package com.avaje.ebeaninternal.server.deploy.id;
import java.sql.SQLException;
import javax.persistence.PersistenceException;
import com.avaje.ebean.bean.EntityBean;
import com.avaje.ebeaninternal.server.deploy.BeanFkeyProperty;
import com.avaje.ebeaninternal.server.deploy.BeanProperty;
import com.avaje.ebeaninternal.server.deploy.BeanPropertyAssoc;
import com.avaje.ebeaninternal.server.deploy.BeanPropertyAssocOne;
import com.avaje.ebeaninternal.server.deploy.DbSqlContext;
import com.avaje.ebeaninternal.server.deploy.IntersectionRow;
import com.avaje.ebeaninternal.server.persist.dml.GenerateDmlRequest;
import com.avaje.ebeaninternal.server.persist.dmlbind.BindableRequest;
/**
* Imported Embedded id.
*/
public class ImportedIdEmbedded implements ImportedId {
private final BeanPropertyAssoc<?> owner;
private final BeanPropertyAssocOne<?> foreignAssocOne;
private final ImportedIdSimple[] imported;
public ImportedIdEmbedded(BeanPropertyAssoc<?> owner, BeanPropertyAssocOne<?> foreignAssocOne, ImportedIdSimple[] imported) {
this.owner = owner;
this.foreignAssocOne = foreignAssocOne;
this.imported = imported;
}
public void addFkeys(String name) {
BeanProperty[] embeddedProps = foreignAssocOne.getProperties();
for (int i = 0; i < imported.length; i++) {
String n = name+"."+foreignAssocOne.getName()+"."+embeddedProps[i].getName();
BeanFkeyProperty fkey = new BeanFkeyProperty(null, n, imported[i].localDbColumn, foreignAssocOne.getDeployOrder());
owner.getBeanDescriptor().add(fkey);
}
}
public boolean isScalar(){
return false;
}
public String getLogicalName() {
return owner.getName()+"."+foreignAssocOne.getName();
}
public String getDbColumn(){
return null;
}
public void sqlAppend(DbSqlContext ctx) {
for (int i = 0; i < imported.length; i++) {
ctx.appendColumn(imported[i].localDbColumn);
}
}
public void dmlAppend(GenerateDmlRequest request) {
for (int i = 0; i < imported.length; i++) {
request.appendColumn(imported[i].localDbColumn);
}
}
public void dmlWhere(GenerateDmlRequest request, EntityBean bean){
Object embeddedId = null;
if (bean != null) {
embeddedId = foreignAssocOne.getValue(bean);
}
if (embeddedId == null){
for (int i = 0; i < imported.length; i++) {
if (imported[i].owner.isDbUpdatable()) {
request.appendColumnIsNull(imported[i].localDbColumn);
}
}
} else {
EntityBean embedded = (EntityBean)embeddedId;
for (int i = 0; i < imported.length; i++) {
if (imported[i].owner.isDbUpdatable()) {
Object value = imported[i].foreignProperty.getValue(embedded);
if (value == null){
request.appendColumnIsNull(imported[i].localDbColumn);
} else {
request.appendColumn(imported[i].localDbColumn);
}
}
}
}
}
public Object bind(BindableRequest request, EntityBean bean) throws SQLException {
Object embeddedId = null;
if (bean != null) {
embeddedId = foreignAssocOne.getValue(bean);
}
if (embeddedId == null){
for (int i = 0; i < imported.length; i++) {
if (imported[i].owner.isUpdateable()) {
request.bind(null, imported[i].foreignProperty, imported[i].localDbColumn);
}
}
} else {
EntityBean embedded = (EntityBean)embeddedId;
for (int i = 0; i < imported.length; i++) {
if (imported[i].owner.isUpdateable()) {
Object scalarValue = imported[i].foreignProperty.getValue(embedded);
request.bind(scalarValue, imported[i].foreignProperty, imported[i].localDbColumn);
}
}
}
// hmmm, not worrying about this just yet
return null;
}
public void buildImport(IntersectionRow row, EntityBean other){
EntityBean embeddedId = (EntityBean)foreignAssocOne.getValue(other);
if (embeddedId == null){
String msg = "Foreign Key value null?";
throw new PersistenceException(msg);
}
for (int i = 0; i < imported.length; i++) {
Object scalarValue = imported[i].foreignProperty.getValue(embeddedId);
row.put(imported[i].localDbColumn, scalarValue);
}
}
/**
* Not supported for embedded id.
*/
public BeanProperty findMatchImport(String matchDbColumn) {
BeanProperty p = null;
for (int i = 0; i < imported.length; i++) {
p = imported[i].findMatchImport(matchDbColumn);
if (p != null){
return p;
}
}
return p;
}
}