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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;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
/**
*
* @author Sonia Zorba {@literal <zorba at oats.inaf.it>}
*/
public class KeyMetadata implements Serializable {
public static final String NEW_KEY = "#NEW#";
private static final long serialVersionUID = -30688540834789724L;
private final String fromSchema;
private final String fromTable;
private final List<String> fromColumns;
private final String targetSchema;
private final String targetTable;
private final List<String> targetColumns;
public KeyMetadata(String fromSchema, String fromTable, String targetSchema, String targetTable) {
this.fromSchema = fromSchema;
this.fromTable = fromTable;
this.fromColumns = new ArrayList<>();
this.targetSchema = targetSchema;
this.targetTable = targetTable;
this.targetColumns = new ArrayList<>();
}
public String getFromSchema() {
return fromSchema;
}
public String getFromTable() {
return fromTable;
}
public List<String> getFromColumns() {
return fromColumns;
}
public String getTargetSchema() {
return targetSchema;
}
public String getTargetTable() {
return targetTable;
}
public List<String> getTargetColumns() {
return targetColumns;
}
public void addKeyColumn(String fromColumn, String targetColumn) {
fromColumns.add(fromColumn);
targetColumns.add(targetColumn);
}
public Map<String, Object> getKeyMetadata() {
Map<String, Object> metadata = new HashMap<>();
metadata.put(Key.ID_KEY, NEW_KEY);
metadata.put(Key.FROM_TABLE_KEY, fromSchema + "." + fromTable);
metadata.put(Key.TARGET_TABLE_KEY, targetSchema + "." + targetTable);
return metadata;
}
public Map<String, Object> getKeyColumnMetadata(String fromColumn, String targetColumn) {
Map<String, Object> metadata = new HashMap<>();
metadata.put(KeyColumn.KEY_ID_KEY, NEW_KEY);
metadata.put(KeyColumn.FROM_COLUMN_KEY, fromColumn);
metadata.put(KeyColumn.TARGET_COLUMN_KEY, targetColumn);
return metadata;
}
@Override
public int hashCode() {
int hash = 7;
hash = 17 * hash + Objects.hashCode(this.fromSchema);
hash = 17 * hash + Objects.hashCode(this.fromTable);
for (String fromColumn : fromColumns) {
hash = 17 * hash + Objects.hashCode(fromColumn);
}
hash = 17 * hash + Objects.hashCode(this.targetSchema);
hash = 17 * hash + Objects.hashCode(this.targetTable);
for (String targetColumn : targetColumns) {
hash = 17 * hash + Objects.hashCode(targetColumn);
}
return hash;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final KeyMetadata other = (KeyMetadata) obj;
if (!Objects.equals(this.fromSchema, other.fromSchema)) {
return false;
}
if (!Objects.equals(this.fromTable, other.fromTable)) {
return false;
}
if (!Objects.equals(this.targetSchema, other.targetSchema)) {
return false;
}
if (!Objects.equals(this.targetTable, other.targetTable)) {
return false;
}
if (this.fromColumns.size() != other.fromColumns.size()) {
return false;
}
for (int i = 0; i < fromColumns.size(); i++) {
String fromColumn = fromColumns.get(i);
if (!Objects.equals(fromColumn, other.fromColumns.get(i))) {
return false;
}
}
if (this.targetColumns.size() != other.targetColumns.size()) {
return false;
}
for (int i = 0; i < targetColumns.size(); i++) {
String targetColumn = targetColumns.get(i);
if (!Objects.equals(targetColumn, other.targetColumns.get(i))) {
return false;
}
}
return true;
}
}