Example usage for com.google.common.collect ArrayTable at

Introduction

In this page you can find the example usage for com.google.common.collect ArrayTable at.

Prototype

public V at(int rowIndex, int columnIndex) 

Source Link

Document

Returns the value corresponding to the specified row and column indices.

Usage

From source file:org.dishevelled.analysis.AnalysisUtils.java

/**
 * Convert the specified array table to a bit matrix.  Values in the returned bit
 * matrix will be set to true where a value exists in the specified array table
 * accepted by the specified predicate.// w ww .  j a  v  a  2s.com
 *
 * @param <N> array table row and column key type
 * @param <E> array table value type
 * @param table array table to convert, must not be null
 * @param predicate array table value predicate, must not be null
 * @return the specified array table converted to a bit matrix
 */
public static <N, E> BitMatrix2D toBitMatrix(final ArrayTable<N, N, E> table,
        final UnaryPredicate<E> predicate) {
    if (table == null) {
        throw new IllegalArgumentException("table must not be null");
    }
    if (predicate == null) {
        throw new IllegalArgumentException("predicate must not be null");
    }
    int rows = table.rowKeyList().size();
    int columns = table.columnKeyList().size();
    BitMatrix2D bitMatrix = new BitMatrix2D(rows, columns);
    for (int row = 0; row < rows; row++) {
        for (int column = 0; column < columns; column++) {
            bitMatrix.set(row, column, predicate.test(table.at(row, column)));
        }
    }
    return bitMatrix;
}

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