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 Post subject: Locking
PostPosted: Fri Mar 16, 2012 1:57 pm 
Newbie

Joined: Mon Mar 12, 2012 1:38 pm
Posts: 4
Hi Can any one give me sample on locking using hibernte or java??
I need to create a lock on jobalias column for the below table ,which wld be row level locking.
andd how to release the lock.so that other user can perform something functionally /update .



import java.io.Serializable;
import java.sql.Timestamp;
import java.util.Set;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.persistence.Table;

import com.ibm.shuttle.services.JobService;

/**
* Entity class which binds to "WEB_UI_JOB" table.
*
*/

@Entity
@Table(name="WEB_UI_JOB")
public class Job implements Serializable {
@Id
@Column(name="JOB_ALIAS")
private String jobAlias;

@Column(name="JOB_TITLE")
private String jobTitle;

@Column(name="JOB_PURPOSE")
private String jobPurpose;

@Column(name="JOB_DESCRIPTION")
private String jobDescription;

@Column(name="JOB_STRING")
private String jobString;

@Column(name="TARGET_PATH")
private String targetPath;

@Column(name="FTP_FILENAME")
private String ftpFilename;

@Column(name="FTP_JOB_ALIAS")
private String ftpJobAlias;

@Column(name="CAPTURE_RUN")
private String captureRun;

@Column(name="CAPTURE_RC")
private String captureRc;

@Column(name="CAPTURE_OUTPUT")
private String captureOutput;

@Column(name="JOB_SYNCH_TYPE")
private String jobSynchType;

@Column(name="EXPECTED_RUN_TIME")
private short expectedRunTime;

@Column(name="CHANGE_REASON")
private String changeReason;

@Column(name = "USERID")
private String userid;

@Column(name = "DTUPDATE")
private Timestamp dtupdate;

@ManyToOne
@JoinColumn(name="SERVER_ALIAS")
private Server serverAlias;

@OneToMany(mappedBy="jobAlias")
private Set<JobHist> webUiJobHistCollection;

@OneToMany(mappedBy="jobAlias")
private Set<JobFunction> webUiJobFunctionCollection;

@OneToMany(mappedBy="jobAlias")
private Set<JobLock> webUiJobLockCollection;

private static final long serialVersionUID = 1L;

public Job() {
super();
}

public String getJobAlias() {
return this.jobAlias;
}

public void setJobAlias(String jobAlias) {
this.jobAlias = jobAlias;
}

public String getJobTitle() {
return this.jobTitle;
}

public void setJobTitle(String jobTitle) {
this.jobTitle = jobTitle;
}

public String getJobPurpose() {
return this.jobPurpose;
}

public void setJobPurpose(String jobPurpose) {
this.jobPurpose = jobPurpose;
}

public String getJobDescription() {
return this.jobDescription;
}

public void setJobDescription(String jobDescription) {
this.jobDescription = jobDescription;
}

public String getJobString() {
return this.jobString;
}

public void setJobString(String jobString) {
this.jobString = jobString;
}

public String getTargetPath() {
return this.targetPath;
}

public void setTargetPath(String targetPath) {
this.targetPath = targetPath;
}

public String getFtpFilename() {
return this.ftpFilename;
}

public void setFtpFilename(String ftpFilename) {
this.ftpFilename = ftpFilename;
}

public String getFtpJobAlias() {
return this.ftpJobAlias;
}

public void setFtpJobAlias(String ftpJobAlias) {
this.ftpJobAlias = ftpJobAlias;
}

public String getCaptureRun() {
return this.captureRun;
}

public void setCaptureRun(String captureRun) {
this.captureRun = captureRun;
}

public String getCaptureRc() {
return this.captureRc;
}

public void setCaptureRc(String captureRc) {
this.captureRc = captureRc;
}

public String getCaptureOutput() {
return this.captureOutput;
}

public void setCaptureOutput(String captureOutput) {
this.captureOutput = captureOutput;
}

public String getJobSynchType() {
return this.jobSynchType;
}

public void setJobSynchType(String jobSynchType) {
this.jobSynchType = jobSynchType;
}

public short getExpectedRunTime() {
return this.expectedRunTime;
}

public void setExpectedRunTime(short expectedRunTime) {
this.expectedRunTime = expectedRunTime;
}

public String getChangeReason() {
return this.changeReason;
}

public void setChangeReason(String changeReason) {
this.changeReason = changeReason;
}

public String getUserid() {
return this.userid;
}

public void setUserid(String userid) {
this.userid = userid;
}

public Timestamp getDtupdate() {
return this.dtupdate;
}

public void setDtupdate(Timestamp dtupdate) {
this.dtupdate = dtupdate;
}

public Server getServerAlias() {
return this.serverAlias;
}

public void setServerAlias(Server serverAlias) {
this.serverAlias = serverAlias;
}

public Set<JobHist> getWebUiJobHistCollection() {
return this.webUiJobHistCollection;
}

public void setWebUiJobHistCollection(Set<JobHist> webUiJobHistCollection) {
this.webUiJobHistCollection = webUiJobHistCollection;
}

public Set<JobFunction> getWebUiJobFunctionCollection() {
return this.webUiJobFunctionCollection;
}

public void setWebUiJobFunctionCollection(Set<JobFunction> webUiJobFunctionCollection) {
this.webUiJobFunctionCollection = webUiJobFunctionCollection;
}

public Set<JobLock> getWebUiJobLockCollection() {
return this.webUiJobLockCollection;
}

public void setWebUiJobLockCollection(Set<JobLock> webUiJobLockCollection) {
this.webUiJobLockCollection = webUiJobLockCollection;
}
public String getStatus(){
String joblogLine=null;String status=null;
JobService jobService=new JobService();
joblogLine=jobService.jobLogline(jobAlias);
if((joblogLine!=null)|| (!joblogLine.equals("")))
status=jobService.parseJobLogLine(joblogLine);
else{
status="NEW";
}
return status;
}
}


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