Coverage Report

Coverage Report - org.apache.giraph.aggregators.matrix.sparse.IntSparseMatrix

Classes in this File

Line Coverage

Branch Coverage

Complexity

IntSparseMatrix

0/16

0/2

1.143

 /*
  * 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.giraph.aggregators.matrix.sparse;
 
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 
 /**
  * A int matrix holds the values of the entries in int vectors. It keeps one
  * int aggregator per matrix row.
  */
 public class IntSparseMatrix {
   /** The number of rows in the matrix */
   private final int numRows;
   /** The rows of the matrix */
   private final Int2ObjectOpenHashMap<IntSparseVector> rows;
 
   /**
    * Create a new matrix with the given number of rows.
    *
    * @param numRows the number of rows.
    */
   public IntSparseMatrix(int numRows) {
     this.numRows = numRows;
     rows = new Int2ObjectOpenHashMap<IntSparseVector>(numRows);
     rows.defaultReturnValue(null);
   }
 
   /**
    * Create a empty matrix with all values set to 0.0
    */
   public void initialize() {
     rows.clear();
     for (int i = 0; i < numRows; ++i) {
       setRow(i, new IntSparseVector());
     }
   }
 
   /**
    * Get the number of rows in the matrix.
    *
    * @return the number of rows.
    */
   public int getNumRows() {
     return numRows;
   }
 
   /**
    * Get a specific entry of the matrix.
    *
    * @param i the row
    * @param j the column
    * @return the value of the entry
    */
   public int get(int i, int j) {
     return rows.get(i).get(j);
   }
 
   /**
    * Set a specific entry of the matrix.
    *
    * @param i the row
    * @param j the column
    * @param v the value of the entry
    */
   public void set(int i, int j, int v) {
     rows.get(i).set(j, v);
   }
 
   /**
    * Get a specific row of the matrix.
    *
    * @param i the row number
    * @return the row of the matrix
    */
   public IntSparseVector getRow(int i) {
     return rows.get(i);
   }
 
   /**
    * Set the int vector as the row specified.
    *
    * @param i the row
    * @param vec the vector to set as the row
    */
   public void setRow(int i, IntSparseVector vec) {
     rows.put(i, vec);
   }
 }

1		/*
2		* Licensed to the Apache Software Foundation (ASF) under one
3		* or more contributor license agreements. See the NOTICE file
4		* distributed with this work for additional information
5		* regarding copyright ownership. The ASF licenses this file
6		* to you under the Apache License, Version 2.0 (the
7		* "License"); you may not use this file except in compliance
8		* with the License. You may obtain a copy of the License at
9		*
10		* http://www.apache.org/licenses/LICENSE-2.0
11		*
12		* Unless required by applicable law or agreed to in writing, software
13		* distributed under the License is distributed on an "AS IS" BASIS,
14		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15		* See the License for the specific language governing permissions and
16		* limitations under the License.
17		*/
18
19		package org.apache.giraph.aggregators.matrix.sparse;
20
21		import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
22
23		/**
24		* A int matrix holds the values of the entries in int vectors. It keeps one
25		* int aggregator per matrix row.
26		*/
27		public class IntSparseMatrix {
28		/** The number of rows in the matrix */
29		private final int numRows;
30		/** The rows of the matrix */
31		private final Int2ObjectOpenHashMap<IntSparseVector> rows;
32
33		/**
34		* Create a new matrix with the given number of rows.
35		*
36		* @param numRows the number of rows.
37		*/
38	0	public IntSparseMatrix(int numRows) {
39	0	this.numRows = numRows;
40	0	rows = new Int2ObjectOpenHashMap<IntSparseVector>(numRows);
41	0	rows.defaultReturnValue(null);
42	0	}
43
44		/**
45		* Create a empty matrix with all values set to 0.0
46		*/
47		public void initialize() {
48	0	rows.clear();
49	0	for (int i = 0; i < numRows; ++i) {
50	0	setRow(i, new IntSparseVector());
51		}
52	0	}
53
54		/**
55		* Get the number of rows in the matrix.
56		*
57		* @return the number of rows.
58		*/
59		public int getNumRows() {
60	0	return numRows;
61		}
62
63		/**
64		* Get a specific entry of the matrix.
65		*
66		* @param i the row
67		* @param j the column
68		* @return the value of the entry
69		*/
70		public int get(int i, int j) {
71	0	return rows.get(i).get(j);
72		}
73
74		/**
75		* Set a specific entry of the matrix.
76		*
77		* @param i the row
78		* @param j the column
79		* @param v the value of the entry
80		*/
81		public void set(int i, int j, int v) {
82	0	rows.get(i).set(j, v);
83	0	}
84
85		/**
86		* Get a specific row of the matrix.
87		*
88		* @param i the row number
89		* @return the row of the matrix
90		*/
91		public IntSparseVector getRow(int i) {
92	0	return rows.get(i);
93		}
94
95		/**
96		* Set the int vector as the row specified.
97		*
98		* @param i the row
99		* @param vec the vector to set as the row
100		*/
101		public void setRow(int i, IntSparseVector vec) {
102	0	rows.put(i, vec);
103	0	}
104		}