public void addChange(Change change) {
if (change == null) {
return;
}
changes.add(change);
change.setChangeSet(this);
}
/**
* Takes a list of SqlVisitors and returns a new list with only the SqlVisitors set to apply to
* rollbacks
*/
protected List<SqlVisitor> filterRollbackVisitors(final List<SqlVisitor> visitors) {
final List<SqlVisitor> rollbackVisitors = new ArrayList<SqlVisitor>();
if (visitors != null) {
for (SqlVisitor visitor : visitors) {
if (visitor.isApplyToRollback()) {
rollbackVisitors.add(visitor);
}
}
}
return rollbackVisitors;
}
public String getDescription() {
List<Change> changes = getChanges();
if (changes.size() == 0) {
return "empty";
}
List<String> messages = new ArrayList<String>();
for (Change change : changes) {
messages.add(change.getDescription());
}
return StringUtils.limitSize(StringUtils.join(messages, "; "), 255);
}
protected Object serializeValue(Object value) throws ParsedNodeException {
if (value instanceof Collection) {
List returnList = new ArrayList();
for (Object obj : (Collection) value) {
Object objValue = serializeValue(obj);
if (objValue != null) {
returnList.add(objValue);
}
}
if (((Collection) value).size() == 0) {
return null;
} else {
return returnList;
}
} else if (value instanceof LiquibaseSerializable) {
return ((LiquibaseSerializable) value).serialize();
} else {
return value;
}
}
@Override
public void load(ParsedNode parsedNode, ResourceAccessor resourceAccessor)
throws ParsedNodeException {
ChangeMetaData metaData = ChangeFactory.getInstance().getChangeMetaData(this);
this.setResourceAccessor(resourceAccessor);
try {
for (ChangeParameterMetaData param : metaData.getParameters().values()) {
if (Collection.class.isAssignableFrom(param.getDataTypeClass())) {
Class collectionType = (Class) param.getDataTypeClassParameters()[0];
if (param.getDataTypeClassParameters().length == 1) {
if (ColumnConfig.class.isAssignableFrom(collectionType)) {
List<ParsedNode> columnNodes =
new ArrayList<ParsedNode>(parsedNode.getChildren(null, param.getParameterName()));
columnNodes.addAll(parsedNode.getChildren(null, "column"));
Object nodeValue = parsedNode.getValue();
if (nodeValue instanceof ParsedNode) {
columnNodes.add((ParsedNode) nodeValue);
} else if (nodeValue instanceof Collection) {
for (Object nodeValueChild : ((Collection) nodeValue)) {
if (nodeValueChild instanceof ParsedNode) {
columnNodes.add((ParsedNode) nodeValueChild);
}
}
}
for (ParsedNode child : columnNodes) {
if (child.getName().equals("column") || child.getName().equals("columns")) {
List<ParsedNode> columnChildren = child.getChildren(null, "column");
if (columnChildren != null && columnChildren.size() > 0) {
for (ParsedNode columnChild : columnChildren) {
ColumnConfig columnConfig = (ColumnConfig) collectionType.newInstance();
columnConfig.load(columnChild, resourceAccessor);
((ChangeWithColumns) this).addColumn(columnConfig);
}
} else {
ColumnConfig columnConfig = (ColumnConfig) collectionType.newInstance();
columnConfig.load(child, resourceAccessor);
((ChangeWithColumns) this).addColumn(columnConfig);
}
}
}
} else if (LiquibaseSerializable.class.isAssignableFrom(collectionType)) {
List<ParsedNode> childNodes =
new ArrayList<ParsedNode>(parsedNode.getChildren(null, param.getParameterName()));
for (ParsedNode childNode : childNodes) {
LiquibaseSerializable childObject =
(LiquibaseSerializable) collectionType.newInstance();
childObject.load(childNode, resourceAccessor);
((Collection) param.getCurrentValue(this)).add(childObject);
}
}
}
} else if (LiquibaseSerializable.class.isAssignableFrom(param.getDataTypeClass())) {
try {
ParsedNode child = parsedNode.getChild(null, param.getParameterName());
if (child != null) {
LiquibaseSerializable serializableChild =
(LiquibaseSerializable) param.getDataTypeClass().newInstance();
serializableChild.load(child, resourceAccessor);
param.setValue(this, serializableChild);
}
} catch (InstantiationException e) {
throw new UnexpectedLiquibaseException(e);
} catch (IllegalAccessException e) {
throw new UnexpectedLiquibaseException(e);
}
} else {
Object childValue =
parsedNode.getChildValue(null, param.getParameterName(), param.getDataTypeClass());
if (childValue == null
&& param.getSerializationType() == SerializationType.DIRECT_VALUE) {
childValue = parsedNode.getValue();
}
param.setValue(this, childValue);
}
}
} catch (InstantiationException e) {
throw new UnexpectedLiquibaseException(e);
} catch (IllegalAccessException e) {
throw new UnexpectedLiquibaseException(e);
}
customLoadLogic(parsedNode, resourceAccessor);
try {
this.finishInitialization();
} catch (SetupException e) {
throw new ParsedNodeException(e);
}
}
public void addSqlVisitor(SqlVisitor sqlVisitor) {
sqlVisitors.add(sqlVisitor);
}