PersistentBCESystem.java

package bce.server.entities;

import java.io.Serializable;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;

/**
 * 用于标识服务器端BCE系统的持久化类
 *
 * @author robins
 *
 */
@Entity
@Table(name = "BCE_SYSTEM")
public class PersistentBCESystem implements Serializable {

    private static final long serialVersionUID = 8900465741261561781L;

    /**
     * 服务器端可能运行多个BCE系统，每个BCE系统对应1个系统参数文件和1个全局参数文件
     * 该字段作为主键，表示服务器端的不同BCE系统ID
     */
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(name = "BCE_SYSTEM_ID")
    private Integer bceSystemId;

    /**
     * BCE系统椭圆参数文件URI
     */
    @Column(nullable = false, name = "CURVE_FILE_PARAMS_URI")
    private String curveParamsURI;

    /**
     * 服务器端系统参数文件URI
     */
    @Column(nullable = false, name = "SERVER_SYS_PARAMS_URI")
    private String serverSysParamsURI;

    /**
     * 服务器端全局参数文件URI
     */
    @Column(nullable = false, name = "GLOBAL_SYS_PARAMS_URI")
    private String globalSysParamsURI;

    /**
     * 当前BCE系统能容纳的总人数，包含失效用户
     */
    @Column(nullable = false, name = "BCE_USER_NUMBER")
    private Integer userNumber;

    /**
     * <pre>
     * 在服务器执行genPrivKeys()方法时，用于设置BCE私钥批量回送策略
     * 该字段用于设置当前批次私钥的批量大小
     * </pre>
     */
    @Column(nullable = false, name = "BCE_KEY_FETCH_SIZE")
    private Integer keyFetchSize;

    /**
     * <pre>
     * 在服务器执行changeDecryptionProduct()方法时，用于设置BCE解密产品批量回送策略
     * 该字段用于设置当前批次返回的解密产品的批量大小
     * </pre>
     */
    @Column(nullable = false, name = "BCE_CHANGE_DECR_PROD_BATCH_SIZE")
    private Integer changeDecrProdBatchSize;

    public PersistentBCESystem() {}

    public Integer getBceSystemId() {
        return bceSystemId;
    }

    public void setBceSystemId(Integer bceSystemId) {
        this.bceSystemId = bceSystemId;
    }

    public String getCurveParamsURI() {
        return curveParamsURI;
    }

    public void setCurveParamsURI(String curveParamsURI) {
        this.curveParamsURI = curveParamsURI;
    }

    public String getServerSysParamsURI() {
        return serverSysParamsURI;
    }

    public void setServerSysParamsURI(String serverSysParamsURI) {
        this.serverSysParamsURI = serverSysParamsURI;
    }

    public String getGlobalSysParamsURI() {
        return globalSysParamsURI;
    }

    public void setGlobalSysParamsURI(String globalSysParamsURI) {
        this.globalSysParamsURI = globalSysParamsURI;
    }

    public Integer getUserNumber() {
        return userNumber;
    }

    public void setUserNumber(Integer userNumber) {
        this.userNumber = userNumber;
    }

    public Integer getKeyFetchSize() {
        return keyFetchSize;
    }

    public void setKeyFetchSize(Integer keyFetchSize) {
        this.keyFetchSize = keyFetchSize;
    }

    public Integer getChangeDecrProdBatchSize() {
        return changeDecrProdBatchSize;
    }

    public void setChangeDecrProdBatchSize(Integer changeDecrProdBatchSize) {
        this.changeDecrProdBatchSize = changeDecrProdBatchSize;
    }

    /*
     * (non-Javadoc)
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result
                + ((bceSystemId == null) ? 0 : bceSystemId.hashCode());
        result = prime * result
                + ((changeDecrProdBatchSize == null) ? 0 : changeDecrProdBatchSize.hashCode());
        result = prime * result
                + ((curveParamsURI == null) ? 0 : curveParamsURI.hashCode());
        result = prime * result
                + ((globalSysParamsURI == null) ? 0 : globalSysParamsURI.hashCode());
        result = prime * result
                + ((keyFetchSize == null) ? 0 : keyFetchSize.hashCode());
        result = prime * result
                + ((serverSysParamsURI == null) ? 0 : serverSysParamsURI.hashCode());
        result = prime * result
                + ((userNumber == null) ? 0 : userNumber.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;
        PersistentBCESystem other = (PersistentBCESystem) obj;
        if (bceSystemId == null) {
            if (other.bceSystemId != null)
                return false;
        } else if (!bceSystemId.equals(other.bceSystemId))
            return false;
        if (changeDecrProdBatchSize == null) {
            if (other.changeDecrProdBatchSize != null)
                return false;
        } else if (!changeDecrProdBatchSize
                .equals(other.changeDecrProdBatchSize))
            return false;
        if (curveParamsURI == null) {
            if (other.curveParamsURI != null)
                return false;
        } else if (!curveParamsURI.equals(other.curveParamsURI))
            return false;
        if (globalSysParamsURI == null) {
            if (other.globalSysParamsURI != null)
                return false;
        } else if (!globalSysParamsURI.equals(other.globalSysParamsURI))
            return false;
        if (keyFetchSize == null) {
            if (other.keyFetchSize != null)
                return false;
        } else if (!keyFetchSize.equals(other.keyFetchSize))
            return false;
        if (serverSysParamsURI == null) {
            if (other.serverSysParamsURI != null)
                return false;
        } else if (!serverSysParamsURI.equals(other.serverSysParamsURI))
            return false;
        if (userNumber == null) {
            if (other.userNumber != null)
                return false;
        } else if (!userNumber.equals(other.userNumber))
            return false;
        return true;
    }

    /*
     * (non-Javadoc)
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return "PersistentBCESystem [bceSystemId=" + bceSystemId
                + ", curveParamsURI=" + curveParamsURI
                + ", serverSysParamsURI=" + serverSysParamsURI
                + ", globalSysParamsURI=" + globalSysParamsURI
                + ", userNumber=" + userNumber + ", keyFetchSize="
                + keyFetchSize + ", changeDecrProdBatchSize="
                + changeDecrProdBatchSize + "]";
    }

}