| /* |
| * Copyright 2017 HugeGraph Authors |
| * |
| * 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.baidu.hugegraph.serializer.direct; |
| |
| import static com.baidu.hugegraph.serializer.direct.util.StringEncoding.decode; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| |
| import com.baidu.hugegraph.serializer.direct.struct.HugeType; |
| import com.baidu.hugegraph.serializer.direct.util.BytesBuffer; |
| import com.baidu.hugegraph.serializer.direct.util.Id; |
| import com.baidu.hugegraph.util.Bytes; |
| import com.baidu.hugegraph.util.E; |
| |
| public class BinaryEntry { |
| |
| private final HugeType type; |
| private final BinaryId id; |
| private Id subId; |
| private final List<BackendColumn> columns; |
| |
| public static final long COMMIT_BATCH = 500L; |
| |
| public BinaryEntry(HugeType type, byte[] bytes) { |
| this(type, BytesBuffer.wrap(bytes).parseId(type, false)); |
| } |
| |
| public BinaryEntry(HugeType type, byte[] bytes, boolean enablePartition) { |
| this(type, BytesBuffer.wrap(bytes).parseId(type, enablePartition)); |
| } |
| |
| public BinaryEntry(HugeType type, BinaryId id) { |
| this.type = type; |
| this.id = id; |
| this.subId = null; |
| this.columns = new ArrayList<>(); |
| } |
| |
| public HugeType type() { |
| return this.type; |
| } |
| |
| public BinaryId id() { |
| return this.id; |
| } |
| |
| public Id originId() { |
| return this.id.origin(); |
| } |
| |
| public Id subId() { |
| return this.subId; |
| } |
| |
| public void subId(Id subId) { |
| this.subId = subId; |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("%s: %s", this.id, this.columns.toString()); |
| } |
| |
| public BackendColumn column(byte[] name) { |
| for (BackendColumn col : this.columns) { |
| if (Bytes.equals(col.name, name)) { |
| return col; |
| } |
| } |
| return null; |
| } |
| |
| public void column(BackendColumn column) { |
| this.columns.add(column); |
| } |
| |
| public void column(byte[] name, byte[] value) { |
| E.checkNotNull(name, "name"); |
| value = value != null ? value : BytesBuffer.BYTES_EMPTY; |
| this.columns.add(BackendColumn.of(name, value)); |
| } |
| |
| public Collection<BackendColumn> columns() { |
| return Collections.unmodifiableList(this.columns); |
| } |
| |
| public int columnsSize() { |
| return this.columns.size(); |
| } |
| |
| public void columns(Collection<BackendColumn> bytesColumns) { |
| this.columns.addAll(bytesColumns); |
| } |
| |
| public void columns(BackendColumn bytesColumn) { |
| this.columns.add(bytesColumn); |
| long maxSize = COMMIT_BATCH; |
| if (this.columns.size() > maxSize) { |
| E.checkState(false, "Too many columns in one entry: %s", maxSize); |
| } |
| } |
| |
| public BackendColumn removeColumn(int index) { |
| return this.columns.remove(index); |
| } |
| |
| public void clear() { |
| this.columns.clear(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (!(obj instanceof BinaryEntry)) { |
| return false; |
| } |
| BinaryEntry other = (BinaryEntry) obj; |
| if (this.id() != other.id() && !this.id().equals(other.id())) { |
| return false; |
| } |
| if (this.columns.size() != other.columns.size()) { |
| return false; |
| } |
| return new HashSet<>(this.columns).containsAll(other.columns); |
| } |
| |
| @Override |
| public int hashCode() { |
| return this.id().hashCode() ^ this.columns.size(); |
| } |
| |
| protected static final class BinaryId implements Id { |
| |
| private final byte[] bytes; |
| private final Id id; |
| |
| public BinaryId(byte[] bytes, Id id) { |
| this.bytes = bytes; |
| this.id = id; |
| } |
| |
| public Id origin() { |
| return this.id; |
| } |
| |
| @Override |
| public byte[] asBytes() { |
| return this.bytes; |
| } |
| |
| @Override |
| public IdType type() { |
| return IdType.UNKNOWN; |
| } |
| |
| @Override |
| public boolean edge() { |
| return Id.super.edge(); |
| } |
| |
| public byte[] asBytes(int offset) { |
| E.checkArgument(offset < this.bytes.length, |
| "Invalid offset %s, must be < length %s", |
| offset, this.bytes.length); |
| return Arrays.copyOfRange(this.bytes, offset, this.bytes.length); |
| } |
| |
| @Override |
| public int length() { |
| return this.bytes.length; |
| } |
| |
| @Override |
| public int hashCode() { |
| return ByteBuffer.wrap(this.bytes).hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (!(other instanceof BinaryId)) { |
| return false; |
| } |
| return Arrays.equals(this.bytes, ((BinaryId) other).bytes); |
| } |
| |
| @Override |
| public String toString() { |
| return "0x" + Bytes.toHex(this.bytes); |
| } |
| } |
| |
| static class BackendColumn implements Comparable<BackendColumn> { |
| |
| public byte[] name; |
| public byte[] value; |
| |
| public static BackendColumn of(byte[] name, byte[] value) { |
| BackendColumn col = new BackendColumn(); |
| col.name = name; |
| col.value = value; |
| return col; |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("%s=%s", decode(name), decode(value)); |
| } |
| |
| @Override |
| public int compareTo(BackendColumn other) { |
| if (other == null) { |
| return 1; |
| } |
| return Bytes.compare(this.name, other.name); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (!(obj instanceof BackendColumn)) { |
| return false; |
| } |
| BackendColumn other = (BackendColumn) obj; |
| return Bytes.equals(this.name, other.name) && |
| Bytes.equals(this.value, other.value); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Arrays.hashCode(this.name) ^ |
| Arrays.hashCode(this.value); |
| } |
| |
| } |
| } |