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org.objectfabric.TArrayVersionTObject Maven / Gradle / Ivy
/**
* This file is part of ObjectFabric (http://objectfabric.org).
*
* ObjectFabric is licensed under the Apache License, Version 2.0, the terms
* of which may be found at http://www.apache.org/licenses/LICENSE-2.0.html.
*
* Copyright ObjectFabric Inc.
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
package org.objectfabric;
//==============================================================================
//
// THIS FILE HAS BEEN GENERATED BY OBJECTFABRIC
//
//==============================================================================
class TArrayVersionTObject extends TIndexed.VersionN {
// .NETstatic readonly bool IS_TOBJECT = ObjectFabric.TType.IsTObject(typeof(T));
private TObject[][] _values;
TArrayVersionTObject(int length) {
super(length);
if (length > 0) {
// Preallocate (C.f. TIndexedNVersion._writes)
int arrayLength = getBits().length;
_values = new TObject[arrayLength][];
}
}
final TObject[][] getValues() {
return _values;
}
final void setValues(TObject[][] value) {
_values = value;
}
public final TObject get(int index) {
if (_values != null) {
int foldedIndex = org.objectfabric.Bits.getFoldedIntIndexFromIndex(getBits(), index);
if (foldedIndex >= 0) {
TObject[] current = _values[foldedIndex];
if (current != null)
return current[index & org.objectfabric.Bits.BIT_INDEX_MASK];
}
}
return null;
}
@Override
public final java.lang.Object getAsObject(int index) {
return get(index);
}
public final void set(int index, TObject value) {
if (_values == null) {
if (value != null) {
int arrayLength = getBits().length;
_values = new TObject[arrayLength][];
}
} else {
if (org.objectfabric.Debug.ENABLED)
org.objectfabric.Debug.assertion(_values.length == getBits().length);
}
if (_values != null) {
int folded = org.objectfabric.Bits.getFoldedIntIndexFromIndex(getBits(), index);
if (_values[folded] == null) {
if (value != null) {
int arrayLength = org.objectfabric.Bits.BITS_PER_UNIT;
_values[folded] = new TObject[arrayLength];
}
}
if (_values[folded] != null)
_values[folded][index & org.objectfabric.Bits.BIT_INDEX_MASK] = value;
}
}
@SuppressWarnings("cast")
@Override
public final void setAsObject(int index, java.lang.Object value) {
set(index, (TObject) value);
}
@Override
final void reindexed(org.objectfabric.Bits.Entry[] old) {
if (_values != null) {
TObject[][] oldValues = _values;
int arrayLength = getBits().length;
_values = new TObject[arrayLength][];
for (int i = old.length - 1; i >= 0; i--) {
if (old[i] != null) {
int intIndex = old[i].IntIndex;
int folded = org.objectfabric.Bits.getFoldedIntIndexFromIntIndex(getBits(), intIndex);
if (org.objectfabric.Debug.ENABLED)
org.objectfabric.Debug.assertion(_values[folded] == null);
_values[folded] = oldValues[i];
}
}
}
}
@Override
TObject.Version merge(TObject.Version target, TObject.Version next, boolean threadPrivate) {
TArrayVersionTObject source = (TArrayVersionTObject) next;
TArrayVersionTObject merged = (TArrayVersionTObject) super.merge(target, next, threadPrivate);
merged.merge(source, false);
return merged;
}
@Override
void deepCopy(TObject.Version source_) {
TArrayVersionTObject source = (TArrayVersionTObject) source_;
super.deepCopy(source);
merge(source, true);
}
// TODO simplify
@SuppressWarnings("cast")
private final void merge(TArrayVersionTObject source, boolean deep) {
boolean skip1 = _values == null;
if (skip1)
if (getBits() != null && source.getBits() != null)
if (getBits().length != source.getBits().length)
skip1 = false;
if (skip1) {
if (!source.bitsEmpty() && source._values != null) {
if (deep) {
int arrayLength = source._values.length;
_values = new TObject[arrayLength][];
for (int i = _values.length - 1; i >= 0; i--) {
if (source._values[i] != null) {
arrayLength = org.objectfabric.Bits.BITS_PER_UNIT;
_values[i] = new TObject[arrayLength];
Platform.arraycopy(source._values[i], 0, _values[i], 0, _values[i].length);
}
}
} else
_values = source._values;
}
} else {
org.objectfabric.Bits.Entry[] writes = source.getBits();
if (writes != null) {
for (int i = writes.length - 1; i >= 0; i--) {
if (writes[i] != null && writes[i].Value != 0) {
if (_values == null) {
int arrayLength = getBits().length;
_values = new TObject[arrayLength][];
}
int folded = org.objectfabric.Bits.getFoldedIntIndexFromIntIndex(getBits(), writes[i].IntIndex);
boolean skip2 = false;
if (!deep) {
skip2 = _values[folded] == null;
if (!skip2) // All overwritten
skip2 = writes[i].Value == -1 && source._values != null && source._values[i] != null;
} else if (_values[folded] == null) {
int arrayLength = org.objectfabric.Bits.BITS_PER_UNIT;
_values[folded] = new TObject[arrayLength];
}
if (skip2)
_values[folded] = source._values != null ? source._values[i] : null;
else
merge(_values[folded], writes[i], source._values != null ? source._values[i] : null);
}
}
}
}
if (org.objectfabric.Debug.ENABLED)
checkInvariants();
}
private static void merge(TObject[] merged, org.objectfabric.Bits.Entry writes, TObject[] source) {
for (int i = org.objectfabric.Bits.BITS_PER_UNIT - 1; i >= 0; i--)
if (org.objectfabric.Bits.get(writes.Value, i))
merged[i] = source != null ? source[i] : null;
}
//
@Override
public final void writeWrite(Writer writer, int index) {
if (writer.interrupted())
writer.resume();
writer.writeTObject(get(index));
if (writer.interrupted()) {
writer.interrupt(null);
return;
}
}
@Override
public final void readWrite(Reader reader, int index, java.lang.Object[] versions) {
if (reader.interrupted())
reader.resume();
TObject[] objects = reader.readTObject();
if (reader.interrupted()) {
reader.interrupt(null);
return;
}
for (int i = versions.length - 1; i >= 0; i--)
((TArrayVersionTObject) versions[i]).set(index, objects[i]);
}
//
@SuppressWarnings("cast")
@Override
void checkInvariants_() {
super.checkInvariants_();
if (getBits() != null && getValues() != null)
org.objectfabric.Debug.assertion(getValues().length == getBits().length);
}
}
// .NET}
