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Tensorics is a java framework which uses a tensor as a central object. A tensor represents a set of values placed in an N-dimensional space. Wherever you are tempted to use maps of maps, a tensor might be a good choice ;-) Tensorics provides methods to create, transform and performing calculations with those tensors.

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// @formatter:off
 /*******************************************************************************
 *
 * This file is part of tensorics.
 * 
 * Copyright (c) 2008-2011, CERN. All rights reserved.
 *
 * 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.
 * 
 ******************************************************************************/
// @formatter:on

package org.tensorics.core.tensor;

import java.io.Serializable;

/**
 * @author kfuchsbe
 * @param 
 *            The type of the value of the tensor entry
 */
@SuppressWarnings("PMD.CyclomaticComplexity")
@Deprecated
public class ImmutableEntry implements Tensor.Entry, Serializable {

	private static final long serialVersionUID = 1L;

	private final T value;
	private final Position position;

	public ImmutableEntry(Position position, T value) {
		this.value = value;
		this.position = position;
	}

	@Override
	public T getValue() {
		return value;
	}

	@Override
	public String toString() {
		return "ImmutableEntry [value=" + value + ", coordinates="
				+ position.getCoordinates() + "]";
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result
				+ ((position == null) ? 0 : position.hashCode());
		result = prime * result + ((value == null) ? 0 : value.hashCode());
		return result;
	}

	@SuppressWarnings({ "rawtypes", "PMD.CyclomaticComplexity" })
	@Override
	public boolean equals(Object obj) {
		if (this == obj) {
			return true;
		}
		if (obj == null) {
			return false;
		}
		if (getClass() != obj.getClass()) {
			return false;
		}
		ImmutableEntry other = (ImmutableEntry) obj;
		if (position == null) {
			if (other.position != null) {
				return false;
			}
		} else if (!position.equals(other.position)) {
			return false;
		}
		if (value == null) {
			if (other.value != null) {
				return false;
			}
		} else if (!value.equals(other.value)) {
			return false;
		}
		return true;
	}

	@Override
	public Position getPosition() {
		return this.position;
	}

}