/*
* DBeaver - Universal Database Manager
* Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
* Copyright (C) 2011-2012 Eugene Fradkin (eugene.fradkin@gmail.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jkiss.dbeaver.ext.oracle.edit;
import org.jkiss.code.Nullable;
import org.jkiss.dbeaver.DBException;
import org.jkiss.dbeaver.model.DBPEvaluationContext;
import org.jkiss.dbeaver.model.edit.DBEPersistAction;
import org.jkiss.dbeaver.ext.oracle.model.OracleMaterializedView;
import org.jkiss.dbeaver.ext.oracle.model.OracleSchema;
import org.jkiss.dbeaver.model.edit.DBECommandContext;
import org.jkiss.dbeaver.model.impl.DBSObjectCache;
import org.jkiss.dbeaver.model.impl.edit.SQLDatabasePersistAction;
import org.jkiss.dbeaver.model.impl.sql.edit.SQLObjectEditor;
import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;
import org.jkiss.dbeaver.model.struct.DBSObject;
import org.jkiss.dbeaver.utils.GeneralUtils;
import org.jkiss.utils.CommonUtils;
import java.util.List;
/**
* OracleMaterializedViewManager
*/
public class OracleMaterializedViewManager extends SQLObjectEditor<OracleMaterializedView, OracleSchema> {
@Override
public long getMakerOptions()
{
return FEATURE_EDITOR_ON_CREATE;
}
@Override
protected void validateObjectProperties(ObjectChangeCommand command)
throws DBException
{
if (CommonUtils.isEmpty(command.getObject().getName())) {
throw new DBException("View name cannot be empty"); //$NON-NLS-1$
}
if (CommonUtils.isEmpty(command.getObject().getObjectDefinitionText(null))) {
throw new DBException("View definition cannot be empty"); //$NON-NLS-1$
}
}
@Nullable
@Override
public DBSObjectCache<? extends DBSObject, OracleMaterializedView> getObjectsCache(OracleMaterializedView object)
{
return object.getSchema().mviewCache;
}
@Override
protected OracleMaterializedView createDatabaseObject(DBRProgressMonitor monitor, DBECommandContext context, OracleSchema parent, Object copyFrom)
{
OracleMaterializedView newView = new OracleMaterializedView(parent, "NewView"); //$NON-NLS-1$
return newView;
}
@Override
protected void addObjectCreateActions(List<DBEPersistAction> actions, ObjectCreateCommand command)
{
createOrReplaceViewQuery(actions, command.getObject());
}
@Override
protected void addObjectModifyActions(List<DBEPersistAction> actionList, ObjectChangeCommand command)
{
createOrReplaceViewQuery(actionList, command.getObject());
}
@Override
protected void addObjectDeleteActions(List<DBEPersistAction> actions, ObjectDeleteCommand command)
{
actions.add(
new SQLDatabasePersistAction("Drop view", "DROP MATERIALIZED VIEW " + command.getObject().getFullyQualifiedName(DBPEvaluationContext.DDL)) //$NON-NLS-2$
);
}
private void createOrReplaceViewQuery(List<DBEPersistAction> actions, OracleMaterializedView view)
{
StringBuilder decl = new StringBuilder(200);
final String lineSeparator = GeneralUtils.getDefaultLineSeparator();
decl.append("CREATE MATERIALIZED VIEW ").append(view.getFullyQualifiedName(DBPEvaluationContext.DDL)).append(lineSeparator) //$NON-NLS-1$
.append("AS ").append(view.getObjectDefinitionText(null)); //$NON-NLS-1$
actions.add(
new SQLDatabasePersistAction("Drop view", "DROP MATERIALIZED VIEW " + view.getFullyQualifiedName(DBPEvaluationContext.DDL))); //$NON-NLS-2$
actions.add(
new SQLDatabasePersistAction("Create view", decl.toString()));
}
}