src/org/objectweb/cjdbc/controller/cache/result/schema/CacheDatabaseSchema.java

説明を見る。

package org.objectweb.cjdbc.controller.cache.result.schema;

import java.io.Serializable;
import java.sql.SQLException;
import java.util.ArrayList;

import org.objectweb.cjdbc.common.sql.schema.DatabaseSchema;
import org.objectweb.cjdbc.common.sql.schema.DatabaseTable;

public class CacheDatabaseSchema implements Serializable
{
  private ArrayList tables;

  public CacheDatabaseSchema(DatabaseSchema dbs)
  {
    if (dbs == null)
    {
      tables = new ArrayList();
      return;
    }

    // Clone the tables
    ArrayList origTables = dbs.getTables();
    int size = origTables.size();
    tables = new ArrayList(size);
    for (int i = 0; i < size; i++)
      tables.add(new CacheDatabaseTable((DatabaseTable) origTables.get(i)));
  }

  public void addTable(CacheDatabaseTable table)
  {
    tables.add(table);
  }

  public void removeTable(CacheDatabaseTable table)
  {
    tables.remove(table);
  }

  public void mergeSchema(CacheDatabaseSchema databaseSchema)
    throws SQLException
  {
    if (databaseSchema == null)
      return;

    ArrayList otherTables = databaseSchema.getTables();
    if (otherTables == null)
      return;

    int size = otherTables.size();
    for (int i = 0; i < size; i++)
    {
      CacheDatabaseTable t = (CacheDatabaseTable) otherTables.get(i);
      CacheDatabaseTable original = getTable(t.getName());
      if (original == null)
        addTable(t);
      else
        original.mergeColumns(t);
    }
  }

  public ArrayList getTables()
  {
    return tables;
  }

  public CacheDatabaseTable getTable(String tableName)
  {
    int size = tables.size();
    for (int i = 0; i < size; i++)
    {
      CacheDatabaseTable t = (CacheDatabaseTable) tables.get(i);
      if (t.getName().compareTo(tableName) == 0)
        return t;
    }
    return null;
  }

  public boolean hasTable(String tableName)
  {
    int size = tables.size();
    for (int i = 0; i < size; i++)
    {
      CacheDatabaseTable t = (CacheDatabaseTable) tables.get(i);
      if (tableName.equals(t.getName()))
        return true;
    }
    return false;
  }

  public boolean equals(Object other)
  {
    if (!(other instanceof CacheDatabaseSchema))
      return false;

    if (tables == null)
      return ((CacheDatabaseSchema) other).getTables() == null;
    else
      return tables.equals(((CacheDatabaseSchema) other).getTables());
  }

  public String getInformation(boolean longFormat)
  {
    String result = "";
    int size = tables.size();
    for (int i = 0; i < size; i++)
    {
      CacheDatabaseTable t = (CacheDatabaseTable) tables.get(i);
      result += t.getInformation(longFormat) + "\n";
    }
    return result;
  }

}

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