| /* |
| * 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.sis.internal.referencing; |
| |
| import org.opengis.referencing.operation.Matrix; |
| import org.opengis.metadata.quality.PositionalAccuracy; |
| |
| |
| /** |
| * A matrix augmented with annotation about transformation accuracy. |
| * We use this class for passing additional information in methods that returns only a {@link Matrix}. |
| * |
| * @author Martin Desruisseaux (Geomatys) |
| * @version 1.1 |
| * @since 1.1 |
| * @module |
| */ |
| public final class AnnotatedMatrix implements Matrix, Cloneable { |
| /** |
| * The matrix which contains the actual values. |
| */ |
| private final Matrix matrix; |
| |
| /** |
| * Accuracy associated with this matrix. |
| */ |
| public final PositionalAccuracy accuracy; |
| |
| /** |
| * Creates a new matrix wrapping the given matrix. |
| * |
| * @param matrix the matrix which contains the actual values. |
| * @param accuracy accuracy associated with this matrix. |
| */ |
| private AnnotatedMatrix(final Matrix matrix, final PositionalAccuracy accuracy) { |
| this.matrix = matrix; |
| this.accuracy = accuracy; |
| } |
| |
| /** |
| * Returns an {@link AnnotatedMatrix} associates with {@link PositionalAccuracyConstant#INDIRECT_SHIFT_APPLIED}. |
| * |
| * @param matrix the matrix to wrap. |
| * @param intersect whether an intersection has been found between the two datum. |
| * @return the annotated matrix. |
| */ |
| public static Matrix indirect(final Matrix matrix, final boolean intersect) { |
| return new AnnotatedMatrix(matrix, |
| intersect ? PositionalAccuracyConstant.INDIRECT_SHIFT_APPLIED |
| : PositionalAccuracyConstant.DATUM_SHIFT_OMITTED); |
| } |
| |
| /** |
| * Returns the number of rows in this matrix. |
| */ |
| @Override |
| public int getNumRow() { |
| return matrix.getNumRow(); |
| } |
| |
| /** |
| * Returns the number of columns in this matrix. |
| */ |
| @Override |
| public int getNumCol() { |
| return matrix.getNumCol(); |
| } |
| |
| /** |
| * Returns {@code true} if this matrix is an identity matrix. |
| */ |
| @Override |
| public boolean isIdentity() { |
| return matrix.isIdentity(); |
| } |
| |
| /** |
| * Retrieves the value at the specified row and column of this matrix. |
| */ |
| @Override |
| public double getElement(int row, int column) { |
| return matrix.getElement(row, column); |
| } |
| |
| /** |
| * Modifies the value at the specified row and column of this matrix. |
| */ |
| @Override |
| public void setElement(int row, int column, double value) { |
| matrix.setElement(row, column, value); |
| } |
| |
| /** |
| * Returns a clone of this matrix. |
| */ |
| @Override |
| @SuppressWarnings("CloneDoesntCallSuperClone") |
| public Matrix clone() { |
| return new AnnotatedMatrix(matrix.clone(), accuracy); |
| } |
| |
| /** |
| * Compares this matrix with the given object for equality. |
| */ |
| @Override |
| public boolean equals(final Object obj) { |
| if (obj instanceof AnnotatedMatrix) { |
| final AnnotatedMatrix other = (AnnotatedMatrix) obj; |
| return matrix.equals(other.matrix) && accuracy.equals(other.accuracy); |
| } |
| return false; |
| } |
| |
| /** |
| * Returns a hash code value for this matrix. |
| */ |
| @Override |
| public int hashCode() { |
| return matrix.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return matrix.toString(); |
| } |
| } |