| /* |
| * 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.directmemory.lightning.internal; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.directmemory.lightning.internal.util.ClassUtil; |
| import org.apache.directmemory.lightning.internal.util.Crc64Util; |
| import org.apache.directmemory.lightning.internal.util.InternalUtil; |
| import org.apache.directmemory.lightning.logging.Logger; |
| import org.apache.directmemory.lightning.metadata.ClassDefinition; |
| import org.apache.directmemory.lightning.metadata.PropertyDescriptor; |
| import org.objectweb.asm.Type; |
| |
| class InternalClassDefinition |
| implements ClassDefinition, Comparable<ClassDefinition> |
| { |
| |
| private final String canonicalName; |
| |
| private final Class<?> type; |
| |
| private final byte[] checksum; |
| |
| private final long serialVersion; |
| |
| private long id; |
| |
| InternalClassDefinition( Class<?> type, List<PropertyDescriptor> propertyDescriptors, Logger logger ) |
| { |
| this.canonicalName = Type.getInternalName( type ).replace( "/", "." ); |
| this.type = type; |
| |
| byte[] classData = ClassUtil.getClassBytes( !type.isArray() ? type : type.getComponentType() ); |
| this.checksum = InternalUtil.getChecksum( propertyDescriptors, logger ); |
| this.id = Crc64Util.checksum( classData ); |
| this.serialVersion = ClassUtil.calculateSerialVersionUID( type ); |
| } |
| |
| InternalClassDefinition( long id, Class<?> type, byte[] checksum, long serialVersionUID ) |
| { |
| this.canonicalName = Type.getInternalName( type ).replace( "/", "." ); |
| this.type = type; |
| this.id = id; |
| this.checksum = checksum; |
| this.serialVersion = serialVersionUID; |
| } |
| |
| @Override |
| public String getCanonicalName() |
| { |
| return canonicalName; |
| } |
| |
| @Override |
| public Class<?> getType() |
| { |
| return type; |
| } |
| |
| @Override |
| public byte[] getChecksum() |
| { |
| return Arrays.copyOf( checksum, checksum.length ); |
| } |
| |
| @Override |
| public long getId() |
| { |
| return id; |
| } |
| |
| @Override |
| public long getSerialVersionUID() |
| { |
| return serialVersion; |
| } |
| |
| @Override |
| public int compareTo( ClassDefinition o ) |
| { |
| return canonicalName.compareTo( o.getCanonicalName() ); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ( ( canonicalName == null ) ? 0 : canonicalName.hashCode() ); |
| result = prime * result + Arrays.hashCode( checksum ); |
| result = prime * result + (int) ( id ^ ( id >>> 32 ) ); |
| result = prime * result + (int) ( serialVersion ^ ( serialVersion >>> 32 ) ); |
| return result; |
| } |
| |
| @Override |
| public boolean equals( Object obj ) |
| { |
| if ( this == obj ) |
| { |
| return true; |
| } |
| if ( obj == null ) |
| { |
| return false; |
| } |
| if ( getClass() != obj.getClass() ) |
| { |
| return false; |
| } |
| InternalClassDefinition other = (InternalClassDefinition) obj; |
| if ( canonicalName == null ) |
| { |
| if ( other.canonicalName != null ) |
| { |
| return false; |
| } |
| } |
| else if ( !canonicalName.equals( other.canonicalName ) ) |
| { |
| return false; |
| } |
| if ( !Arrays.equals( checksum, other.checksum ) ) |
| { |
| return false; |
| } |
| if ( id != other.id ) |
| { |
| return false; |
| } |
| if ( serialVersion != other.serialVersion ) |
| { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return "InternalClassDefinition [canonicalName=" + canonicalName + ", type=" + type + ", checksum=" |
| + Arrays.toString( checksum ) + ", serialVersionUID=" + serialVersion + ", id=" + id + "]"; |
| } |
| } |