at.molindo.esi4j.multi.impl.DefaultMultiIndexManager.java Source code

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Here is the source code for at.molindo.esi4j.multi.impl.DefaultMultiIndexManager.java

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/**
 * Copyright 2010 Molindo GmbH
 *
 * 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 at.molindo.esi4j.multi.impl;

import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.Map.Entry;
import java.util.Set;

import at.molindo.esi4j.core.internal.InternalIndex;
import at.molindo.esi4j.multi.Esi4JManagedMultiIndex;
import at.molindo.esi4j.multi.Esi4JMultiIndexManager;

import com.google.common.collect.Sets;

/**
 * default implementation of {@link Esi4JMultiIndexManager}
 */
public class DefaultMultiIndexManager implements Esi4JMultiIndexManager {

    private final Esi4JManagedMultiIndex _index;

    public DefaultMultiIndexManager(Esi4JManagedMultiIndex index) {
        if (index == null) {
            throw new NullPointerException("index");
        }
        _index = index;
    }

    /**
     * rebuild supported types per wrapped index
     */
    @Override
    public void rebuild(Class<?>... types) {
        for (InternalIndex index : getIndex().getIndices().values()) {

            LinkedHashSet<Class<?>> typeSet = Sets.newLinkedHashSet(Arrays.asList(types));
            typeSet.retainAll(Arrays.asList(index.getIndexManager().getTypes()));

            Class<?>[] managedTypes = typeSet.toArray(new Class<?>[typeSet.size()]);

            index.getIndexManager().rebuild(managedTypes);
        }

    }

    @Override
    public void refresh() {
        for (Entry<String, InternalIndex> e : _index.getIndices().entrySet()) {
            e.getValue().getIndexManager().refresh();
        }
    }

    @Override
    public Class<?>[] getTypes() {
        Set<Class<?>> types = Sets.newLinkedHashSet();
        for (InternalIndex index : getIndex().getIndices().values()) {
            types.addAll(Arrays.asList(index.getIndexManager().getTypes()));
        }
        return types.toArray(new Class<?>[types.size()]);
    }

    @Override
    public Esi4JManagedMultiIndex getIndex() {
        return _index;
    }

    @Override
    public void close() {
    }
}