org.arrow.runtime.meta.MapProcessMetaDataRepository.java Source code

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Here is the source code for org.arrow.runtime.meta.MapProcessMetaDataRepository.java

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/*
 * Copyright 2014 Christian Weber
 *
 * 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.arrow.runtime.meta;

import org.springframework.stereotype.Repository;
import org.arrow.runtime.execution.Execution;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * {@link ProcessMetaDataRepository} implementation based on a {@link java.util.concurrent.ConcurrentHashMap} instance.
 *
 * @since 1.0.0
 * @author christian.weber
 */
@Repository
@SuppressWarnings("unused") // spring bean
public class MapProcessMetaDataRepository implements ProcessMetaDataRepository {

    private final static Map<Integer, ProcessMetaData> MAP = new ConcurrentHashMap<>();

    /**
     * {@inheritDoc}
     */
    @Override
    public void save(ProcessMetaData processMetaData) {
        int hashcode = processMetaData.getProcessId().hashCode();
        MAP.put(hashcode, processMetaData);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void saveAll(Iterable<ProcessMetaData> iterable) {
        iterable.forEach(this::save);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public ProcessMetaData findById(String processId) {
        return MAP.get(processId.hashCode());
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public ProcessMetaData findByExecution(Execution execution) {
        final String processId = execution.getProcessInstance().getKey();
        return findById(processId);
    }

}