org.h2.mvstore.tx.VersionedValueCommitted Maven / Gradle / Ivy
/*
* Copyright 2004-2019 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (https://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.mvstore.tx;
import org.h2.value.VersionedValue;
/**
* Class CommittedVersionedValue.
*
* @author Andrei Tokar
*/
class VersionedValueCommitted extends VersionedValue {
/**
* The current value.
*/
public final Object value;
VersionedValueCommitted(Object value) {
this.value = value;
}
/**
* Either cast to VersionedValue, or wrap in VersionedValueCommitted
* @param value the object to cast/wrap
* @return VersionedValue instance
*/
static VersionedValue getInstance(Object value) {
assert value != null;
return value instanceof VersionedValue ? (VersionedValue) value : new VersionedValueCommitted(value);
}
@Override
public Object getCurrentValue() {
return value;
}
@Override
public Object getCommittedValue() {
return value;
}
@Override
public String toString() {
return String.valueOf(value);
}
}