com.fizzed.bigmap.impl.AbstractBigObjectBuilder Maven / Gradle / Ivy

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/*
 * Copyright 2019 Fizzed, Inc.
 *
 * Licensed 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.fizzed.bigmap.impl;

import com.fizzed.bigmap.BigObjectRegistry;
import com.fizzed.bigmap.ByteCodec;

import java.nio.file.Path;
import java.util.Comparator;
import java.util.Objects;

import static com.fizzed.bigmap.ByteCodecs.resolveCodec;
import static com.fizzed.bigmap.Comparators.autoComparator;

public class AbstractBigObjectBuilder {

    protected Path scratchDirectory;
    protected Class keyClass;
    protected Class valueClass;
    protected ByteCodec keyCodec;
    protected Comparator keyComparator;
    protected ByteCodec valueCodec;
    protected BigObjectRegistry registry;

    public AbstractBigObjectBuilder() {
        this.scratchDirectory = BigMapHelper.resolveTempDirectory();
    }

    protected void _registerForGarbageMonitoring() {
        this._registerForGarbageMonitoring(BigObjectRegistry.getDefault());
    }

    protected void _registerForGarbageMonitoring(BigObjectRegistry registry) {
        this.registry = registry;
    }

    protected void _setScratchDirectory(Path scratchDirectory) {
        this.scratchDirectory = scratchDirectory;
    }

    protected void _setKeyType(Class keyType) {
        this._setKeyType(keyType, resolveCodec(keyType));
    }

    protected void _setKeyType(Class keyType, Comparator keyComparator) {
        this._setKeyType(keyType, resolveCodec(keyType), keyComparator);
    }

    protected void _setKeyType(Class keyType, ByteCodec keyCodec) {
        this._setKeyType(keyType, keyCodec, autoComparator(keyType));
    }

    protected void _setKeyType(Class keyType, ByteCodec keyCodec, Comparator keyComparator) {
        Objects.requireNonNull(keyType, "keyType was null");
        Objects.requireNonNull(keyCodec, "keyCodec was null");
        Objects.requireNonNull(keyComparator, "keyComparator was null");
        this.keyClass = keyType;
        this.keyCodec = keyCodec;
        this.keyComparator = keyComparator;
    }

    protected void _setValueType(Class valueType) {
        this._setValueType(valueType, resolveCodec(valueType));
    }

    protected void _setValueType(Class valueType, ByteCodec valueCodec) {
        this.valueClass = valueType;
        this.valueCodec = valueCodec;
    }

}