edu.stanford.junction.props2.sample.SetProp.java Source code

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Here is the source code for edu.stanford.junction.props2.sample.SetProp.java

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/*
 * Copyright (C) 2010 Stanford University
 *
 * 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 edu.stanford.junction.props2.sample;

import edu.stanford.junction.props2.IPropState;
import edu.stanford.junction.props2.IProp;
import org.json.JSONObject;
import java.util.*;

public class SetProp extends CollectionProp {

    public SetProp(String propName, String propReplicaName, Collection<JSONObject> items) {
        super(propName, propReplicaName, new SetState(items));
    }

    public SetProp(String propName, String propReplicaName, IPropState s) {
        super(propName, propReplicaName, s);
    }

    public SetProp(String propName, String propReplicaName) {
        this(propName, propReplicaName, new ArrayList<JSONObject>());
    }

    public IProp newFresh() {
        return new SetProp(getPropName(), getPropReplicaName(), newState());
    }
}

class SetState extends CollectionState {

    public SetState(Collection<JSONObject> inItems) {
        super(inItems);
    }

    public SetState() {
        this(new ArrayList<JSONObject>());
    }

    public Collection<JSONObject> items() {
        return Collections.unmodifiableSet((Set) items);
    }

    protected CollectionState newWith(Collection<JSONObject> items) {
        return new SetState(items);
    }

    protected Collection<JSONObject> newImplCollection() {
        return new HashSet<JSONObject>();
    }

}