com.hazelcast.org.apache.calcite.schema.impl.LongSchemaVersion Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.org.apache.calcite.schema.impl;
import com.hazelcast.org.apache.calcite.schema.SchemaVersion;
import com.hazelcast.org.checkerframework.checker.nullness.qual.Nullable;
/** Implementation of SchemaVersion that uses a long value as representation. */
public class LongSchemaVersion implements SchemaVersion {
private final long value;
public LongSchemaVersion(long value) {
this.value = value;
}
@Override public boolean isBefore(SchemaVersion other) {
if (!(other instanceof LongSchemaVersion)) {
throw new IllegalArgumentException(
"Cannot compare a LongSchemaVersion object with a "
+ other.getClass() + " object.");
}
return this.value < ((LongSchemaVersion) other).value;
}
@Override public boolean equals(@Nullable Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof LongSchemaVersion)) {
return false;
}
return this.value == ((LongSchemaVersion) obj).value;
}
@Override public int hashCode() {
return Long.valueOf(value).hashCode();
}
@Override public String toString() {
return String.valueOf(value);
}
}
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