 02:44:36 -08:00
parent ce517a890f
commit 962aea710b
3 changed files with 148 additions and 0 deletions

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package com.cloud.dc;
import java.util.Map;
import com.cloud.utils.db.GenericDao;
public interface ClusterDetailsDao extends GenericDao<ClusterDetailsVO, Long> {
Map<String, String> findDetails(long clusterId);
void persist(long clusterId, Map<String, String> details);
ClusterDetailsVO findDetail(long clusterId, String name);
void deleteDetails(long clusterId);
}

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package com.cloud.dc;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.ejb.Local;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.Transaction;
@Local(value=ClusterDetailsDao.class)
public class ClusterDetailsDaoImpl extends GenericDaoBase<ClusterDetailsVO, Long> implements ClusterDetailsDao {
protected final SearchBuilder<ClusterDetailsVO> ClusterSearch;
protected final SearchBuilder<ClusterDetailsVO> DetailSearch;
protected ClusterDetailsDaoImpl() {
ClusterSearch = createSearchBuilder();
ClusterSearch.and("clusterId", ClusterSearch.entity().getClusterId(), SearchCriteria.Op.EQ);
ClusterSearch.done();
DetailSearch = createSearchBuilder();
DetailSearch.and("clusterId", DetailSearch.entity().getClusterId(), SearchCriteria.Op.EQ);
DetailSearch.and("name", DetailSearch.entity().getName(), SearchCriteria.Op.EQ);
DetailSearch.done();
}
@Override
public ClusterDetailsVO findDetail(long clusterId, String name) {
SearchCriteria<ClusterDetailsVO> sc = DetailSearch.create();
sc.setParameters("clusterId", clusterId);
sc.setParameters("name", name);
return findOneIncludingRemovedBy(sc);
}
@Override
public Map<String, String> findDetails(long clusterId) {
SearchCriteria<ClusterDetailsVO> sc = ClusterSearch.create();
sc.setParameters("clusterId", clusterId);
List<ClusterDetailsVO> results = search(sc, null);
Map<String, String> details = new HashMap<String, String>(results.size());
for (ClusterDetailsVO result : results) {
details.put(result.getName(), result.getValue());
}
return details;
}
@Override
public void deleteDetails(long clusterId) {
SearchCriteria sc = ClusterSearch.create();
sc.setParameters("clusterId", clusterId);
List<ClusterDetailsVO> results = search(sc, null);
for (ClusterDetailsVO result : results) {
remove(result.getId());
}
}
@Override
public void persist(long clusterId, Map<String, String> details) {
Transaction txn = Transaction.currentTxn();
txn.start();
SearchCriteria<ClusterDetailsVO> sc = ClusterSearch.create();
sc.setParameters("clusterId", clusterId);
expunge(sc);
for (Map.Entry<String, String> detail : details.entrySet()) {
ClusterDetailsVO vo = new ClusterDetailsVO(clusterId, detail.getKey(), detail.getValue());
persist(vo);
}
txn.commit();
}
}

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package com.cloud.dc;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name="cluster_details")
public class ClusterDetailsVO {
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
@Column(name="id")
private long id;
@Column(name="cluster_id")
private long clusterId;
@Column(name="name")
private String name;
@Column(name="value")
private String value;
protected ClusterDetailsVO() {
}
public ClusterDetailsVO(long clusterId, String name, String value) {
this.clusterId = clusterId;
this.name = name;
this.value = value;
}
public long getClusterId() {
return clusterId;
}
public String getName() {
return name;
}
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
public long getId() {
return id;
}
}