我有一个实体“产品”，它为另一个名为“文档”的类重新获得2个外键。这些外键也是Product类中的主键。我正在构建这样的代码，但是当我在eclipse中打开JPA内容图时，他说外键只是一个属性，而不是主键。
文件：
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.IdClass;
import javax.persistence.Table;
@Table(name = "DOCUMENT")
@Entity
@IdClass(DocumentId.class)
public class Document {
@Id
private String typeDocument;
@Id
private String documentId;
@Id
private String version;
@Id
private String part;
@Id
private String fileId;
@Id
private String typeFile;
@Id
private String salesOrganizationId;
private String productCenterSupplierId;
}
DocumentId：
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Embeddable;
@Embeddable
public class DocumentId implements Serializable {
private static final long serialVersionUID = 1L;
@Column(name = "TYPE_DOCUMENT", length = 3)
private String typeDocument;
@Column(name = "DOCUMENT_ID", length = 25)
private String documentId;
@Column(name = "VERSION", length = 2)
private String version;
@Column(name = "PART", length = 3)
private String part;
@Column(name = "FILE_ID", length = 32)
private String fileId;
@Column(name = "TYPE_FILE", length = 3)
private String typeFile;
@Column(name = "SALES_ORGANIZATION_ID", length = 4)
private String salesOrganizationId;
@Column(name = "PRODUCT_CENTER_SUPPLIER_ID", length = 4)
private String productCenterSupplierId;
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((documentId == null) ? 0 : documentId.hashCode());
result = prime * result + ((fileId == null) ? 0 : fileId.hashCode());
result = prime * result + ((part == null) ? 0 : part.hashCode());
result = prime * result + ((productCenterSupplierId == null) ? 0 : productCenterSupplierId.hashCode());
result = prime * result + ((salesOrganizationId == null) ? 0 : salesOrganizationId.hashCode());
result = prime * result + ((typeDocument == null) ? 0 : typeDocument.hashCode());
result = prime * result + ((typeFile == null) ? 0 : typeFile.hashCode());
result = prime * result + ((version == null) ? 0 : version.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
DocumentId other = (DocumentId) obj;
if (documentId == null) {
if (other.documentId != null)
return false;
} else if (!documentId.equals(other.documentId))
return false;
if (fileId == null) {
if (other.fileId != null)
return false;
} else if (!fileId.equals(other.fileId))
return false;
if (part == null) {
if (other.part != null)
return false;
} else if (!part.equals(other.part))
return false;
if (productCenterSupplierId == null) {
if (other.productCenterSupplierId != null)
return false;
} else if (!productCenterSupplierId.equals(other.productCenterSupplierId))
return false;
if (salesOrganizationId == null) {
if (other.salesOrganizationId != null)
return false;
} else if (!salesOrganizationId.equals(other.salesOrganizationId))
return false;
if (typeDocument == null) {
if (other.typeDocument != null)
return false;
} else if (!typeDocument.equals(other.typeDocument))
return false;
if (typeFile == null) {
if (other.typeFile != null)
return false;
} else if (!typeFile.equals(other.typeFile))
return false;
if (version == null) {
if (other.version != null)
return false;
} else if (!version.equals(other.version))
return false;
return true;
}
}
产品编号：
import java.io.Serializable;
import java.text.DecimalFormat;
import javax.persistence.Column;
import javax.persistence.Embeddable;
import javax.persistence.OneToOne;
@Embeddable
public class ProductId implements Serializable {
private static final long serialVersionUID = 1L;
@Column(name = "PRODUCT_ID", length = 18)
private String productId;
@Column(name = "SALES_ORGANIZATION_ID", length = 4)
private String salesOrganizationId;
@Column(name = "BUSINESS_SECTOR", length = 2)
private String businessSectorId;
@Column(name = "SALES_OFFICE_ID", length = 4)
private String salesOfficeId;
@Column(name = "DISTRIBUTION_CHANNEL_ID", length = 2)
private String distributionChannelId;
@OneToOne
private Document documentId;
@OneToOne
private Document Version;
@Column(name = "PRODUCT_NAME", length = 40)
private String productName;
@Column(name = "VOLUME")
private DecimalFormat volume;
@Column(name = "HEIGHT")
private DecimalFormat height;
@Column(name = "WIDTH")
private DecimalFormat width;
@Column(name = "LENGTH")
private DecimalFormat length;
@Column(name = "WEIGHT_NET")
private DecimalFormat weightNet;
@Column(name = "WEIGHT_GROSS")
private DecimalFormat weightGross;
@Column(name = "NAME", length = 60)
private String name;
@Column(name = "HIERARCHY", length = 18)
private String hierarchy;
@Column(name = "CATEGORY_GROUP", length = 4)
private String categoryGroup;
@Column(name = "UNIT_MEASUREMENT", length = 3)
private String unitMeasurement;
@Column(name = "ORIGIN", length = 1)
private String origin;
@Column(name = "CLASSIFICATION_ID", length = 1)
private String classificationId;
@Column(name = "TEXT_COMPLEMENTAR", length = 80)
private String textComplementar;
@Column(name = "TAX_CLASSIFICATION", length = 16)
private String taxClassification;
@Column(name = "BAR_CODE_DUN14", length = 18)
private String barCodeDun14;
@Column(name = "BAR_CODE_EAN", length = 18)
private String barCodeEan;
@Column(name = "MULTIPLE")
private DecimalFormat multiple;
@Column(name = "CUBAGE")
private DecimalFormat cubage;
@Column(name = "CONTROL_CODE_TAX", length = 16)
private String controlCodeTax;
@Column(name = "CLASS", length = 20)
private String classificationDesc;
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((Version == null) ? 0 : Version.hashCode());
result = prime * result + ((barCodeDun14 == null) ? 0 : barCodeDun14.hashCode());
result = prime * result + ((barCodeEan == null) ? 0 : barCodeEan.hashCode());
result = prime * result + ((businessSectorId == null) ? 0 : businessSectorId.hashCode());
result = prime * result + ((categoryGroup == null) ? 0 : categoryGroup.hashCode());
result = prime * result + ((classificationDesc == null) ? 0 : classificationDesc.hashCode());
result = prime * result + ((classificationId == null) ? 0 : classificationId.hashCode());
result = prime * result + ((controlCodeTax == null) ? 0 : controlCodeTax.hashCode());
result = prime * result + ((cubage == null) ? 0 : cubage.hashCode());
result = prime * result + ((distributionChannelId == null) ? 0 : distributionChannelId.hashCode());
result = prime * result + ((documentId == null) ? 0 : documentId.hashCode());
result = prime * result + ((height == null) ? 0 : height.hashCode());
result = prime * result + ((hierarchy == null) ? 0 : hierarchy.hashCode());
result = prime * result + ((length == null) ? 0 : length.hashCode());
result = prime * result + ((multiple == null) ? 0 : multiple.hashCode());
result = prime * result + ((name == null) ? 0 : name.hashCode());
result = prime * result + ((origin == null) ? 0 : origin.hashCode());
result = prime * result + ((productId == null) ? 0 : productId.hashCode());
result = prime * result + ((productName == null) ? 0 : productName.hashCode());
result = prime * result + ((salesOfficeId == null) ? 0 : salesOfficeId.hashCode());
result = prime * result + ((salesOrganizationId == null) ? 0 : salesOrganizationId.hashCode());
result = prime * result + ((taxClassification == null) ? 0 : taxClassification.hashCode());
result = prime * result + ((textComplementar == null) ? 0 : textComplementar.hashCode());
result = prime * result + ((unitMeasurement == null) ? 0 : unitMeasurement.hashCode());
result = prime * result + ((volume == null) ? 0 : volume.hashCode());
result = prime * result + ((weightGross == null) ? 0 : weightGross.hashCode());
result = prime * result + ((weightNet == null) ? 0 : weightNet.hashCode());
result = prime * result + ((width == null) ? 0 : width.hashCode());
return result;
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
ProductId other = (ProductId) obj;
if (Version == null) {
if (other.Version != null)
return false;
} else if (!Version.equals(other.Version))
return false;
if (barCodeDun14 == null) {
if (other.barCodeDun14 != null)
return false;
} else if (!barCodeDun14.equals(other.barCodeDun14))
return false;
if (barCodeEan == null) {
if (other.barCodeEan != null)
return false;
} else if (!barCodeEan.equals(other.barCodeEan))
return false;
if (businessSectorId == null) {
if (other.businessSectorId != null)
return false;
} else if (!businessSectorId.equals(other.businessSectorId))
return false;
if (categoryGroup == null) {
if (other.categoryGroup != null)
return false;
} else if (!categoryGroup.equals(other.categoryGroup))
return false;
if (classificationDesc == null) {
if (other.classificationDesc != null)
return false;
} else if (!classificationDesc.equals(other.classificationDesc))
return false;
if (classificationId == null) {
if (other.classificationId != null)
return false;
} else if (!classificationId.equals(other.classificationId))
return false;
if (controlCodeTax == null) {
if (other.controlCodeTax != null)
return false;
} else if (!controlCodeTax.equals(other.controlCodeTax))
return false;
if (cubage == null) {
if (other.cubage != null)
return false;
} else if (!cubage.equals(other.cubage))
return false;
if (distributionChannelId == null) {
if (other.distributionChannelId != null)
return false;
} else if (!distributionChannelId.equals(other.distributionChannelId))
return false;
if (documentId == null) {
if (other.documentId != null)
return false;
} else if (!documentId.equals(other.documentId))
return false;
if (height == null) {
if (other.height != null)
return false;
} else if (!height.equals(other.height))
return false;
if (hierarchy == null) {
if (other.hierarchy != null)
return false;
} else if (!hierarchy.equals(other.hierarchy))
return false;
if (length == null) {
if (other.length != null)
return false;
} else if (!length.equals(other.length))
return false;
if (multiple == null) {
if (other.multiple != null)
return false;
} else if (!multiple.equals(other.multiple))
return false;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
if (origin == null) {
if (other.origin != null)
return false;
} else if (!origin.equals(other.origin))
return false;
if (productId == null) {
if (other.productId != null)
return false;
} else if (!productId.equals(other.productId))
return false;
if (productName == null) {
if (other.productName != null)
return false;
} else if (!productName.equals(other.productName))
return false;
if (salesOfficeId == null) {
if (other.salesOfficeId != null)
return false;
} else if (!salesOfficeId.equals(other.salesOfficeId))
return false;
if (salesOrganizationId == null) {
if (other.salesOrganizationId != null)
return false;
} else if (!salesOrganizationId.equals(other.salesOrganizationId))
return false;
if (taxClassification == null) {
if (other.taxClassification != null)
return false;
} else if (!taxClassification.equals(other.taxClassification))
return false;
if (textComplementar == null) {
if (other.textComplementar != null)
return false;
} else if (!textComplementar.equals(other.textComplementar))
return false;
if (unitMeasurement == null) {
if (other.unitMeasurement != null)
return false;
} else if (!unitMeasurement.equals(other.unitMeasurement))
return false;
if (volume == null) {
if (other.volume != null)
return false;
} else if (!volume.equals(other.volume))
return false;
if (weightGross == null) {
if (other.weightGross != null)
return false;
} else if (!weightGross.equals(other.weightGross))
return false;
if (weightNet == null) {
if (other.weightNet != null)
return false;
} else if (!weightNet.equals(other.weightNet))
return false;
if (width == null) {
if (other.width != null)
return false;
} else if (!width.equals(other.width))
return false;
return true;
}
}
产品
import java.io.Serializable;
import java.text.DecimalFormat;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.IdClass;
import javax.persistence.JoinColumn;
import javax.persistence.OneToOne;
import javax.persistence.Table;
@Table(name = "PRODUCT")
@IdClass(ProductId.class)
@Entity
public class Product implements Serializable {
private static final long serialVersionUID = 1L;
@Id
private String productId;
@Id
private String salesOrganizationId;
@Id
private String businessSectorId;
@Id
private String salesOfficeId;
@Id
private String distributionChannelId;
@OneToOne
private Document documentId;
@OneToOne
private Document Version;
private String productName;
private DecimalFormat volume;
private DecimalFormat height;
private DecimalFormat width;
private DecimalFormat length;
private DecimalFormat weightNet;
private DecimalFormat weightGross;
private String name;
private String hierarchy;
private String categoryGroup;
private String unitMeasurement;
private String origin;
private String classificationId;
private String textComplementar;
private String taxClassification;
private String barCodeDun14;
private String barCodeEan;
private DecimalFormat multiple;
private DecimalFormat cubage;
private String controlCodeTax;
private String classificationDesc;
Gets and sets...
}
有人对我有建议吗？