org.apache.tinkerpop.gremlin.groovy.loaders.ObjectLoader.groovy Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of gremlin-groovy Show documentation

There is a newer version: 3.7.3

/*
 * 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.tinkerpop.gremlin.groovy.loaders
/**
 * @author Marko A. Rodriguez (http://markorodriguez.com)
 */

class ObjectLoader {

    public static void load() {

        Map.metaClass.getAt = { final IntRange range ->
            final int size = delegate.size();
            int high = Math.min(size - 1, range.max());
            int low = Math.max(0, range.min());

            final Map tempMap = new LinkedHashMap();
            int c = 0;
            for (final Map.Entry entry : delegate.entrySet()) {
                if (c >= low && c <= high) {
                    tempMap.put(entry.getKey(), entry.getValue());
                }
                if (c > high) {
                    break;
                }
                c++;
            }
            return tempMap;
        }
    }
}