001/*
002 * (C) Copyright 2019 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bdelbosc
018 */
019package org.nuxeo.ecm.core.work;
020
021import java.nio.charset.StandardCharsets;
022import java.util.Map;
023
024import org.nuxeo.runtime.api.Framework;
025import org.nuxeo.runtime.kv.KeyValueService;
026import org.nuxeo.runtime.kv.KeyValueStore;
027
028/**
029 * Filter that use a KeyValueStore to pass big record value
030 *
031 * @since 11.1
032 */
033public class KeyValueStoreOverflowRecordFilter extends BaseOverflowRecordFilter {
034
035    private static final String INIT_KEY = "_init_";
036
037    @Override
038    public void init(Map<String, String> options) {
039        super.init(options);
040        // Check at init time if the KV store works
041        getKeyValueStore().put(getPrefixedKey(INIT_KEY), INIT_KEY.getBytes(StandardCharsets.UTF_8), 60);
042    }
043
044    protected KeyValueStore getKeyValueStore() {
045        return Framework.getService(KeyValueService.class).getKeyValueStore(getStoreName());
046    }
047
048    @Override
049    protected void storeValue(String recordKey, byte[] data) {
050        String key = getPrefixedKey(recordKey);
051        getKeyValueStore().put(key, data, getStoreTTL().toSeconds());
052    }
053
054    @Override
055    protected byte[] fetchValue(String recordKey) {
056        String key = getPrefixedKey(recordKey);
057        return getKeyValueStore().get(key);
058    }
059
060}