public class CounterCacheKey implements CacheKey {
private static final long EMPTY_SIZE =
ObjectSizes.measure(
new CounterCacheKey(
null,
ByteBufferUtil.EMPTY_BYTE_BUFFER,
CellNames.simpleDense(ByteBuffer.allocate(1))))
+ ObjectSizes.measure(new UUID(0, 0));
public final UUID cfId;
public final byte[] partitionKey;
public final byte[] cellName;
private CounterCacheKey(UUID cfId, ByteBuffer partitionKey, CellName cellName) {
this.cfId = cfId;
this.partitionKey = ByteBufferUtil.getArray(partitionKey);
this.cellName = ByteBufferUtil.getArray(cellName.toByteBuffer());
}
public static CounterCacheKey create(UUID cfId, ByteBuffer partitionKey, CellName cellName) {
return new CounterCacheKey(cfId, partitionKey, cellName);
}
public UUID getCFId() {
return cfId;
}
public long unsharedHeapSize() {
return EMPTY_SIZE + ObjectSizes.sizeOfArray(partitionKey) + ObjectSizes.sizeOfArray(cellName);
}
@Override
public String toString() {
return String.format(
"CounterCacheKey(%s, %s, %s)",
cfId,
ByteBufferUtil.bytesToHex(ByteBuffer.wrap(partitionKey)),
ByteBufferUtil.bytesToHex(ByteBuffer.wrap(cellName)));
}
@Override
public int hashCode() {
return Arrays.deepHashCode(new Object[] {cfId, partitionKey, cellName});
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof CounterCacheKey)) return false;
CounterCacheKey cck = (CounterCacheKey) o;
return cfId.equals(cck.cfId)
&& Arrays.equals(partitionKey, cck.partitionKey)
&& Arrays.equals(cellName, cck.cellName);
}
}
public long unsharedHeapSize() {
return EMPTY_SIZE + ObjectSizes.sizeOfArray(partitionKey) + ObjectSizes.sizeOfArray(cellName);
}