792f606a64
Contains the cql3 grammer and supporting classes, which will be converted one by one. From commit bf599fb5b062cbcc652da78b7d699e7a01b949ad.
45 lines
1.4 KiB
Java
45 lines
1.4 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.functions;
|
|
|
|
import java.util.Arrays;
|
|
|
|
import org.apache.cassandra.db.marshal.AbstractType;
|
|
|
|
/**
|
|
* Base class for our native/hardcoded functions.
|
|
*/
|
|
public abstract class NativeFunction extends AbstractFunction
|
|
{
|
|
protected NativeFunction(String name, AbstractType<?> returnType, AbstractType<?>... argTypes)
|
|
{
|
|
super(FunctionName.nativeFunction(name), Arrays.asList(argTypes), returnType);
|
|
}
|
|
|
|
// Most of our functions are pure, the other ones should override this
|
|
public boolean isPure()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
public boolean isNative()
|
|
{
|
|
return true;
|
|
}
|
|
}
|