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* implement RamTable (#49) * implement RamTable * plugin ramtable to StandardHugeGrap.edges(query) * plugin ramtable to GraphTransaction.queryEdgesFromBackend(Query query) * allow config vertices/edges capacity of ramtable * support concurrent loading Change-Id: I4e1a5c06bd331dc29a92dcb76843990863dfe6ca * add Consumers class to util package Change-Id: I8765582ba4e9b5fe8de4300719612a84bfce89a3 * support load from file and export to file Change-Id: Iecfb5bad535e4954a325eb45b1d9def53fdb31c0 usage: graph.reloadRamtable(true)
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78 changes: 78 additions & 0 deletions
78
hugegraph-core/src/main/java/com/baidu/hugegraph/backend/store/ram/IntIntMap.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| /* | ||
| * 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.backend.store.ram; | ||
|
|
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| import java.io.DataInputStream; | ||
| import java.io.DataOutputStream; | ||
| import java.io.IOException; | ||
| import java.util.Arrays; | ||
|
|
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| import com.baidu.hugegraph.HugeException; | ||
|
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| public final class IntIntMap implements RamMap { | ||
|
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| // TODO: use com.carrotsearch.hppc.IntIntHashMap instead | ||
| private final int[] array; | ||
|
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| public IntIntMap(int capacity) { | ||
| this.array = new int[capacity]; | ||
| } | ||
|
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| public void put(long key, int value) { | ||
| assert 0 <= key && key < Integer.MAX_VALUE; | ||
| this.array[(int) key] = value; | ||
| } | ||
|
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| public int get(long key) { | ||
| assert 0 <= key && key < Integer.MAX_VALUE; | ||
| return this.array[(int) key]; | ||
| } | ||
|
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| @Override | ||
| public void clear() { | ||
| Arrays.fill(this.array, 0); | ||
| } | ||
|
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| @Override | ||
| public long size() { | ||
| return this.array.length; | ||
| } | ||
|
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| @Override | ||
| public void writeTo(DataOutputStream buffer) throws IOException { | ||
| buffer.writeInt(this.array.length); | ||
| for (int value : this.array) { | ||
| buffer.writeInt(value); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void readFrom(DataInputStream buffer) throws IOException { | ||
| int size = buffer.readInt(); | ||
| if (size > this.array.length) { | ||
| throw new HugeException("Invalid size %s, expect < %s", | ||
| size, this.array.length); | ||
| } | ||
| for (int i = 0; i < size; i++) { | ||
| int value = buffer.readInt(); | ||
| this.array[i] = value; | ||
| } | ||
| } | ||
| } |
94 changes: 94 additions & 0 deletions
94
hugegraph-core/src/main/java/com/baidu/hugegraph/backend/store/ram/IntLongMap.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| /* | ||
| * 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.backend.store.ram; | ||
|
|
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| import java.io.DataInputStream; | ||
| import java.io.DataOutputStream; | ||
| import java.io.IOException; | ||
| import java.util.Arrays; | ||
|
|
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| import com.baidu.hugegraph.HugeException; | ||
|
|
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| public final class IntLongMap implements RamMap { | ||
|
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| // TODO: use com.carrotsearch.hppc.IntLongHashMap instead | ||
| private final long[] array; | ||
| private int size; | ||
|
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| public IntLongMap(int capacity) { | ||
| this.array = new long[capacity]; | ||
| this.size = 0; | ||
| } | ||
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| public void put(int key, long value) { | ||
| if (key >= this.size || key < 0) { | ||
| throw new HugeException("Invalid key %s", key); | ||
| } | ||
| this.array[key] = value; | ||
| } | ||
|
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| public int add(long value) { | ||
| if (this.size == Integer.MAX_VALUE) { | ||
| throw new HugeException("Too many edges %s", this.size); | ||
| } | ||
| int index = this.size; | ||
| this.array[index] = value; | ||
| this.size++; | ||
| return index; | ||
| } | ||
|
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| public long get(int key) { | ||
| if (key >= this.size || key < 0) { | ||
| throw new HugeException("Invalid key %s", key); | ||
| } | ||
| return this.array[key]; | ||
| } | ||
|
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| @Override | ||
| public void clear() { | ||
| Arrays.fill(this.array, 0L); | ||
| } | ||
|
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| @Override | ||
| public long size() { | ||
| return this.size; | ||
| } | ||
|
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| @Override | ||
| public void writeTo(DataOutputStream buffer) throws IOException { | ||
| buffer.writeInt(this.array.length); | ||
| for (long value : this.array) { | ||
| buffer.writeLong(value); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void readFrom(DataInputStream buffer) throws IOException { | ||
| int size = buffer.readInt(); | ||
| if (size > this.array.length) { | ||
| throw new HugeException("Invalid size %s, expect < %s", | ||
| size, this.array.length); | ||
| } | ||
| for (int i = 0; i < size; i++) { | ||
| long value = buffer.readLong(); | ||
| this.array[i] = value; | ||
| } | ||
| } | ||
| } |
65 changes: 65 additions & 0 deletions
65
hugegraph-core/src/main/java/com/baidu/hugegraph/backend/store/ram/IntObjectMap.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| /* | ||
| * 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.backend.store.ram; | ||
|
|
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| import java.io.DataInputStream; | ||
| import java.io.DataOutputStream; | ||
| import java.io.IOException; | ||
| import java.util.Arrays; | ||
|
|
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| import com.baidu.hugegraph.exception.NotSupportException; | ||
|
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| public final class IntObjectMap<V> implements RamMap { | ||
|
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| private final Object[] array; | ||
|
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| public IntObjectMap(int size) { | ||
| this.array = new Object[size]; | ||
| } | ||
|
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| @SuppressWarnings("unchecked") | ||
| public V get(int key) { | ||
| return (V) this.array[key]; | ||
| } | ||
|
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| public void set(int key, V value) { | ||
| this.array[key] = value; | ||
| } | ||
|
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| @Override | ||
| public void clear() { | ||
| Arrays.fill(this.array, null); | ||
| } | ||
|
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| @Override | ||
| public long size() { | ||
| return this.array.length; | ||
| } | ||
|
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| @Override | ||
| public void writeTo(DataOutputStream buffer) throws IOException { | ||
| throw new NotSupportException("IntObjectMap.writeTo"); | ||
| } | ||
|
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| @Override | ||
| public void readFrom(DataInputStream buffer) throws IOException { | ||
| throw new NotSupportException("IntObjectMap.readFrom"); | ||
| } | ||
| } |
35 changes: 35 additions & 0 deletions
35
hugegraph-core/src/main/java/com/baidu/hugegraph/backend/store/ram/RamMap.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| /* | ||
| * 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.backend.store.ram; | ||
|
|
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| import java.io.DataInputStream; | ||
| import java.io.DataOutputStream; | ||
| import java.io.IOException; | ||
|
|
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| public interface RamMap { | ||
|
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| public void clear(); | ||
|
|
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| public long size(); | ||
|
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| public void writeTo(DataOutputStream buffer) throws IOException; | ||
|
|
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| public void readFrom(DataInputStream buffer) throws IOException; | ||
| } |
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