org.grails.datastore.mapping.riak.collection.AbstractRiakCollection.java Source code

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Here is the source code for org.grails.datastore.mapping.riak.collection.AbstractRiakCollection.java

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/*
 * Copyright (c) 2010 by J. Brisbin <jon@jbrisbin.com>
 *     Portions (c) 2010 by NPC International, Inc. or the
 *     original author(s).
 *
 * 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.grails.datastore.mapping.riak.collection;

import java.util.Collection;
import java.util.List;

import org.springframework.data.keyvalue.riak.core.RiakTemplate;

/**
 * @author J. Brisbin <jon@jbrisbin.com>
 */
@SuppressWarnings("rawtypes")
public abstract class AbstractRiakCollection<T> implements Collection, RiakCollection {

    protected RiakTemplate riakTemplate;
    protected String bucket;

    public AbstractRiakCollection(RiakTemplate riakTemplate, String bucket) {
        this.riakTemplate = riakTemplate;
        this.bucket = bucket;
    }

    public String getBucket() {
        return bucket;
    }

    public int size() {
        List<?> keys = (List<?>) riakTemplate.getBucketSchema(bucket, true).get("keys");
        return keys.size();
    }

    public boolean isEmpty() {
        return size() == 0;
    }
}