| /*=============================================================================# |
| # Copyright (c) 2009, 2019 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.rj.data.impl; |
| |
| import java.io.IOException; |
| |
| import org.eclipse.statet.rj.data.RJIO; |
| |
| |
| /** |
| * Based on int array. |
| * |
| * This implementation is limited to length of 2<sup>31</sup>-1. |
| */ |
| public class RLogicalInt32Store extends AbstractLogicalStore |
| implements RDataResizeExtension<Boolean>, ExternalizableRStore { |
| |
| |
| private int length; |
| |
| protected int[] boolValues; |
| |
| |
| public RLogicalInt32Store() { |
| this.boolValues= EMPTY_INT_ARRAY; |
| this.length= 0; |
| } |
| |
| public RLogicalInt32Store(final boolean[] values, final int[] naIdxs) { |
| this.boolValues= new int[values.length]; |
| for (int i= values.length-1; i >= 0; i--) { |
| this.boolValues[i]= values[i] ? TRUE_INT : FALSE_INT; |
| } |
| this.length= this.boolValues.length; |
| if (naIdxs != null) { |
| for (int i= 0; i < naIdxs.length; i++) { |
| this.boolValues[naIdxs[i]]= NA_logical_INT; |
| } |
| } |
| } |
| |
| /** |
| * Create new logical data based on the given Java int array |
| * encoded as follows: |
| * <code>FALSE</code>= 0 |
| * <code>NA</code>= 2 |
| * <code>TRUE</code>= anything else (default value 1) |
| * |
| * @param values encoded value array, used directly (not copied) |
| */ |
| public RLogicalInt32Store(final int[] values) { |
| this.length= values.length; |
| this.boolValues= values; |
| } |
| |
| public RLogicalInt32Store(final RJIO io, final int length) throws IOException { |
| this.length= length; |
| this.boolValues= new int[length]; |
| for (int i= 0; i < this.length; i++) { |
| final byte b= io.readByte(); |
| if (b == TRUE_BYTE) { |
| this.boolValues[i]= TRUE_INT; |
| } |
| else if (b == NA_logical_BYTE) { |
| this.boolValues[i]= NA_integer_INT; |
| } |
| else { |
| this.boolValues[i]= FALSE_INT; |
| } |
| } |
| } |
| |
| @Override |
| public void writeExternal(final RJIO io) throws IOException { |
| for (int i= 0; i < this.length; i++) { |
| switch (this.boolValues[i]) { |
| case FALSE_INT: |
| io.writeByte(FALSE_BYTE); |
| continue; |
| case NA_logical_INT: |
| io.writeByte(NA_logical_BYTE); |
| continue; |
| default: |
| io.writeByte(TRUE_BYTE); |
| continue; |
| } |
| } |
| } |
| |
| |
| @Override |
| protected final boolean isStructOnly() { |
| return false; |
| } |
| |
| |
| protected final int length() { |
| return this.length; |
| } |
| |
| @Override |
| public final long getLength() { |
| return this.length; |
| } |
| |
| @Override |
| public boolean isNA(final int idx) { |
| return (this.boolValues[idx] == NA_logical_INT); |
| } |
| |
| @Override |
| public boolean isNA(final long idx) { |
| if (idx < 0 || idx >= length()) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| return (this.boolValues[(int) idx] == NA_logical_INT); |
| } |
| |
| @Override |
| public boolean isMissing(final int idx) { |
| return (this.boolValues[idx] == NA_logical_INT); |
| } |
| |
| @Override |
| public boolean isMissing(final long idx) { |
| if (idx < 0 || idx >= length()) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| return (this.boolValues[(int) idx] == NA_logical_INT); |
| } |
| |
| @Override |
| public void setNA(final int idx) { |
| this.boolValues[idx]= NA_logical_INT; |
| } |
| |
| @Override |
| public void setNA(final long idx) { |
| if (idx < 0 || idx >= length()) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| this.boolValues[(int) idx]= NA_logical_INT; |
| } |
| |
| @Override |
| public boolean getLogi(final int idx) { |
| return (this.boolValues[idx] != FALSE_INT); |
| } |
| |
| @Override |
| public boolean getLogi(final long idx) { |
| if (idx < 0 || idx >= length()) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| return (this.boolValues[(int) idx] != FALSE_INT); |
| } |
| |
| @Override |
| public void setLogi(final int idx, final boolean value) { |
| this.boolValues[idx]= value ? TRUE_INT : FALSE_INT; |
| } |
| |
| @Override |
| public void setLogi(final long idx, final boolean value) { |
| if (idx < 0 || idx >= length()) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| this.boolValues[(int) idx]= value ? TRUE_INT : FALSE_INT; |
| } |
| |
| |
| private void prepareInsert(final int[] idxs) { |
| this.boolValues= prepareInsert(this.boolValues, this.length, idxs); |
| this.length+= idxs.length; |
| } |
| |
| public void insertLogi(final int idx, final boolean value) { |
| prepareInsert(new int[] { idx }); |
| this.boolValues[idx]= value ? TRUE_INT : FALSE_INT; |
| } |
| |
| @Override |
| public void insertNA(final int idx) { |
| prepareInsert(new int[] { idx }); |
| this.boolValues[idx]= NA_logical_INT; |
| } |
| |
| @Override |
| public void insertNA(final int[] idxs) { |
| if (idxs.length == 0) { |
| return; |
| } |
| prepareInsert(idxs); |
| for (int idx= 0; idx < idxs.length; idx++) { |
| this.boolValues[idxs[idx]+idx]= NA_logical_INT; |
| } |
| } |
| |
| @Override |
| public void remove(final int idx) { |
| this.boolValues= remove(this.boolValues, this.length, new int[] { idx }); |
| this.length--; |
| } |
| |
| @Override |
| public void remove(final int[] idxs) { |
| this.boolValues= remove(this.boolValues, this.length, idxs); |
| this.length-= idxs.length; |
| } |
| |
| |
| @Override |
| public Boolean get(final int idx) { |
| if (idx < 0 || idx >= length()) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| return (this.boolValues[idx] != NA_logical_INT) ? |
| ((this.boolValues[idx] == TRUE_INT) ? Boolean.TRUE : Boolean.FALSE) : null; |
| } |
| |
| @Override |
| public Boolean get(final long idx) { |
| if (idx < 0 || idx >= length()) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| return (this.boolValues[(int) idx] != NA_logical_INT) ? |
| ((this.boolValues[(int) idx] == TRUE_INT) ? Boolean.TRUE : Boolean.FALSE) : null; |
| } |
| |
| @Override |
| public Boolean[] toArray() { |
| final Boolean[] array= new Boolean[length()]; |
| for (int i= 0; i < array.length; i++) { |
| if (this.boolValues[i] != NA_logical_INT) { |
| array[i]= (this.boolValues[i] == TRUE_INT) ? Boolean.TRUE : Boolean.FALSE; |
| } |
| } |
| return array; |
| } |
| |
| |
| @Override |
| public long indexOfNA(long fromIdx) { |
| if (fromIdx >= Integer.MAX_VALUE) { |
| return -1; |
| } |
| if (fromIdx < 0) { |
| fromIdx= 0; |
| } |
| final long l= getLength(); |
| final int[] ints= this.boolValues; |
| for (int i= (int) fromIdx; i < l; i++) { |
| if (ints[i] == NA_integer_INT) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| @Override |
| public long indexOf(final int integer, long fromIdx) { |
| if (fromIdx >= Integer.MAX_VALUE |
| || integer == NA_integer_INT ) { |
| return -1; |
| } |
| if (fromIdx < 0) { |
| fromIdx= 0; |
| } |
| final int l= length(); |
| final int[] ints= this.boolValues; |
| if (integer != 0) { |
| for (int i= (int) fromIdx; i < l; i++) { |
| if (ints[i] == TRUE_INT) { |
| return i; |
| } |
| } |
| } |
| else { |
| for (int i= (int) fromIdx; i < l; i++) { |
| if (ints[i] == FALSE_INT) { |
| return i; |
| } |
| } |
| } |
| return -1; |
| } |
| |
| } |