| /** |
| * 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.crunch; |
| |
| import java.util.Arrays; |
| |
| import org.apache.commons.lang.builder.HashCodeBuilder; |
| |
| /** |
| * A {@link Tuple} instance for an arbitrary number of values. |
| */ |
| public class TupleN implements Tuple { |
| |
| private final Object[] values; |
| |
| public static TupleN of(Object... values) { |
| return new TupleN(values); |
| } |
| |
| public TupleN(Object... values) { |
| this.values = new Object[values.length]; |
| System.arraycopy(values, 0, this.values, 0, values.length); |
| } |
| |
| public Object[] getValues() { return values; } |
| |
| @Override |
| public Object get(int index) { |
| return values[index]; |
| } |
| |
| @Override |
| public int size() { |
| return values.length; |
| } |
| |
| @Override |
| public int hashCode() { |
| HashCodeBuilder hcb = new HashCodeBuilder(); |
| for (Object v : values) { |
| hcb.append(v); |
| } |
| return hcb.toHashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| TupleN other = (TupleN) obj; |
| return Arrays.equals(this.values, other.values); |
| } |
| |
| @Override |
| public String toString() { |
| return Arrays.toString(values); |
| } |
| } |