org.apache.flink.api.java.tuple.Tuple1 Maven / Gradle / Ivy
/*
* 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.
*/
// --------------------------------------------------------------
// THIS IS A GENERATED SOURCE FILE. DO NOT EDIT!
// GENERATED FROM org.apache.flink.api.java.tuple.TupleGenerator.
// --------------------------------------------------------------
package org.apache.flink.api.java.tuple;
import org.apache.flink.util.StringUtils;
/**
* A tuple with 1 fields. Tuples are strongly typed; each field may be of a separate type.
* The fields of the tuple can be accessed directly as public fields (f0, f1, ...) or via their position
* through the {@link #getField(int)} method. The tuple field positions start at zero.
*
* Tuples are mutable types, meaning that their fields can be re-assigned. This allows functions that work
* with Tuples to reuse objects in order to reduce pressure on the garbage collector.
*
* @see Tuple
*
* @param The type of field 0
*/
public class Tuple1 extends Tuple {
private static final long serialVersionUID = 1L;
/** Field 0 of the tuple. */
public T0 f0;
/**
* Creates a new tuple where all fields are null.
*/
public Tuple1() {}
/**
* Creates a new tuple and assigns the given values to the tuple's fields.
*
* @param value0 The value for field 0
*/
public Tuple1(T0 value0) {
this.f0 = value0;
}
@Override
public int getArity() { return 1; }
@Override
@SuppressWarnings("unchecked")
public T getField(int pos) {
switch(pos) {
case 0: return (T) this.f0;
default: throw new IndexOutOfBoundsException(String.valueOf(pos));
}
}
@Override
@SuppressWarnings("unchecked")
public void setField(T value, int pos) {
switch(pos) {
case 0:
this.f0 = (T0) value;
break;
default: throw new IndexOutOfBoundsException(String.valueOf(pos));
}
}
/**
* Sets new values to all fields of the tuple.
*
* @param value0 The value for field 0
*/
public void setFields(T0 value0) {
this.f0 = value0;
}
// -------------------------------------------------------------------------------------------------
// standard utilities
// -------------------------------------------------------------------------------------------------
/**
* Creates a string representation of the tuple in the form
* (f0),
* where the individual fields are the value returned by calling {@link Object#toString} on that field.
* @return The string representation of the tuple.
*/
@Override
public String toString() {
return "(" + StringUtils.arrayAwareToString(this.f0)
+ ")";
}
/**
* Deep equality for tuples by calling equals() on the tuple members
* @param o the object checked for equality
* @return true if this is equal to o.
*/
@Override
public boolean equals(Object o) {
if(this == o) { return true; }
if (!(o instanceof Tuple1)) { return false; }
@SuppressWarnings("rawtypes")
Tuple1 tuple = (Tuple1) o;
if (f0 != null ? !f0.equals(tuple.f0) : tuple.f0 != null) { return false; }
return true;
}
@Override
public int hashCode() {
int result = f0 != null ? f0.hashCode() : 0;
return result;
}
/**
* Shallow tuple copy.
* @return A new Tuple with the same fields as this.
*/
public Tuple1 copy(){
return new Tuple1(this.f0);
}
}