org.mycore.backend.jpa.links.MCRLINKHREF Maven / Gradle / Ivy
/*
* This file is part of *** M y C o R e ***
* See http://www.mycore.de/ for details.
*
* MyCoRe is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* MyCoRe is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MyCoRe. If not, see .
*/
package org.mycore.backend.jpa.links;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.EmbeddedId;
import javax.persistence.Entity;
import javax.persistence.Index;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import javax.persistence.Transient;
/**
* This class implement the data sructure of the MCRLinkHref table.
*
* @author Heiko Helmbrecht
* @author Jens Kupferschmidt
* @version $Revision$ $Date$
*/
@Entity
@Table(indexes = {
@Index(name = "LinkFrom", columnList = "MCRFROM, MCRTYPE"),
@Index(name = "LinkTo", columnList = "MCRTO, MCRTYPE"),
})
@NamedQueries({
@NamedQuery(name = "MCRLINKHREF.getDestinations",
query = "SELECT key.mcrto FROM MCRLINKHREF WHERE key.mcrfrom=:from"),
@NamedQuery(name = "MCRLINKHREF.getDestinationsWithType",
query = "SELECT key.mcrto FROM MCRLINKHREF WHERE key.mcrfrom=:from AND key.mcrtype=:type"),
@NamedQuery(name = "MCRLINKHREF.getSources", query = "SELECT key.mcrfrom FROM MCRLINKHREF WHERE key.mcrto=:to"),
@NamedQuery(name = "MCRLINKHREF.getSourcesWithType",
query = "SELECT key.mcrfrom FROM MCRLINKHREF WHERE key.mcrto=:to AND key.mcrtype=:type"),
@NamedQuery(name = "MCRLINKHREF.group",
query = "SELECT count(key.mcrfrom), key.mcrto FROM MCRLINKHREF WHERE key.mcrto like :like GROUP BY key.mcrto")
})
public class MCRLINKHREF {
private MCRLINKHREFPK key;
private String attr;
/**
* The constructor of the class MCRLINKHREF
*/
public MCRLINKHREF() {
key = new MCRLINKHREFPK();
attr = "";
}
/**
* The constructor of the class MCRLINKHREF
*
* @param from
* The link source
* @param to
* The link target
* @param type
* The type of the link (defined by using of this class)
* @param attr
* The optional attribute of the link (defined by using of this
* class)
*/
public MCRLINKHREF(String from, String to, String type, String attr) {
key = new MCRLINKHREFPK();
key.setMcrfrom(from);
key.setMcrto(to);
key.setMcrtype(type);
if (attr != null) {
this.attr = attr;
}
}
/**
* This method returns the primary key.
*
* @return returns the primary key as class MCRLINKHREFPK.
*/
@EmbeddedId
public MCRLINKHREFPK getKey() {
return key;
}
/**
* This method set the primary key.
*
* @param key
* the primary key as instance of the class MCRLINKHREFPK
*/
public void setKey(MCRLINKHREFPK key) {
this.key = key;
}
/**
* Get the from value.
*
* @return the from value as a String.
*/
@Transient
public String getMcrfrom() {
return key.getMcrfrom();
}
/**
* Set the from value.
*
* @param mcrfrom
* the from value as a string
*/
public void setMcrfrom(String mcrfrom) {
key.setMcrfrom(mcrfrom);
}
/**
* Get the to value.
*
* @return the to value as a String.
*/
@Transient
public String getMcrto() {
return key.getMcrto();
}
/**
* Set the to value.
*
* @param mcrto
* the to value as a string
*/
public void setMcrto(String mcrto) {
key.setMcrto(mcrto);
}
/**
* Get the type value.
*
* @return the type value as a String.
*/
@Transient
public String getMcrtype() {
return key.getMcrtype();
}
/**
* Set the type value.
*
* @param mcrtype
* the type value as a string
*/
public void setMcrtype(String mcrtype) {
key.setMcrtype(mcrtype);
}
/**
* Get the attribute value.
*
* @return the attr value as a String.
*/
@Basic
@Column(length = 194, name = "MCRATTR")
public String getMcrattr() {
return attr;
}
/**
* Set the attr value.
*
* @param mcrattr
* the attr value as a string
*/
public void setMcrattr(String mcrattr) {
if (mcrattr == null) {
return;
}
attr = mcrattr;
}
}