/**
* Copyright (C) 2010-2017 Structr GmbH
*
* This file is part of Structr <http://structr.org>.
*
* Structr 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.
*
* Structr 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 Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.schema.importer;
import java.io.File;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.Map;
/**
*
*
*/
public class FileBasedHashLongMap<K> {
private final Map<K, LazyFileBasedLongCollection> hashFiles = new LinkedHashMap<>();
private boolean clearOnOpen = true;
private String basePath = null;
public FileBasedHashLongMap(final String basePath) {
this(basePath, true);
}
public FileBasedHashLongMap(final String basePath, final boolean clearOnOpen) {
this.basePath = basePath;
}
public void add(final K key, final Long value) {
getCollectionForKey(key).add(value);
}
public Collection<Long> get(final K key) {
return getCollectionForKey(key);
}
// ----- private methods -----
private LazyFileBasedLongCollection getCollectionForKey(final K key) {
LazyFileBasedLongCollection collection = hashFiles.get(key);
if (collection == null) {
collection = new LazyFileBasedLongCollection(basePath + File.separator + key.hashCode() + ".lfc", clearOnOpen);
hashFiles.put(key, collection);
}
return collection;
}
}