org.jiemamy.eclipse.core.ui.utils.KeyConstraintUtil.java Source code

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Here is the source code for org.jiemamy.eclipse.core.ui.utils.KeyConstraintUtil.java

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/*
 * Copyright 2007-2012 Jiemamy Project and the Others.
 * Created on 2011/01/17
 *
 * This file is part of Jiemamy.
 *
 * 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.jiemamy.eclipse.core.ui.utils;

import java.util.List;

import com.google.common.base.Joiner;
import com.google.common.collect.Lists;

import org.apache.commons.lang.Validate;

import org.jiemamy.JiemamyContext;
import org.jiemamy.dddbase.EntityNotFoundException;
import org.jiemamy.dddbase.EntityRef;
import org.jiemamy.model.column.JmColumn;
import org.jiemamy.model.constraint.JmKeyConstraint;

/**
 * {@link JmKeyConstraint}??
 * 
 * @version $Id$
 * @author daisuke
 */
public final class KeyConstraintUtil {

    /**
     * ???????
     * 
     * @param context 
     * @param keyConstraint ?
     * @return ????
     * @throws IllegalArgumentException ?{@code null}???
     */
    public static String toStringKeyColumns(JiemamyContext context, JmKeyConstraint keyConstraint) {
        Validate.notNull(context);
        Validate.notNull(keyConstraint);

        List<EntityRef<? extends JmColumn>> keyColumns = keyConstraint.getKeyColumns();
        List<String> columnNames = Lists.newArrayListWithCapacity(keyColumns.size());
        for (EntityRef<? extends JmColumn> columnRef : keyColumns) {
            try {
                JmColumn col = context.resolve(columnRef);
                columnNames.add(col.getName());
            } catch (EntityNotFoundException e) {
                // FIXME table?add???????tablestore????????
                // context?columnresolve??????????????
                columnNames.add("<NewColumn>");
            }
        }
        return Joiner.on(", ").join(columnNames);
    }

    private KeyConstraintUtil() {
    }

}