/// <summary> If clone is true then we clone each of the subreaders</summary>
/// <param name="doClone">
/// </param>
/// <returns> New IndexReader, or same one (this) if
/// reopen/clone is not necessary
/// </returns>
/// <throws> CorruptIndexException </throws>
/// <throws> IOException </throws>
protected internal virtual IndexReader DoReopen(bool doClone)
{
EnsureOpen();
bool reopened = false;
IndexReader[] newSubReaders = new IndexReader[subReaders.Length];
bool success = false;
try
{
for (int i = 0; i < subReaders.Length; i++)
{
if (doClone)
{
newSubReaders[i] = (IndexReader)subReaders[i].Clone();
}
else
{
newSubReaders[i] = subReaders[i].Reopen();
}
// if at least one of the subreaders was updated we remember that
// and return a new MultiReader
if (newSubReaders[i] != subReaders[i])
{
reopened = true;
}
}
success = true;
}
finally
{
if (!success && reopened)
{
for (int i = 0; i < newSubReaders.Length; i++)
{
if (newSubReaders[i] != subReaders[i])
{
try
{
newSubReaders[i].Close();
}
catch (System.IO.IOException)
{
// keep going - we want to clean up as much as possible
}
}
}
}
}
if (reopened)
{
bool[] newDecrefOnClose = new bool[subReaders.Length];
for (int i = 0; i < subReaders.Length; i++)
{
if (newSubReaders[i] == subReaders[i])
{
newSubReaders[i].IncRef();
newDecrefOnClose[i] = true;
}
}
MultiReader mr = new MultiReader(newSubReaders);
mr.decrefOnClose = newDecrefOnClose;
return(mr);
}
else
{
return(this);
}
}
/// <summary> If clone is true then we clone each of the subreaders</summary>
/// <param name="doClone">
/// </param>
/// <returns> New IndexReader, or same one (this) if
/// reopen/clone is not necessary
/// </returns>
/// <throws> CorruptIndexException </throws>
/// <throws> IOException </throws>
protected internal virtual IndexReader DoReopen(bool doClone)
{
EnsureOpen();
bool reopened = false;
IndexReader[] newSubReaders = new IndexReader[subReaders.Length];
bool success = false;
try
{
for (int i = 0; i < subReaders.Length; i++)
{
if (doClone)
newSubReaders[i] = (IndexReader) subReaders[i].Clone();
else
newSubReaders[i] = subReaders[i].Reopen();
// if at least one of the subreaders was updated we remember that
// and return a new MultiReader
if (newSubReaders[i] != subReaders[i])
{
reopened = true;
}
}
success = true;
}
finally
{
if (!success && reopened)
{
for (int i = 0; i < newSubReaders.Length; i++)
{
if (newSubReaders[i] != subReaders[i])
{
try
{
newSubReaders[i].Close();
}
catch (System.IO.IOException)
{
// keep going - we want to clean up as much as possible
}
}
}
}
}
if (reopened)
{
bool[] newDecrefOnClose = new bool[subReaders.Length];
for (int i = 0; i < subReaders.Length; i++)
{
if (newSubReaders[i] == subReaders[i])
{
newSubReaders[i].IncRef();
newDecrefOnClose[i] = true;
}
}
MultiReader mr = new MultiReader(newSubReaders);
mr.decrefOnClose = newDecrefOnClose;
return mr;
}
else
{
return this;
}
}
