com.frank.search.solr.core.query.AbstractFunction.java Source code

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Here is the source code for com.frank.search.solr.core.query.AbstractFunction.java

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/*
 * Copyright 2012 - 2013 the original author or authors.
 *
 * 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.frank.search.solr.core.query;

import org.springframework.util.CollectionUtils;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * @author Christoph Strobl
 * @since 1.1
 */
public abstract class AbstractFunction implements Function {

    @SuppressWarnings("rawtypes")
    private final List arguments;

    @SuppressWarnings("rawtypes")
    protected AbstractFunction() {
        this(new ArrayList(0));
    }

    @SuppressWarnings({ "rawtypes", "unchecked" })
    protected AbstractFunction(List<?> arguments) {
        this.arguments = new ArrayList();
        if (!CollectionUtils.isEmpty(arguments)) {
            this.arguments.addAll(arguments);
        }
    }

    @SuppressWarnings("unchecked")
    protected void addArgument(Object argument) {
        this.arguments.add(argument);
    }

    @SuppressWarnings("unchecked")
    @Override
    public List<?> getArguments() {
        return Collections.unmodifiableList(this.arguments);
    }

    @Override
    public boolean hasArguments() {
        return !CollectionUtils.isEmpty(arguments);
    }

    @Override
    public String toString() {
        return getClass().getSimpleName() + " [arguments=" + arguments + "]";
    }

}