| /*=============================================================================# |
| # Copyright (c) 2009, 2020 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.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| |
| import org.eclipse.statet.jcommons.lang.NonNull; |
| import org.eclipse.statet.jcommons.lang.NonNullByDefault; |
| |
| import org.eclipse.statet.rj.data.RJIO; |
| import org.eclipse.statet.rj.data.RStore; |
| |
| |
| /** |
| * This implementation is limited to length of 2<sup>31</sup>-1. |
| */ |
| @NonNullByDefault |
| public class RRaw32Store extends AbstractRawStore |
| implements RDataResizeExtension<Byte>, ExternalizableRStore, Externalizable { |
| |
| |
| private int length; |
| |
| protected byte [] byteValues; |
| |
| |
| public RRaw32Store() { |
| this.byteValues= EMPTY_BYTE_ARRAY; |
| this.length= 0; |
| } |
| |
| public RRaw32Store(final int length) { |
| this.byteValues= new byte[length]; |
| this.length= length; |
| } |
| |
| public RRaw32Store(final byte [] values) { |
| this.byteValues= values; |
| this.length= this.byteValues.length; |
| } |
| |
| |
| public RRaw32Store(final RJIO io, final int length) throws IOException { |
| this.length= length; |
| this.byteValues= io.readByteData(new byte[length], length); |
| } |
| |
| @Override |
| public void writeExternal(final RJIO io) throws IOException { |
| io.writeByteData(this.byteValues, this.length); |
| } |
| |
| @Override |
| public void readExternal(final ObjectInput in) throws IOException { |
| this.length= in.readInt(); |
| this.byteValues= new byte[this.length]; |
| in.readFully(this.byteValues, 0, this.length); |
| } |
| |
| @Override |
| public void writeExternal(final ObjectOutput out) throws IOException { |
| out.writeInt(this.length); |
| out.write(this.byteValues, 0, this.length); |
| } |
| |
| |
| @Override |
| protected final boolean isStructOnly() { |
| return false; |
| } |
| |
| |
| protected final int length() { |
| return this.length; |
| } |
| |
| @Override |
| public final long getLength() { |
| return this.length; |
| } |
| |
| |
| @Override |
| public byte getRaw(final int idx) { |
| return this.byteValues[idx]; |
| } |
| |
| @Override |
| public byte getRaw(final long idx) { |
| if (idx < 0 || idx >= this.length) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| return this.byteValues[(int) idx]; |
| } |
| |
| @Override |
| public void setRaw(final int idx, final byte value) { |
| this.byteValues[idx]= value; |
| } |
| |
| @Override |
| public void setRaw(final long idx, final byte value) { |
| if (idx < 0 || idx >= this.length) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| this.byteValues[(int) idx]= value; |
| } |
| |
| |
| private void prepareInsert(final int[] idxs) { |
| this.byteValues= prepareInsert(this.byteValues, this.length, idxs); |
| this.length+= idxs.length; |
| } |
| |
| public void insert(final int idx, final byte value) { |
| prepareInsert(new int[] { idx }); |
| this.byteValues[idx]= value; |
| } |
| |
| @Override |
| public void insertNA(final int idx) { |
| prepareInsert(new int[] { idx }); |
| this.byteValues[idx]= NA_byte_BYTE; |
| } |
| |
| @Override |
| public void insertNA(final int[] idxs) { |
| if (idxs.length == 0) { |
| return; |
| } |
| prepareInsert(idxs); |
| for (int idx= 0; idx < idxs.length; idx++) { |
| this.byteValues[idx]= NA_byte_BYTE; |
| } |
| } |
| |
| @Override |
| public void remove(final int idx) { |
| this.byteValues= remove(this.byteValues, this.length, new int[] { idx }); |
| this.length--; |
| } |
| |
| @Override |
| public void remove(final int[] idxs) { |
| this.byteValues= remove(this.byteValues, this.length, idxs); |
| this.length-= idxs.length; |
| } |
| |
| |
| @Override |
| public Byte get(final int idx) { |
| if (idx < 0 || idx >= this.length) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| return Byte.valueOf(this.byteValues[idx]); |
| } |
| |
| @Override |
| public Byte get(final long idx) { |
| if (idx < 0 || idx >= this.length) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| return Byte.valueOf(this.byteValues[(int) idx]); |
| } |
| |
| @Override |
| public @NonNull Byte [] toArray() { |
| final var array= new @NonNull Byte [this.length]; |
| final byte[] raws= this.byteValues; |
| for (int i= 0; i < array.length; i++) { |
| array[i]= Byte.valueOf(raws[i]); |
| } |
| return array; |
| } |
| |
| |
| @Override |
| public long indexOf(final int integer, long fromIdx) { |
| if (fromIdx >= Integer.MAX_VALUE |
| || (integer & 0xffffff00) != 0 ) { |
| return -1; |
| } |
| if (fromIdx < 0) { |
| fromIdx= 0; |
| } |
| final byte raw= (byte) (integer & 0xff); |
| final int l= this.length; |
| final byte[] raws= this.byteValues; |
| for (int i= (int) fromIdx; i < l; i++) { |
| if (raws[i] == raw) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| |
| @Override |
| public boolean allEqual(final RStore<?> other) { |
| throw new UnsupportedOperationException("Not yet implemented"); |
| } |
| |
| } |