Android Open Source - interdroid-vdb Entity Info

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License

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Copyright (c) 2008-2012 Vrije Universiteit, The Netherlands All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the follo...

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Java Source Code

/*
 * Copyright (c) 2008-2012 Vrije Universiteit, The Netherlands All rights
 * reserved./*from  w  w  w  .j  a  v  a  2  s . co  m*/
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of the Vrije Universiteit nor the names of its contributors
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package interdroid.vdb.content.metadata;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Represents a table in the database.
 *
 * @author nick &lt;palmer@cs.vu.nl&gt;
 *
 */
public abstract class EntityInfo {

  /**
   * The fields for this table as a map of name to field info.
   */
  public final Map<String,FieldInfo> fields =
      new HashMap<String, FieldInfo>();
  /**
   * The list of fields for this table.
   */
  public final List<FieldInfo> key = new ArrayList<FieldInfo>();

  /**
   * The values for enumerations.
   */
  public Map<Integer, String> enumValues;

  /**
   * The parent entity if any.
   */
  public EntityInfo parentEntity;

  /**
   * The children of this entity if any.
   */
  public final List<EntityInfo> children = new ArrayList<EntityInfo>();

  /**
   * @return the name of this entity.
   */
  public abstract String name();

  /**
   * @return the namespace for this entity.
   */
  public abstract String namespace();

  /**
   * @return the namespace followed by a dot or the empty string
   */
  public final String namespaceDot() {
    if (namespace() == null || "".equals(namespace())) {
      return "";
    }
    return namespace() + ".";
  }

  /**
   * @return the namespace dot name.
   */
  public final String getFullName() {
    return namespaceDot() + name();
  }

  /**
   * @return the content type for a list of this table.
   */
  public abstract String contentType();

  /**
   * @return the content type for an item in this table.
   */
  public abstract String itemContentType();

  /**
   * @return the fields in this table.
   */
  public final Collection<FieldInfo> getFields() {
    return fields.values();
  }

}

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