Coverage Report

Coverage Report - org.apache.giraph.aggregators.matrix.dense.IntDenseMatrix

Classes in this File

Line Coverage

Branch Coverage

Complexity

IntDenseMatrix

0/22

0/4

1.333

 /*
  * 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.dense;
 
 import java.util.ArrayList;
 
 /**
  * A int matrix holds the values of the entries in int vectors. It keeps one int
  * aggregator per matrix row.
  */
 public class IntDenseMatrix {
   /** The number of rows in the matrix */
   private final int numRows;
   /** The number of columns in the matrix */
   private final int numColumns;
   /** The rows of the matrix */
   private ArrayList<IntDenseVector> rows = null;
 
   /**
    * Create a new matrix with the same number of rows and columns.
    *
    * @param size the number of rows and columns
    */
   public IntDenseMatrix(int size) {
     this(size, size);
   }
 
   /**
    * Create a new matrix with the given number of rows and columns.
    *
    * @param numRows the number of rows
    * @param numColumns the number of columns
    */
   public IntDenseMatrix(int numRows, int numColumns) {
     this.numRows = numRows;
     this.numColumns = numColumns;
     rows = new ArrayList<IntDenseVector>();
   }
 
   /**
    * Create a empty matrix with all values set to 0.0
    */
   public void initialize() {
     rows.clear();
     for (int i = 0; i < numRows; ++i) {
       rows.add(new IntDenseVector(numColumns));
     }
   }
 
   /**
    * Get the number of rows in the matrix.
    *
    * @return the number of rows
    */
   public int getNumRows() {
     return numRows;
   }
 
   /**
    * Get the number of the columns in the matrix.
    *
    * @return the number of rows
    */
   public int getNumColumns() {
     return numColumns;
   }
 
   /**
    * 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 IntDenseVector getRow(int i) {
     return rows.get(i);
   }
 
   /**
    * Add the int vector as a row in the matrix.
    *
    * @param vec the vector to add
    */
   public void addRow(IntDenseVector vec) {
     if (rows.size() >= numRows) {
       throw new RuntimeException("Cannot add more rows!");
     }
     rows.add(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.dense;
20
21		import java.util.ArrayList;
22
23		/**
24		* A int matrix holds the values of the entries in int vectors. It keeps one int
25		* aggregator per matrix row.
26		*/
27		public class IntDenseMatrix {
28		/** The number of rows in the matrix */
29		private final int numRows;
30		/** The number of columns in the matrix */
31		private final int numColumns;
32		/** The rows of the matrix */
33	0	private ArrayList<IntDenseVector> rows = null;
34
35		/**
36		* Create a new matrix with the same number of rows and columns.
37		*
38		* @param size the number of rows and columns
39		*/
40		public IntDenseMatrix(int size) {
41	0	this(size, size);
42	0	}
43
44		/**
45		* Create a new matrix with the given number of rows and columns.
46		*
47		* @param numRows the number of rows
48		* @param numColumns the number of columns
49		*/
50	0	public IntDenseMatrix(int numRows, int numColumns) {
51	0	this.numRows = numRows;
52	0	this.numColumns = numColumns;
53	0	rows = new ArrayList<IntDenseVector>();
54	0	}
55
56		/**
57		* Create a empty matrix with all values set to 0.0
58		*/
59		public void initialize() {
60	0	rows.clear();
61	0	for (int i = 0; i < numRows; ++i) {
62	0	rows.add(new IntDenseVector(numColumns));
63		}
64	0	}
65
66		/**
67		* Get the number of rows in the matrix.
68		*
69		* @return the number of rows
70		*/
71		public int getNumRows() {
72	0	return numRows;
73		}
74
75		/**
76		* Get the number of the columns in the matrix.
77		*
78		* @return the number of rows
79		*/
80		public int getNumColumns() {
81	0	return numColumns;
82		}
83
84		/**
85		* Get a specific entry of the matrix.
86		*
87		* @param i the row
88		* @param j the column
89		* @return the value of the entry
90		*/
91		public int get(int i, int j) {
92	0	return rows.get(i).get(j);
93		}
94
95		/**
96		* Set a specific entry of the matrix.
97		*
98		* @param i the row
99		* @param j the column
100		* @param v the value of the entry
101		*/
102		public void set(int i, int j, int v) {
103	0	rows.get(i).set(j, v);
104	0	}
105
106		/**
107		* Get a specific row of the matrix.
108		*
109		* @param i the row number
110		* @return the row of the matrix
111		*/
112		public IntDenseVector getRow(int i) {
113	0	return rows.get(i);
114		}
115
116		/**
117		* Add the int vector as a row in the matrix.
118		*
119		* @param vec the vector to add
120		*/
121		public void addRow(IntDenseVector vec) {
122	0	if (rows.size() >= numRows) {
123	0	throw new RuntimeException("Cannot add more rows!");
124		}
125	0	rows.add(vec);
126	0	}
127		}