com.frank.search.solr.core.SolrTransactionSynchronizationAdapter.java Source code

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Here is the source code for com.frank.search.solr.core.SolrTransactionSynchronizationAdapter.java

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/*
 * Copyright 2014 the original author or authors.
 *
 * 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 com.frank.search.solr.core;

import org.springframework.transaction.support.TransactionSynchronizationAdapter;
import org.springframework.transaction.support.TransactionSynchronizationManager;

import java.util.HashMap;
import java.util.Map;

/**
 * @author Christoph Strobl
 * @since 1.2
 */
public class SolrTransactionSynchronizationAdapter extends TransactionSynchronizationAdapter {

    private Map<Integer, CompletionDelegate> delegates = new HashMap<Integer, CompletionDelegate>(2);
    private final SolrOperations solrOperations;

    SolrTransactionSynchronizationAdapter(SolrOperations solrOperations) {
        super();
        this.solrOperations = solrOperations;
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.transaction.support.TransactionSynchronizationAdapter#afterCompletion(int)
     */
    @Override
    public void afterCompletion(int status) {

        CompletionDelegate delegate = this.delegates.get(Integer.valueOf(status));
        if (delegate != null) {
            delegate.execute(this.solrOperations);
        }
    }

    public void register() {
        TransactionSynchronizationManager.registerSynchronization(this);
    }

    public void registerCompletionDelegate(int transactionStatus, CompletionDelegate completionDelegate) {
        this.delegates.put(Integer.valueOf(transactionStatus), completionDelegate);
    }

    public static interface CompletionDelegate {

        void execute(SolrOperations solrOperations);

    }

    public static class CommitTransaction implements CompletionDelegate {

        @Override
        public void execute(SolrOperations solrOperations) {
            solrOperations.commit();
        }

    }

    public static class RollbackTransaction implements CompletionDelegate {

        @Override
        public void execute(SolrOperations solrOperations) {
            solrOperations.rollback();
        }

    }

}