com.cloudera.impala.analysis.FunctionArgs.java Source code

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Here is the source code for com.cloudera.impala.analysis.FunctionArgs.java

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// Copyright 2012 Cloudera 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.cloudera.impala.analysis;

import java.util.ArrayList;

import com.cloudera.impala.catalog.Type;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;

// Wrapper class around argument types and if it has varArgs
public class FunctionArgs {
    public final ArrayList<Type> argTypes;
    public boolean hasVarArgs;

    public FunctionArgs() {
        argTypes = Lists.newArrayList();
        hasVarArgs = false;
    }

    public FunctionArgs(ArrayList<Type> argTypes, boolean varArgs) {
        this.argTypes = argTypes;
        this.hasVarArgs = varArgs;
        if (varArgs)
            Preconditions.checkState(argTypes.size() > 0);
    }

    public void setHasVarArgs(boolean b) {
        hasVarArgs = b;
    }
}