/
Delete.java
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/
Delete.java
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/**
* Copyright 2013 Alex Yanchenko
*
* 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.droidparts.persist.sql.stmt;
import org.droidparts.model.Entity;
import org.droidparts.util.L;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.util.Pair;
public class Delete<EntityType extends Entity> extends Statement<EntityType> {
public Delete(SQLiteDatabase db, String tableName) {
super(db, tableName);
}
@Override
public Delete<EntityType> whereId(long... oneOrMore) {
return (Delete<EntityType>) super.whereId(oneOrMore);
}
@Override
public Delete<EntityType> where(String columnName, Is operator,
Object... columnValue) {
return (Delete<EntityType>) super.where(columnName, operator,
columnValue);
}
@Override
public Delete<EntityType> where(String selection, Object... selectionArgs) {
return (Delete<EntityType>) super.where(selection, selectionArgs);
}
public int execute() {
Pair<String, String[]> selection = getSelection();
L.d(toString());
int rowCount = 0;
try {
rowCount = db.delete(tableName, selection.first, selection.second);
} catch (SQLException e) {
L.e(e.getMessage());
L.d(e);
}
return rowCount;
}
@Override
public String toString() {
return "DELETE" + super.toString() + ".";
}
}