org.efaps.db.store.Store Maven / Gradle / Ivy
/*
* Copyright 2003 - 2012 The eFaps Team
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Revision: $Rev: 7483 $
* Last Changed: $Date: 2012-05-11 11:57:38 -0500 (Fri, 11 May 2012) $
* Last Changed By: $Author: [email protected] $
*/
package org.efaps.db.store;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import org.efaps.admin.AbstractAdminObject;
import org.efaps.admin.datamodel.Type;
import org.efaps.ci.CIAdminCommon;
import org.efaps.ci.CIDB;
import org.efaps.db.Instance;
import org.efaps.db.MultiPrintQuery;
import org.efaps.db.QueryBuilder;
import org.efaps.util.EFapsException;
import org.efaps.util.cache.AbstractCache;
import org.efaps.util.cache.CacheReloadException;
/**
* TODO comment!
*
* @author The eFaps Team
* @version $Id: Store.java 7483 2012-05-11 16:57:38Z [email protected] $
*/
public final class Store
extends AbstractAdminObject
{
/**
* Property to get the compress for this store.
*/
public static final String PROPERTY_COMPRESS = "StoreCompress";
/**
* Property name to get the JDNI Name.
*/
public static final String PROPERTY_JNDINAME = "StoreJNDIName";
/**
* Cache for Stores.
*/
private static final StoreCache CACHE = new StoreCache();
/**
* Name of the Resource class of this store.
*/
private String resource;
/**
* Properties for the StoreResource.
*/
private final Map resourceProperties = new HashMap();
/**
* @param _id id of this store
* @param _uuid uuid of this store
* @param _name name of thi store
*/
private Store(final long _id,
final String _uuid,
final String _name)
{
super(_id, _uuid, _name);
}
/**
* Sets the link properties for this object.
*
* @param _linkType type of the link property
* @param _toId to id
* @param _toType to type
* @param _toName to name
* @throws EFapsException error
*/
@Override
protected void setLinkProperty(final Type _linkType,
final long _toId,
final Type _toType,
final String _toName)
throws EFapsException
{
if (_linkType.isKindOf(CIDB.Store2Resource.getType())) {
this.resource = _toName;
loadResourceProperties(_toId);
} else {
super.setLinkProperty(_linkType, _toId, _toType, _toName);
}
}
/**
* Method to get the properties for the resource.
*
* @param _id id of the resource
* @throws EFapsException on error
*/
private void loadResourceProperties(final long _id)
throws EFapsException
{
this.resourceProperties.clear();
final QueryBuilder queryBldr = new QueryBuilder(CIAdminCommon.Property);
queryBldr.addWhereAttrEqValue(CIAdminCommon.Property.Abstract, _id);
final MultiPrintQuery multi = queryBldr.getPrint();
multi.addAttribute(CIAdminCommon.Property.Name, CIAdminCommon.Property.Value);
multi.executeWithoutAccessCheck();
while (multi.next()) {
this.resourceProperties.put(multi. getAttribute(CIAdminCommon.Property.Name),
multi. getAttribute(CIAdminCommon.Property.Value));
}
}
/**
* @return value for instance variable {@link #resourceProperties}
*/
protected Map getResourceProperties()
{
return this.resourceProperties;
}
/**
* Method to get a instance of the resource.
*
* @param _instance instance the resource is wanted for
* @return Resource
* @throws EFapsException on error
*/
public Resource getResource(final Instance _instance)
throws EFapsException
{
Resource ret = null;
try {
ret = (Resource) (Class.forName(this.resource).newInstance());
ret.initialize(_instance, this);
} catch (final InstantiationException e) {
throw new EFapsException(Store.class, "getResource.InstantiationException", e, this.resource);
} catch (final IllegalAccessException e) {
throw new EFapsException(Store.class, "getResource.IllegalAccessException", e, this.resource);
} catch (final ClassNotFoundException e) {
throw new EFapsException(Store.class, "getResource.ClassNotFoundException", e, this.resource);
}
return ret;
}
/**
* Method to initialize the Cache of this CacheObjectInterface.
*
* @throws CacheReloadException on error during loading of cache
*/
public static void initialize()
throws CacheReloadException
{
// check is need to work on first installation
if (CIDB.Store.getType() != null) {
Store.CACHE.initialize(Store.class);
for (final Store store : Store.CACHE.getCache4Id().values()) {
store.readFromDB4Properties();
store.readFromDB4Links();
}
}
}
/**
* Returns for given parameter _id the instance of class
* {@link Store}.
*
* @param _id id of the type to get
* @return instance of class {@link Store}
* @throws CacheReloadException
*/
public static Store get(final long _id)
{
return Store.CACHE.get(_id);
}
/**
* Returns for given parameter _name the instance of class
* {@link Store}.
*
* @param _name name of the type to get
* @return instance of class {@link Store}
* @throws CacheReloadException
*/
public static Store get(final String _name)
{
return Store.CACHE.get(_name);
}
/**
* Returns for given parameter _uuid the instance of class
* {@link Store}.
*
* @param _uuid uuid of the type to get
* @return instance of class {@link Store}
* @throws CacheReloadException
*/
public static Store get(final UUID _uuid)
{
return Store.CACHE.get(_uuid);
}
/**
* Cache for Stores.
*/
public static class StoreCache
extends AbstractCache
{
/**
* Method to fill this cache with objects.
*
* @param _cache4Id Cache for id
* @param _cache4Name Cache for name
* @param _cache4UUID Cache for UUID
* @throws CacheReloadException on error during reading
*/
@Override
protected void readCache(final Map _cache4Id,
final Map _cache4Name,
final Map _cache4UUID)
throws CacheReloadException
{
try {
final QueryBuilder queryBldr = new QueryBuilder(CIDB.Store);
final MultiPrintQuery multi = queryBldr.getPrint();
multi.addAttribute(CIDB.Store.Name, CIDB.Store.ID, CIDB.Store.UUID);
multi.executeWithoutAccessCheck();
while (multi.next()) {
final long id = multi. getAttribute(CIDB.Store.ID);
final String name = multi. getAttribute(CIDB.Store.Name);
final String uuid = multi. getAttribute(CIDB.Store.UUID);
final Store store = new Store(id, uuid, name);
_cache4Id.put(store.getId(), store);
_cache4Name.put(store.getName(), store);
_cache4UUID.put(store.getUUID(), store);
}
} catch (final EFapsException e) {
throw new CacheReloadException("Could not read Store.", e);
}
}
}
}
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