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/*
* Copyright 2015 Open Networking Laboratory
*
* 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.
*/
package org.onosproject.persistence.impl;
import org.mapdb.DB;
import org.onosproject.persistence.PersistentSetBuilder;
import org.onosproject.store.service.Serializer;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Default builder for persistent sets stored in the mapDB local database via the persistence service..
*/
public class DefaultPersistentSetBuilder<E> implements PersistentSetBuilder<E> {
private final DB localDB;
private String name = null;
private Serializer serializer = null;
public DefaultPersistentSetBuilder(DB localDB) {
this.localDB = checkNotNull(localDB, "The local database cannot be null.");
}
public PersistentSetBuilder<E> withName(String name) {
this.name = PersistenceManager.SET_PREFIX + checkNotNull(name);
return this;
}
public PersistentSetBuilder<E> withSerializer(Serializer serializer) {
checkArgument(this.serializer == null);
checkNotNull(serializer);
this.serializer = serializer;
return this;
}
public PersistentSet<E> build() {
checkNotNull(name, "The name must be assigned.");
checkNotNull(serializer, "The serializer must be assigned.");
return new PersistentSet<E>(serializer, localDB, name);
}
}
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