javax.persistence.FetchType Java Examples

protected boolean isJpaLazy(Collection<Annotation> annotations, boolean isAssociation) {
	for (Annotation annotation : annotations) {
		if (annotation instanceof OneToMany) {
			OneToMany oneToMany = (OneToMany) annotation;
			return oneToMany.fetch() == FetchType.LAZY;
		}
		if (annotation instanceof ManyToOne) {
			ManyToOne manyToOne = (ManyToOne) annotation;
			return manyToOne.fetch() == FetchType.LAZY;
		}
		if (annotation instanceof ManyToMany) {
			ManyToMany manyToMany = (ManyToMany) annotation;
			return manyToMany.fetch() == FetchType.LAZY;
		}
		if (annotation instanceof ElementCollection) {
			ElementCollection elementCollection = (ElementCollection) annotation;
			return elementCollection.fetch() == FetchType.LAZY;
		}
	}
	return isAssociation;
}
 

@XmlTransient
 @LazyCollection(LazyCollectionOption.EXTRA)
 @ManyToMany(fetch=FetchType.LAZY, cascade=CascadeType.ALL)
 @JoinTable(name = "role_mappings", joinColumns = { 
@JoinColumn(name = "user_id", nullable = false, updatable = false) }, 
inverseJoinColumns = { @JoinColumn(name = "role", 
		nullable = false, updatable = false) })
 public List<Role> getRoles() {return _roles;}
 

/**
 * @return the channels
 */
@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(name = "suseImageInfoChannel",
    joinColumns = {
        @JoinColumn(name = "image_info_id", nullable = false, updatable = false)},
    inverseJoinColumns = {
        @JoinColumn(name = "channel_id", nullable = false, updatable = false)}
)
public Set<Channel> getChannels() {
    return channels;
}
 

/**
 * @return the installed products
 */
@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(name = "suseImageInfoInstalledProduct",
    joinColumns = {
        @JoinColumn(name = "image_info_id", nullable = false, updatable = false)},
    inverseJoinColumns = {
        @JoinColumn(name = "installed_product_id", nullable = false, updatable = false)
})
public Set<InstalledProduct> getInstalledProducts() {
    return installedProducts;
}
 

@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(name = "org_role_resource_rel", 
	joinColumns = {@JoinColumn(name = "role_id")},
	inverseJoinColumns = {@JoinColumn(name = "resources_id")})
public Set<Resource> getResources() {
	return resources;
}
 

private void getFetchType(AnnotationDescriptor descriptor, Element element) {
	String fetchString = element != null ? element.attributeValue( "fetch" ) : null;
	if ( fetchString != null ) {
		if ( "eager".equalsIgnoreCase( fetchString ) ) {
			descriptor.setValue( "fetch", FetchType.EAGER );
		}
		else if ( "lazy".equalsIgnoreCase( fetchString ) ) {
			descriptor.setValue( "fetch", FetchType.LAZY );
		}
	}
}
 

public static FetchMode getFetchMode(FetchType fetch) {
	if ( fetch == FetchType.EAGER ) {
		return FetchMode.JOIN;
	}
	else {
		return FetchMode.SELECT;
	}
}
 

/**
 * @return the tableproperty
 */
@Where(clause="impfield=0")	//不载入 设置为 禁用 导入导出的字段
@OneToMany(cascade = CascadeType.ALL,fetch = FetchType.EAGER)
@JoinColumn(name = "dbtableid")
@OrderBy("sortindex")
public List<TableProperties> getTableproperty() {
	return tableproperty;
}
 

@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(name = "org_user_role_rel", 
		joinColumns = {@JoinColumn(name = "user_id")}, 
		inverseJoinColumns = {@JoinColumn(name = "role_id")})
@Where(clause="delete_flag=0")
@OrderBy("no")
public Set<Role> getRoles() {
	return roles;
}
 

/**
 * @return the patches
 */
@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(name = "rhnImageNeededErrataCache",
        joinColumns = {@JoinColumn(name = "image_id")},
        inverseJoinColumns = {@JoinColumn(name = "errata_id")}
)
public Set<PublishedErrata> getPatches() {
    return patches;
}
 

/**
 * Gets the contentProject.
 *
 * @return contentProject
 */
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "project_id")
public ContentProject getContentProject() {
    return contentProject;
}
 

/**
 * @return Returns the repoId.
 */
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "repo_id", nullable = false)
public SCCRepository getRepository() {
    return repository;
}
 

/**
 * @return Returns the root product.
 */
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "root_product_id", nullable = false)
public SUSEProduct getRootProduct() {
    return rootProduct;
}
 

/**
 * @return Returns the product.
 */
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "product_id", nullable = false)
public SUSEProduct getProduct() {
    return product;
}
 

/**
 * Gets the contentEnvironment.
 *
 * @return contentEnvironment
 */
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "env_id")
public ContentEnvironment getContentEnvironment() {
    return contentEnvironment;
}
 

@ManyToOne(fetch=FetchType.LAZY)
public Resource getResource() {
	return resource;
}
 

@ManyToOne(fetch = FetchType.EAGER)
   @JoinColumn(name="tableproperty")
@NotFound(action=NotFoundAction.IGNORE)
public TableProperties getTableproperty() {
	return tableproperty;
}
 

@Override
@ManyToMany(fetch=FetchType.LAZY)
@JoinTable(name = "sys_user_authority")
public Set<SysAuthority> getAuthorities() {
	return authorities;
}
 

@ManyToOne(fetch=FetchType.LAZY)
public SysUser getUser() {
	return user;
}
 

@ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
public SequencedAddress getAddress() {
    return address;
}
 

@ManyToOne(fetch=FetchType.LAZY)
public Resource getResource() {
	return resource;
}
 

@ManyToOne(fetch = FetchType.LAZY)
public Question getQuestion() {
	return question;
}
 

@OneToOne(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
public BrowserSpecs getBrowserSpecs() {
  return this.browserSpecs;
}
 

@XmlTransient
@LazyCollection(LazyCollectionOption.EXTRA)
@OneToMany(mappedBy = "user", orphanRemoval=true, fetch=FetchType.LAZY, cascade=CascadeType.ALL)
public List<Media> getMedia() {return media;}
 

@ManyToOne(fetch = FetchType.EAGER)
public Empresa getEmpresa() {
	return empresa;
}
 

/**
 * @return org to get
 */
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "org_id")
public Org getOrg() {
    return org;
}
 

@ManyToOne(fetch=FetchType.LAZY)
public Question getQuestion() {
	return question;
}
 

@ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
public SequencedAddress getAddress() {
    return address;
}
 

/**
 * @return the custom data values
 */
@OneToMany(fetch = FetchType.LAZY, mappedBy = "imageInfo", cascade = CascadeType.ALL)
public Set<ImageInfoCustomDataValue> getCustomDataValues() {
    return customDataValues;
}
 

/**
 * @return the nextEnvironment
 */
@OneToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
@JoinColumn(name = "next_env_id")
protected ContentEnvironment getNextEnvironment() {
    return nextEnvironment;
}