Contains the cql3 grammer and supporting classes, which will be converted one by one. From commit bf599fb5b062cbcc652da78b7d699e7a01b949ad.
62 lines
2.0 KiB
Java
62 lines
2.0 KiB
Java
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you 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.apache.cassandra.cql3.selection;
|
|
|
|
import java.util.List;
|
|
|
|
import org.apache.cassandra.config.CFMetaData;
|
|
import org.apache.cassandra.cql3.ColumnIdentifier;
|
|
|
|
import com.google.common.base.Function;
|
|
import com.google.common.collect.Lists;
|
|
|
|
public class RawSelector
|
|
{
|
|
public final Selectable.Raw selectable;
|
|
public final ColumnIdentifier alias;
|
|
|
|
public RawSelector(Selectable.Raw selectable, ColumnIdentifier alias)
|
|
{
|
|
this.selectable = selectable;
|
|
this.alias = alias;
|
|
}
|
|
|
|
/**
|
|
* Converts the specified list of <code>RawSelector</code>s into a list of <code>Selectable</code>s.
|
|
*
|
|
* @param raws the <code>RawSelector</code>s to converts.
|
|
* @return a list of <code>Selectable</code>s
|
|
*/
|
|
public static List<Selectable> toSelectables(List<RawSelector> raws, final CFMetaData cfm)
|
|
{
|
|
return Lists.transform(raws, new Function<RawSelector, Selectable>()
|
|
{
|
|
public Selectable apply(RawSelector raw)
|
|
{
|
|
return raw.selectable.prepare(cfm);
|
|
}
|
|
});
|
|
}
|
|
|
|
public boolean processesSelection()
|
|
{
|
|
return selectable.processesSelection();
|
|
}
|
|
}
|