hibernate复合主键映射

V4cDiseasesprevention

package com.SAFAS.mobilecatch.server.hibernate.model;

/**
 * V4cDiseasesprevention entity.
 *
 * @author MyEclipse Persistence Tools
 */

public class V4cDiseasesprevention implements java.io.Serializable {

    // Fields

    private V4cDiseasespreventionId id;

    // Constructors

    /** default constructor */
    public V4cDiseasesprevention() {
    }

    /** full constructor */
    public V4cDiseasesprevention(V4cDiseasespreventionId id) {
        this.id = id;
    }

    // Property accessors

    public V4cDiseasespreventionId getId() {
        return this.id;
    }

    public void setId(V4cDiseasespreventionId id) {
        this.id = id;
    }

}

V4cDiseasespreventionId

package com.SAFAS.mobilecatch.server.hibernate.model;

/**
 * V4cDiseasespreventionId entity.
 *
 * @author MyEclipse Persistence Tools
 */

public class V4cDiseasespreventionId implements java.io.Serializable {

    // Fields

    private Integer produceClassify4id;
    private String produceClassify4name;
    private Short qualityStandardId;
    private Short environmentStandardId;
    private Short producingRuleId;
    private Short produceSampleStandardId;
    private String producingRuleCode;
    private String producingRuleName;
    private String remark;
    private String pesticideName;
    private String preventionMethod;

    // Constructors

    /** default constructor */
    public V4cDiseasespreventionId() {
    }

    /** minimal constructor */
    public V4cDiseasespreventionId(Integer produceClassify4id) {
        this.produceClassify4id = produceClassify4id;
    }

    /** full constructor */
    public V4cDiseasespreventionId(Integer produceClassify4id,
            String produceClassify4name, Short qualityStandardId,
            Short environmentStandardId, Short producingRuleId,
            Short produceSampleStandardId, String producingRuleCode,
            String producingRuleName, String remark, String pesticideName,
            String preventionMethod) {
        this.produceClassify4id = produceClassify4id;
        this.produceClassify4name = produceClassify4name;
        this.qualityStandardId = qualityStandardId;
        this.environmentStandardId = environmentStandardId;
        this.producingRuleId = producingRuleId;
        this.produceSampleStandardId = produceSampleStandardId;
        this.producingRuleCode = producingRuleCode;
        this.producingRuleName = producingRuleName;
        this.remark = remark;
        this.pesticideName = pesticideName;
        this.preventionMethod = preventionMethod;
    }

    // Property accessors

    public Integer getProduceClassify4id() {
        return this.produceClassify4id;
    }

    public void setProduceClassify4id(Integer produceClassify4id) {
        this.produceClassify4id = produceClassify4id;
    }

    public String getProduceClassify4name() {
        return this.produceClassify4name;
    }

    public void setProduceClassify4name(String produceClassify4name) {
        this.produceClassify4name = produceClassify4name;
    }

    public Short getQualityStandardId() {
        return this.qualityStandardId;
    }

    public void setQualityStandardId(Short qualityStandardId) {
        this.qualityStandardId = qualityStandardId;
    }

    public Short getEnvironmentStandardId() {
        return this.environmentStandardId;
    }

    public void setEnvironmentStandardId(Short environmentStandardId) {
        this.environmentStandardId = environmentStandardId;
    }

    public Short getProducingRuleId() {
        return this.producingRuleId;
    }

    public void setProducingRuleId(Short producingRuleId) {
        this.producingRuleId = producingRuleId;
    }

    public Short getProduceSampleStandardId() {
        return this.produceSampleStandardId;
    }

    public void setProduceSampleStandardId(Short produceSampleStandardId) {
        this.produceSampleStandardId = produceSampleStandardId;
    }

    public String getProducingRuleCode() {
        return this.producingRuleCode;
    }

    public void setProducingRuleCode(String producingRuleCode) {
        this.producingRuleCode = producingRuleCode;
    }

    public String getProducingRuleName() {
        return this.producingRuleName;
    }

    public void setProducingRuleName(String producingRuleName) {
        this.producingRuleName = producingRuleName;
    }

    public String getRemark() {
        return this.remark;
    }

    public void setRemark(String remark) {
        this.remark = remark;
    }

    public String getPesticideName() {
        return this.pesticideName;
    }

    public void setPesticideName(String pesticideName) {
        this.pesticideName = pesticideName;
    }

    public String getPreventionMethod() {
        return this.preventionMethod;
    }

    public void setPreventionMethod(String preventionMethod) {
        this.preventionMethod = preventionMethod;
    }

    public boolean equals(Object other) {
        if ((this == other))
            return true;
        if ((other == null))
            return false;
        if (!(other instanceof V4cDiseasespreventionId))
            return false;
        V4cDiseasespreventionId castOther = (V4cDiseasespreventionId) other;

        return ((this.getProduceClassify4id() == castOther
                .getProduceClassify4id()) || (this.getProduceClassify4id() != null
                && castOther.getProduceClassify4id() != null && this
                .getProduceClassify4id().equals(
                        castOther.getProduceClassify4id())))
                && ((this.getProduceClassify4name() == castOther
                        .getProduceClassify4name()) || (this
                        .getProduceClassify4name() != null
                        && castOther.getProduceClassify4name() != null && this
                        .getProduceClassify4name().equals(
                                castOther.getProduceClassify4name())))
                && ((this.getQualityStandardId() == castOther
                        .getQualityStandardId()) || (this
                        .getQualityStandardId() != null
                        && castOther.getQualityStandardId() != null && this
                        .getQualityStandardId().equals(
                                castOther.getQualityStandardId())))
                && ((this.getEnvironmentStandardId() == castOther
                        .getEnvironmentStandardId()) || (this
                        .getEnvironmentStandardId() != null
                        && castOther.getEnvironmentStandardId() != null && this
                        .getEnvironmentStandardId().equals(
                                castOther.getEnvironmentStandardId())))
                && ((this.getProducingRuleId() == castOther
                        .getProducingRuleId()) || (this.getProducingRuleId() != null
                        && castOther.getProducingRuleId() != null && this
                        .getProducingRuleId().equals(
                                castOther.getProducingRuleId())))
                && ((this.getProduceSampleStandardId() == castOther
                        .getProduceSampleStandardId()) || (this
                        .getProduceSampleStandardId() != null
                        && castOther.getProduceSampleStandardId() != null && this
                        .getProduceSampleStandardId().equals(
                                castOther.getProduceSampleStandardId())))
                && ((this.getProducingRuleCode() == castOther
                        .getProducingRuleCode()) || (this
                        .getProducingRuleCode() != null
                        && castOther.getProducingRuleCode() != null && this
                        .getProducingRuleCode().equals(
                                castOther.getProducingRuleCode())))
                && ((this.getProducingRuleName() == castOther
                        .getProducingRuleName()) || (this
                        .getProducingRuleName() != null
                        && castOther.getProducingRuleName() != null && this
                        .getProducingRuleName().equals(
                                castOther.getProducingRuleName())))
                && ((this.getRemark() == castOther.getRemark()) || (this
                        .getRemark() != null
                        && castOther.getRemark() != null && this.getRemark()
                        .equals(castOther.getRemark())))
                && ((this.getPesticideName() == castOther.getPesticideName()) || (this
                        .getPesticideName() != null
                        && castOther.getPesticideName() != null && this
                        .getPesticideName()
                        .equals(castOther.getPesticideName())))
                && ((this.getPreventionMethod() == castOther
                        .getPreventionMethod()) || (this.getPreventionMethod() != null
                        && castOther.getPreventionMethod() != null && this
                        .getPreventionMethod().equals(
                                castOther.getPreventionMethod())));
    }

    public int hashCode() {
        int result = 17;

        result = 37
                * result
                + (getProduceClassify4id() == null ? 0 : this
                        .getProduceClassify4id().hashCode());
        result = 37
                * result
                + (getProduceClassify4name() == null ? 0 : this
                        .getProduceClassify4name().hashCode());
        result = 37
                * result
                + (getQualityStandardId() == null ? 0 : this
                        .getQualityStandardId().hashCode());
        result = 37
                * result
                + (getEnvironmentStandardId() == null ? 0 : this
                        .getEnvironmentStandardId().hashCode());
        result = 37
                * result
                + (getProducingRuleId() == null ? 0 : this.getProducingRuleId()
                        .hashCode());
        result = 37
                * result
                + (getProduceSampleStandardId() == null ? 0 : this
                        .getProduceSampleStandardId().hashCode());
        result = 37
                * result
                + (getProducingRuleCode() == null ? 0 : this
                        .getProducingRuleCode().hashCode());
        result = 37
                * result
                + (getProducingRuleName() == null ? 0 : this
                        .getProducingRuleName().hashCode());
        result = 37 * result
                + (getRemark() == null ? 0 : this.getRemark().hashCode());
        result = 37
                * result
                + (getPesticideName() == null ? 0 : this.getPesticideName()
                        .hashCode());
        result = 37
                * result
                + (getPreventionMethod() == null ? 0 : this
                        .getPreventionMethod().hashCode());
        return result;
    }

}

映射文件:

V4cDiseasesprevention.hbm.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--
    Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
    <class name="com.SAFAS.mobilecatch.server.hibernate.model.V4cDiseasesprevention" table="v_4c_diseasesprevention" catalog="safas">
        <composite-id name="id" class="com.pickedpoint.SAFAS.mobilecatch.server.hibernate.model.V4cDiseasespreventionId">
            <key-property name="produceClassify4id" type="java.lang.Integer">
                <column name="produceClassify_4ID" />
            </key-property>
            <key-property name="produceClassify4name" type="java.lang.String">
                <column name="produceClassify_4Name" length="20" />
            </key-property>
            <key-property name="qualityStandardId" type="java.lang.Short">
                <column name="qualityStandardID" />
            </key-property>
            <key-property name="environmentStandardId" type="java.lang.Short">
                <column name="environmentStandardID" />
            </key-property>
            <key-property name="producingRuleId" type="java.lang.Short">
                <column name="producingRuleID" />
            </key-property>
            <key-property name="produceSampleStandardId" type="java.lang.Short">
                <column name="produceSampleStandardID" />
            </key-property>
            <key-property name="producingRuleCode" type="java.lang.String">
                <column name="producingRuleCode" />
            </key-property>
            <key-property name="producingRuleName" type="java.lang.String">
                <column name="producingRuleName" length="50" />
            </key-property>
            <key-property name="remark" type="java.lang.String">
                <column name="remark" />
            </key-property>
            <key-property name="pesticideName" type="java.lang.String">
                <column name="pesticideName" length="50" />
            </key-property>
            <key-property name="preventionMethod" type="java.lang.String">
                <column name="preventionMethod" />
            </key-property>
        </composite-id>
    </class>
</hibernate-mapping>

hibernate 默认是联合主键,这样的话如果有一项内容为空,则整个结果就会返回会空.

解决方法:

1.删除V4cDiseasespreventionId.java;

2.将V4cDiseasesprevention.java的属性全部替换为V4cDiseasespreventionId.java的,以及它的get,set方法.

3.修改映射文件为:

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--
    Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
    <class name="com.SAFAS.mobilecatch.server.hibernate.model.V4cDiseasesprevention" table="v_4c_diseasesprevention" catalog="safas">
        <id name="produceClassify4id" type="java.lang.Integer">
            <column name="produceClassify_4ID" />
        </id>
            <property name="produceClassify4name" type="java.lang.String">
                <column name="produceClassify_4Name" length="20" />
            </property>
            <property name="qualityStandardId" type="java.lang.Short">
                <column name="qualityStandardID" />
            </property>
            <property name="environmentStandardId" type="java.lang.Short">
                <column name="environmentStandardID" />
            </property>
            <property name="producingRuleId" type="java.lang.Short">
                <column name="producingRuleID" />
            </property>
            <property name="produceSampleStandardId" type="java.lang.Short">
                <column name="produceSampleStandardID" />
            </property>
            <property name="producingRuleCode" type="java.lang.String">
                <column name="producingRuleCode" />
            </property>
            <property name="producingRuleName" type="java.lang.String">
                <column name="producingRuleName" length="50" />
            </property>
            <property name="remark" type="java.lang.String">
                <column name="remark" />
            </property>
            <property name="pesticideName" type="java.lang.String">
                <column name="pesticideName" length="50" />
            </property>
            <property name="preventionMethod" type="java.lang.String">
                <column name="preventionMethod" />
            </property>
    </class>
</hibernate-mapping>