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LUCENE-6025: Give AbstractPagedMutable the accountable interface 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1634585 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Muir 2014-10-27 16:30:45 +00:00
parent b422645bde
commit 3dfb984bc7
1 changed files with 10 additions and 2 deletions
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12
lucene/core/src/java/org/apache/lucene/util/packed/AbstractPagedMutable.java
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@ -20,6 +20,9 @@ package org.apache.lucene.util.packed;
import static org.apache.lucene.util.packed.PackedInts.checkBlockSize; import static org.apache.lucene.util.packed.PackedInts.checkBlockSize;
import static org.apache.lucene.util.packed.PackedInts.numBlocks; import static org.apache.lucene.util.packed.PackedInts.numBlocks;
import java.util.Collections;
import org.apache.lucene.util.Accountable;
import org.apache.lucene.util.ArrayUtil; import org.apache.lucene.util.ArrayUtil;
import org.apache.lucene.util.LongValues; import org.apache.lucene.util.LongValues;
import org.apache.lucene.util.RamUsageEstimator; import org.apache.lucene.util.RamUsageEstimator;
@ -28,7 +31,7 @@ import org.apache.lucene.util.RamUsageEstimator;
* Base implementation for {@link PagedMutable} and {@link PagedGrowableWriter}. * Base implementation for {@link PagedMutable} and {@link PagedGrowableWriter}.
* @lucene.internal * @lucene.internal
*/ */
abstract class AbstractPagedMutable<T extends AbstractPagedMutable<T>> extends LongValues { abstract class AbstractPagedMutable<T extends AbstractPagedMutable<T>> extends LongValues implements Accountable {
static final int MIN_BLOCK_SIZE = 1 << 6; static final int MIN_BLOCK_SIZE = 1 << 6;
static final int MAX_BLOCK_SIZE = 1 << 30; static final int MAX_BLOCK_SIZE = 1 << 30;
@ -104,7 +107,7 @@ abstract class AbstractPagedMutable<T extends AbstractPagedMutable<T>> extends L
+ 3 * RamUsageEstimator.NUM_BYTES_INT; + 3 * RamUsageEstimator.NUM_BYTES_INT;
} }
/** Return the number of bytes used by this object. */ @Override
public long ramBytesUsed() { public long ramBytesUsed() {
long bytesUsed = RamUsageEstimator.alignObjectSize(baseRamBytesUsed()); long bytesUsed = RamUsageEstimator.alignObjectSize(baseRamBytesUsed());
bytesUsed += RamUsageEstimator.alignObjectSize(RamUsageEstimator.shallowSizeOf(subMutables)); bytesUsed += RamUsageEstimator.alignObjectSize(RamUsageEstimator.shallowSizeOf(subMutables));
@ -113,6 +116,11 @@ abstract class AbstractPagedMutable<T extends AbstractPagedMutable<T>> extends L
} }
return bytesUsed; return bytesUsed;
} }
@Override
public Iterable<? extends Accountable> getChildResources() {
return Collections.emptyList();
}
protected abstract T newUnfilledCopy(long newSize); protected abstract T newUnfilledCopy(long newSize);