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/*
* _____________________________________________________________________________
*
* INAF - OATS National Institute for Astrophysics - Astronomical Observatory of
* Trieste INAF - IA2 Italian Center for Astronomical Archives
* _____________________________________________________________________________
*
* Copyright (C) 2017 Istituto Nazionale di Astrofisica
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License Version 3 as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package it.inaf.ia2.tsm;
import java.io.Serializable;
/**
* Model used during consistency checking phase to represents a key that has
* been stored into the TAP_SCHEMA but is not currently existing according to
* the information read from the database metadata.
*
* @see it.inaf.ia2.tsm.ConsistencyChecks
* @author Sonia Zorba {@literal <zorba at oats.inaf.it>}
*/
public class KeyHolder implements Serializable {
private static final long serialVersionUID = 3711149068153684261L;
private final String keyId;
private final String fromTable;
private final String[] fromColumns;
private final String targetTable;
private final String[] targetColumns;
public KeyHolder(String keyId, String fromTable, String[] fromColumns, String targetTable, String[] targetColumns) {
this.keyId = keyId;
this.fromTable = fromTable;
this.fromColumns = fromColumns;
this.targetTable = targetTable;
this.targetColumns = targetColumns;
}
public String getKeyId() {
return keyId;
}
/**
* Returns the complete name of table (schema name plus table name) owning
* the foreign key.
*/
public String getFromTable() {
return fromTable;
}
/**
* Returns the columns composing the foreign key.
*/
public String[] getFromColumns() {
return fromColumns;
}
/**
* Returns the complete name of table (schema name plus table name) owning
* the primary key.
*/
public String getTargetTable() {
return targetTable;
}
/**
* Returns the columns composing the primary key.
*/
public String[] getTargetColumns() {
return targetColumns;
}
private String getColumnsString(String[] columns) {
StringBuilder sb = new StringBuilder();
boolean first = true;
for (String column : columns) {
if (!first) {
sb.append(",");
}
sb.append(column);
first = false;
}
return sb.toString();
}
@Override
public String toString() {
return String.format("[%s] %s(%s) -> %s(%s)", keyId,
fromTable, getColumnsString(fromColumns),
targetTable, getColumnsString(targetColumns));
}
}