/* * 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 org.apache.phoenix.schema.stats; import java.util.Arrays; import javax.annotation.Nonnull; import org.apache.hadoop.hbase.util.Bytes; import com.google.common.base.Preconditions; /** * * Key for the client-side caching of the guideposts information * */ public final class GuidePostsKey { private final int hashCode; @Nonnull private final byte[] physicalName; @Nonnull private final byte[] columnFamily; public GuidePostsKey(byte[] physicalName, byte[] columnFamily) { Preconditions.checkNotNull(physicalName); Preconditions.checkNotNull(columnFamily); this.physicalName = physicalName; this.columnFamily = columnFamily; this.hashCode = computeHashCode(); } public byte[] getPhysicalName() { return physicalName; } public byte[] getColumnFamily() { return columnFamily; } @Override public int hashCode() { return hashCode; } private int computeHashCode() { final int prime = 31; int result = 1; result = prime * result + Arrays.hashCode(columnFamily); result = prime * result + Arrays.hashCode(physicalName); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; GuidePostsKey other = (GuidePostsKey)obj; if (other.hashCode != this.hashCode) return false; if (!Arrays.equals(columnFamily, other.columnFamily)) return false; if (!Arrays.equals(physicalName, other.physicalName)) return false; return true; } @Override public String toString() { return "GuidePostsKey[physicalName=" + Bytes.toStringBinary(physicalName) + ",columnFamily=" + Bytes.toStringBinary(columnFamily) + "]"; } }