Android Open Source - LitePal Table Model

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License

The source code is released under:
Apache License
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Java Source Code

/*
 * Copyright (C)  Tony Green, Litepal Framework Open Source Project
 *//  w  w w  .  ja  v a 2s  . c o m
 * 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.litepal.tablemanager.model;

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

/**
 * This is a model class for tables. It stores a table name and a HashMap for
 * columns in the table.
 * 
 * @author Tony Green
 * @since 1.0
 */
public class TableModel {

  /**
   * Table name.
   */
  private String tableName;

  /**
   * Column name is key, and column type is value.
   */
  private Map<String, String> columnsMap = new HashMap<String, String>();

  /**
   * Class name for the table name. This value might be null. Don't rely on
   * it.
   */
  private String className;

  /**
   * Get table name.
   * 
   * @return Name of table.
   */
  public String getTableName() {
    return tableName;
  }

  /**
   * Set table name.
   * 
   * @param tableName
   *            Name of table.
   */
  public void setTableName(String tableName) {
    this.tableName = tableName;
  }

  /**
   * Get class name.
   * 
   * @return Return the class name or null.
   */
  public String getClassName() {
    return className;
  }

  /**
   * Set class name.
   * 
   * @param className
   *            The class name.
   */
  public void setClassName(String className) {
    this.className = className;
  }

  /**
   * Find all the column names of a table.
   * 
   * @return Return a set of column names.
   */
  public Set<String> getColumnNames() {
    return columnsMap.keySet();
  }

  /**
   * Add a column into the table model.
   * 
   * @param columnName
   *            The name of column.
   * @param columnType
   *            The data type of column.
   */
  public void addColumn(String columnName, String columnType) {
    columnsMap.put(columnName, columnType);
  }

  /**
   * Find all the columns with their names and data types.
   * 
   * @return A map contains all columns with column name as key and column
   *         type as value.
   */
  public Map<String, String> getColumns() {
    return columnsMap;
  }

  /**
   * Remove a column from table model.
   * 
   * @param columnNameToRemove
   *            The column name that need to remove.
   */
  public void removeColumn(String columnNameToRemove) {
    columnsMap.remove(columnNameToRemove);
  }

  /**
   * Remove a column from table model. The case of the passed in column name
   * is ignored.
   * 
   * @param columnNameToRemove
   *            The column name that need to remove.
   */
  public void removeColumnIgnoreCases(String columnNameToRemove) {
    for (String columnName : getColumnNames()) {
      if (columnName.equalsIgnoreCase(columnNameToRemove)) {
        columnsMap.remove(columnName);
        return;
      }
    }
  }

}
Java Source Code List
