org.jdbcluster.domain.EntrySet.java Source code

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Here is the source code for org.jdbcluster.domain.EntrySet.java

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/*
 * Copyright 2002-2005 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 org.jdbcluster.domain;

import java.util.HashMap;
import java.util.List;

import org.dom4j.Node;

/**
 * Maps Domain Entry Values to SlaveDomainIds and 
 * SlaveDomainIds to a ValidEntryList
 * 1. Map: Key   -> entries (fe. 'RED', 'BLUE') of the domain domainId (fe. 'Colors')
 *         Value -> 2. Map which holds...
 * 2. Map: Key   -> configured slave domainIds
 *         Value -> the configured validation entries for the domain domainId
 * @author FaKod
 */
final class EntrySet extends HashMap<String, HashMap<String, ValidEntryList>> {
    /**
     * 
     */
    private static final long serialVersionUID = 8732982067055787566L;

    /**
     * the current DomainId this Map is for
     */
    String domainId;

    /**
     * Constructs and filles HashMap(s) 
     * @param domainId the DomainId the entries are belonging to
     * @param domEntryNodes the List of (entry) Nodes
     */
    EntrySet(String domainId, List<Node> domEntryNodes) {
        this.domainId = domainId;
        fill(domEntryNodes, this);
    }

    /**
     * filles structure
     * @param domEntryNodes
     */
    @SuppressWarnings("unchecked")
    void fill(List<Node> domEntryNodes, HashMap<String, HashMap<String, ValidEntryList>> topList) {
        for (Node n : domEntryNodes) {
            String domEntryValue = n.valueOf("@value");
            String domEntrySlaveDomain = n.valueOf("@slavedomainid");

            HashMap<String, ValidEntryList> slaveDomainMap = topList.get(domEntryValue);
            if (slaveDomainMap == null) {
                slaveDomainMap = new HashMap<String, ValidEntryList>();
                topList.put(domEntryValue, slaveDomainMap);
            }
            ValidEntryList validValueList = slaveDomainMap.get(domEntrySlaveDomain);
            if (validValueList == null) {
                List<Node> validEntries = n.selectNodes("valid");
                List<Node> invalidEntries = n.selectNodes("invalid");
                List<Node> addMasterEntries = n.selectNodes("additionalmaster");
                validValueList = new ValidEntryList(validEntries, invalidEntries, addMasterEntries);
                slaveDomainMap.put(domEntrySlaveDomain, validValueList);
            }
        }
    }
}