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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.database.schema.internal.data;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.osee.framework.jdk.core.persistence.Xmlizable;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* @author Roberto E. Escobar
*/
public class ReferenceClause implements Xmlizable {
public static final String REFERENCES_TAG = "References";
public enum ReferencesFields {
schema,
table,
column,
onUpdate,
onDelete;
}
public enum OnDeleteEnum {
NO_ACTION,
RESTRICT,
CASCADE,
SET_NULL,
UNSPECIFIED;
@Override
public String toString() {
String toReturn = super.toString();
toReturn = toReturn.replaceAll("_", " ");
return toReturn;
}
}
public enum OnUpdateEnum {
NO_ACTION,
RESTRICT,
UNSPECIFIED;
@Override
public String toString() {
String toReturn = super.toString();
toReturn = toReturn.replaceAll("_", " ");
return toReturn;
}
}
private String schema;
private String table;
List<String> columns;
OnDeleteEnum onDeleteAction;
OnUpdateEnum onUpdateAction;
public ReferenceClause(String schema, String table) {
this.schema = schema.toUpperCase();
this.schema = this.schema.trim();
this.table = table.toUpperCase();
this.table = this.table.trim();
this.columns = new ArrayList<String>();
this.onDeleteAction = OnDeleteEnum.UNSPECIFIED;
this.onUpdateAction = OnUpdateEnum.UNSPECIFIED;
}
public void setSchema(String schema) {
this.schema = schema;
}
public OnDeleteEnum getOnDeleteAction() {
return onDeleteAction;
}
public OnUpdateEnum getOnUpdateAction() {
return onUpdateAction;
}
public void setOnDeleteAction(OnDeleteEnum onDeleteAction) {
this.onDeleteAction = onDeleteAction;
}
public void setOnUpdateAction(OnUpdateEnum onUpdateAction) {
this.onUpdateAction = onUpdateAction;
}
public void addColumn(String column) {
column = column.toUpperCase();
column = column.trim();
columns.add(column);
}
public String getFullyQualifiedTableName() {
return schema + "." + table;
}
public List<String> getColumns() {
return columns;
}
public String getCommaSeparatedColumnsList() {
return org.eclipse.osee.framework.jdk.core.util.Collections.toString(",", columns);
}
@Override
public String toString() {
String toReturn = REFERENCES_TAG + ": " + getFullyQualifiedTableName();
toReturn += "\t[";
for (String column : columns) {
toReturn += column + " ";
}
toReturn += "]";
return toReturn;
}
@Override
public Element toXml(Document doc) {
Element refElement = doc.createElement(REFERENCES_TAG);
refElement.setAttribute(ReferencesFields.schema.name(), schema);
refElement.setAttribute(ReferencesFields.table.name(), table);
refElement.setAttribute(ReferencesFields.column.name(), getCommaSeparatedColumnsList());
if (!onDeleteAction.equals(OnDeleteEnum.UNSPECIFIED)) {
refElement.setAttribute(ReferencesFields.onDelete.name(), onDeleteAction.toString());
}
if (!onUpdateAction.equals(OnUpdateEnum.UNSPECIFIED)) {
refElement.setAttribute(ReferencesFields.onUpdate.name(), onUpdateAction.toString());
}
return refElement;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((columns == null) ? 0 : columns.hashCode());
result = prime * result + ((onDeleteAction == null) ? 0 : onDeleteAction.hashCode());
result = prime * result + ((onUpdateAction == null) ? 0 : onUpdateAction.hashCode());
result = prime * result + ((schema == null) ? 0 : schema.hashCode());
result = prime * result + ((table == null) ? 0 : table.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
ReferenceClause other = (ReferenceClause) obj;
if (columns == null) {
if (other.columns != null) {
return false;
}
} else if (!columns.equals(other.columns)) {
return false;
}
if (onDeleteAction != other.onDeleteAction) {
return false;
}
if (onUpdateAction != other.onUpdateAction) {
return false;
}
if (schema == null) {
if (other.schema != null) {
return false;
}
} else if (!schema.equals(other.schema)) {
return false;
}
if (table == null) {
if (other.table != null) {
return false;
}
} else if (!table.equals(other.table)) {
return false;
}
return true;
}
}
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