/*
* Copyright (C) 2012-2015 DataStax Inc.
*
* 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 com.datastax.driver.core.querybuilder;
import com.datastax.driver.core.CodecRegistry;
import com.datastax.driver.core.ColumnMetadata;
import com.datastax.driver.core.Metadata;
import com.datastax.driver.core.TableMetadata;
import java.util.Arrays;
import java.util.List;
/**
* A built TRUNCATE statement.
*/
public class Truncate extends BuiltStatement {
private final String table;
Truncate(String keyspace, String table) {
this(keyspace, table, null, null);
}
Truncate(TableMetadata table) {
this(Metadata.quoteIfNecessary(table.getKeyspace().getName()),
Metadata.quoteIfNecessary(table.getName()),
Arrays.asList(new Object[table.getPartitionKey().size()]),
table.getPartitionKey());
}
Truncate(String keyspace,
String table,
List<Object> routingKeyValues,
List<ColumnMetadata> partitionKey) {
super(keyspace, partitionKey, routingKeyValues);
this.table = table;
}
@Override
protected StringBuilder buildQueryString(List<Object> variables, CodecRegistry codecRegistry) {
StringBuilder builder = new StringBuilder();
builder.append("TRUNCATE ");
if (keyspace != null)
Utils.appendName(keyspace, builder).append('.');
Utils.appendName(table, builder);
return builder;
}
}