| /* |
| * 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.hugegraph.type.define; |
| |
| import org.apache.hugegraph.type.HugeType; |
| |
| public enum IndexType implements SerialEnum { |
| |
| // For secondary query |
| SECONDARY(1, "secondary"), |
| |
| // For range query |
| RANGE(2, "range"), |
| RANGE_INT(21, "range_int"), |
| RANGE_FLOAT(22, "range_float"), |
| RANGE_LONG(23, "range_long"), |
| RANGE_DOUBLE(24, "range_double"), |
| |
| // For full-text query (not supported now) |
| SEARCH(3, "search"), |
| |
| // For prefix + range query |
| SHARD(4, "shard"), |
| |
| // For unique index |
| UNIQUE(5, "unique"); |
| |
| private byte code = 0; |
| private String name = null; |
| |
| static { |
| SerialEnum.register(IndexType.class); |
| } |
| |
| IndexType(int code, String name) { |
| assert code < 256; |
| this.code = (byte) code; |
| this.name = name; |
| } |
| |
| @Override |
| public byte code() { |
| return this.code; |
| } |
| |
| public String string() { |
| return this.name; |
| } |
| |
| public HugeType type() { |
| switch (this) { |
| case SECONDARY: |
| return HugeType.SECONDARY_INDEX; |
| case RANGE_INT: |
| return HugeType.RANGE_INT_INDEX; |
| case RANGE_FLOAT: |
| return HugeType.RANGE_FLOAT_INDEX; |
| case RANGE_LONG: |
| return HugeType.RANGE_LONG_INDEX; |
| case RANGE_DOUBLE: |
| return HugeType.RANGE_DOUBLE_INDEX; |
| case SEARCH: |
| return HugeType.SEARCH_INDEX; |
| case SHARD: |
| return HugeType.SHARD_INDEX; |
| case UNIQUE: |
| return HugeType.UNIQUE_INDEX; |
| default: |
| throw new AssertionError(String.format( |
| "Unknown index type '%s'", this)); |
| } |
| } |
| |
| public boolean isString() { |
| return this == SECONDARY || this == SEARCH || |
| this == SHARD || this == UNIQUE; |
| } |
| |
| public boolean isNumeric() { |
| return this == RANGE_INT || this == RANGE_FLOAT || |
| this == RANGE_LONG || this == RANGE_DOUBLE || |
| this == SHARD; |
| } |
| |
| public boolean isSecondary() { |
| return this == SECONDARY; |
| } |
| |
| public boolean isRange() { |
| return this == RANGE_INT || this == RANGE_FLOAT || |
| this == RANGE_LONG || this == RANGE_DOUBLE; |
| } |
| |
| public boolean isSearch() { |
| return this == SEARCH; |
| } |
| |
| public boolean isShard() { |
| return this == SHARD; |
| } |
| |
| public boolean isUnique() { |
| return this == UNIQUE; |
| } |
| } |