Wie setze ich den Standardwert in Spalte Annotation

Question

Ich bin neu in Java. Ich habe eine Entitätsklasse erstellt. wo ich einen Standardwert für ein Feld wollte. Ich habe versucht, @Column(name = "ProjectStatus", nullable = false,columnDefinition = "varchar(50) default 'start'") Annotations aber immer Fehler

meine Entitätsklasse ist

package com.ults.hrms.model; 

// default package 
// Generated 17 Jan, 2017 12:04:43 PM by Hibernate Tools 3.4.0.CR1 

import java.util.Date; 

import javax.persistence.Column; 
import javax.persistence.Entity; 
import javax.persistence.GeneratedValue; 

import static javax.persistence.GenerationType.IDENTITY; 

import javax.persistence.Id; 
import javax.persistence.Table; 
import javax.persistence.Temporal; 
import javax.persistence.TemporalType; 

import org.hibernate.annotations.ColumnDefault; 


@Entity 
@Table(name = "t_projectmaster", catalog = "db_hrms") 
public class Projectmaster implements java.io.Serializable { 

    private Integer projectId; 
    private String projectUserIdtemp; 
    private String projectUserIdper; 
    private String projectName; 
    private String clentName; 
    private String projectDesc; 
    private Double projectValue; 
    private String projectTax; 
    private Date targetDate; 
    private Integer accountmanager; 
    private Integer projectManager; 
    private byte[] pofile; 
    private byte[] agreementFile; 
    /*@Column(name = "ProjectStatus",columnDefinition = "varchar(50) default 'ToStart'")*/ 
    private String projectStatus; 
    private Boolean actvieStatus; 
    private Date creationDate; 
    private Date modifiedDate; 
    private Integer userId; 
    private String remarks; 

    public Projectmaster() { 
    } 

    public Projectmaster(String projectStatus) { 
     this.projectStatus = projectStatus; 
    } 

    public Projectmaster(String projectUserIdtemp, String projectUserIdper, 
      String projectName, String clentName, String projectDesc, 
      Double projectValue, String projectTax, Date targetDate, 
      Integer accountmanager, Integer projectManager, byte[] pofile, 
      byte[] agreementFile, String projectStatus, Boolean actvieStatus, 
      Date creationDate, Date modifiedDate, Integer userId, String remarks) { 
     this.projectUserIdtemp = projectUserIdtemp; 
     this.projectUserIdper = projectUserIdper; 
     this.projectName = projectName; 
     this.clentName = clentName; 
     this.projectDesc = projectDesc; 
     this.projectValue = projectValue; 
     this.projectTax = projectTax; 
     this.targetDate = targetDate; 
     this.accountmanager = accountmanager; 
     this.projectManager = projectManager; 
     this.pofile = pofile; 
     this.agreementFile = agreementFile; 
     this.projectStatus = projectStatus; 
     this.actvieStatus = actvieStatus; 
     this.creationDate = creationDate; 
     this.modifiedDate = modifiedDate; 
     this.userId = userId; 
     this.remarks = remarks; 
    } 

    @Id 
    @GeneratedValue(strategy = IDENTITY) 
    @Column(name = "ProjectID", unique = true, nullable = false) 
    public Integer getProjectId() { 
     return this.projectId; 
    } 

    public void setProjectId(Integer projectId) { 
     this.projectId = projectId; 
    } 

    @Column(name = "ProjectUserIDTemp", length = 50) 
    public String getProjectUserIdtemp() { 
     return this.projectUserIdtemp; 
    } 

    public void setProjectUserIdtemp(String projectUserIdtemp) { 
     this.projectUserIdtemp = projectUserIdtemp; 
    } 

    @Column(name = "ProjectUserIDPer", length = 50) 
    public String getProjectUserIdper() { 
     return this.projectUserIdper; 
    } 

    public void setProjectUserIdper(String projectUserIdper) { 
     this.projectUserIdper = projectUserIdper; 
    } 

    @Column(name = "ProjectName") 
    public String getProjectName() { 
     return this.projectName; 
    } 

    public void setProjectName(String projectName) { 
     this.projectName = projectName; 
    } 

    @Column(name = "ClentName", length = 100) 
    public String getClentName() { 
     return this.clentName; 
    } 

    public void setClentName(String clentName) { 
     this.clentName = clentName; 
    } 

    @Column(name = "ProjectDesc", length = 65535) 
    public String getProjectDesc() { 
     return this.projectDesc; 
    } 

    public void setProjectDesc(String projectDesc) { 
     this.projectDesc = projectDesc; 
    } 

    @Column(name = "ProjectValue", precision = 22, scale = 0) 
    public Double getProjectValue() { 
     return this.projectValue; 
    } 

    public void setProjectValue(Double projectValue) { 
     this.projectValue = projectValue; 
    } 

    @Column(name = "ProjectTax", length = 50) 
    public String getProjectTax() { 
     return this.projectTax; 
    } 

    public void setProjectTax(String projectTax) { 
     this.projectTax = projectTax; 
    } 

    @Temporal(TemporalType.DATE) 
    @Column(name = "TargetDate", length = 10) 
    public Date getTargetDate() { 
     return this.targetDate; 
    } 

    public void setTargetDate(Date targetDate) { 
     this.targetDate = targetDate; 
    } 

    @Column(name = "Accountmanager") 
    public Integer getAccountmanager() { 
     return this.accountmanager; 
    } 

    public void setAccountmanager(Integer accountmanager) { 
     this.accountmanager = accountmanager; 
    } 

    @Column(name = "ProjectManager") 
    public Integer getProjectManager() { 
     return this.projectManager; 
    } 

    public void setProjectManager(Integer projectManager) { 
     this.projectManager = projectManager; 
    } 

    @Column(name = "POFile") 
    public byte[] getPofile() { 
     return this.pofile; 
    } 

    public void setPofile(byte[] pofile) { 
     this.pofile = pofile; 
    } 

    @Column(name = "AgreementFile") 
    public byte[] getAgreementFile() { 
     return this.agreementFile; 
    } 

    public void setAgreementFile(byte[] agreementFile) { 
     this.agreementFile = agreementFile; 
    } 

    @Column(name = "ProjectStatus", nullable = false,columnDefinition = "varchar(50) default 'start'") 
    public String getProjectStatus() { 
     return this.projectStatus; 
    } 

    public void setProjectStatus(String projectStatus) { 
     this.projectStatus = projectStatus; 
    } 

    @Column(name = "ActvieStatus") 
    public Boolean getActvieStatus() { 
     return this.actvieStatus; 
    } 

    public void setActvieStatus(Boolean actvieStatus) { 
     this.actvieStatus = actvieStatus; 
    } 

    @Temporal(TemporalType.TIMESTAMP) 
    @Column(name = "CreationDate",columnDefinition = "DATE DEFAULT CURRENT_DATE", length = 19) 
    public Date getCreationDate() { 
     return this.creationDate; 
    } 

    public void setCreationDate(Date creationDate) { 
     this.creationDate = creationDate; 
    } 

    @Temporal(TemporalType.TIMESTAMP) 
    @Column(name = "ModifiedDate", length = 19) 
    public Date getModifiedDate() { 
     return this.modifiedDate; 
    } 

    public void setModifiedDate(Date modifiedDate) { 
     this.modifiedDate = modifiedDate; 
    } 

    @Column(name = "UserID") 
    public Integer getUserId() { 
     return this.userId; 
    } 

    public void setUserId(Integer userId) { 
     this.userId = userId; 
    } 

    @Column(name = "Remarks", length = 65535) 
    public String getRemarks() { 
     return this.remarks; 
    } 

    public void setRemarks(String remarks) { 
     this.remarks = remarks; 
    } 

} 

Answer 1

Dies wird für Sie arbeiten,

das Attribut Initialisiere während nur Objekt zu erzeugen.

private String projectStatus = "start";