com.torodb.kvdocument.values.heap.MapKvDocument.java Source code

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Here is the source code for com.torodb.kvdocument.values.heap.MapKvDocument.java

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/*
 * ToroDB
 * Copyright  2014 8Kdata Technology (www.8kdata.com)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package com.torodb.kvdocument.values.heap;

import com.google.common.collect.Iterators;
import com.google.common.collect.UnmodifiableIterator;
import com.torodb.kvdocument.annotations.NotMutable;
import com.torodb.kvdocument.values.KvDocument;
import com.torodb.kvdocument.values.KvValue;

import java.util.LinkedHashMap;

/** */
public class MapKvDocument extends KvDocument {

    private static final long serialVersionUID = -5654643148723237245L;

    private final LinkedHashMap<String, KvValue<?>> map;

    public MapKvDocument(@NotMutable LinkedHashMap<String, KvValue<?>> map) {
        this.map = map;
    }

    @Override
    public UnmodifiableIterator<DocEntry<?>> iterator() {
        return Iterators.unmodifiableIterator(
                Iterators.transform(map.entrySet().iterator(), KvDocument.FromEntryMap.INSTANCE));
    }

    @Override
    public int size() {
        return map.size();
    }

    @Override
    public boolean isEmpty() {
        return map.isEmpty();
    }

    @Override
    public boolean containsKey(String key) {
        return map.containsKey(key);
    }

    @Override
    public KvValue<?> get(String key) {
        return map.get(key);
    }
}