/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.ignite.internal.binary;

import java.util.Collection;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.ignite.binary.BinaryObjectException;
import org.apache.ignite.binary.BinaryType;

/**
 * Test metadata handler.
 */
public class TestCachingMetadataHandler implements BinaryMetadataHandler {
    /** Cached metadatas. */
    private final ConcurrentHashMap<Integer, BinaryType> metas = new ConcurrentHashMap<>();

    /** {@inheritDoc} */
    @Override public void addMeta(int typeId, BinaryType meta, boolean failIfUnregistered)
        throws BinaryObjectException {
        BinaryType otherType = metas.put(typeId, meta);

        if (otherType != null)
            throw new IllegalStateException("Metadata replacement is not allowed in " +
                TestCachingMetadataHandler.class.getSimpleName() + '.');
    }

    /** {@inheritDoc} */
    @Override public void addMetaLocally(int typeId, BinaryType meta, boolean failIfUnregistered)
        throws BinaryObjectException {
        addMeta(typeId, meta, failIfUnregistered);
    }

    /** {@inheritDoc} */
    @Override public BinaryType metadata(int typeId) throws BinaryObjectException {
        return metas.get(typeId);
    }

    /** {@inheritDoc} */
    @Override public BinaryMetadata metadata0(int typeId) throws BinaryObjectException {
        return null;
    }

    /** {@inheritDoc} */
    @Override public BinaryType metadata(int typeId, int schemaId) throws BinaryObjectException {
        return null;
    }

    /** {@inheritDoc} */
    @Override public Collection<BinaryType> metadata() throws BinaryObjectException {
        return metas.values();
    }
}