com.hydraql.common.meta.HBaseQualifier Maven / Gradle / Ivy

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/*
 * 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.hydraql.common.meta;

import com.hydraql.common.constants.HBaseConstants;
import com.hydraql.common.lang.Preconditions;
import com.hydraql.common.util.BytesUtil;
import com.hydraql.common.util.StringUtil;

import java.nio.ByteBuffer;

/**
 * @author [email protected] 2024/8/11 22:09
 */
public class HBaseQualifier extends HBaseField {
  private static final long serialVersionUID = -8238724452093359330L;

  private final String family;
  private final byte[] familyBytes;
  private final String qualifier;
  private final byte[] qualifierBytes;
  private final String familyAndQualifier;

  private HBaseQualifier(HBaseQualifier.Builder builder) {
    super(builder);
    this.family = builder.family;
    this.familyBytes = builder.familyBytes;
    this.qualifier = builder.qualifier;
    this.qualifierBytes = builder.qualifierBytes;
    this.familyAndQualifier = builder.familyAndQualifier;
  }

  public static HBaseQualifier.Builder newBuilder(Class type, String rowName) {
    return new HBaseQualifier.Builder(type, rowName);
  }

  public static class Builder extends HBaseField.Builder {
    private String family;
    private byte[] familyBytes;
    private String qualifier;
    private byte[] qualifierBytes;
    private String familyAndQualifier;

    private Builder(Class type, String fieldName) {
      super(type, fieldName);
      this.setIsRowKey(false);
    }

    public void setFamily(String family) {
      this.family = family;
      this.familyBytes = BytesUtil.toBytes(family);
    }

    public void setQualifier(String qualifier) {
      this.qualifier = qualifier;
      this.qualifierBytes = BytesUtil.toBytes(qualifier);
    }

    @Override
    HBaseQualifier build() {
      Preconditions.checkState(StringUtil.isNotBlank(family),
        "The family cannot be null or empty.");
      Preconditions.checkState(StringUtil.isNotBlank(qualifier),
        "The qualifier cannot be null or empty.");
      this.familyAndQualifier = HBaseConstants.formatFamilyAndQualifier(family, qualifier);
      return new HBaseQualifier(this);
    }
  }

  @Override
  protected Object getBeanProperty(Object object) {
    Object value = this.getGetMethodInvoker().invoke(object, NO_ARGUMENTS);
    if (value == null && !this.isNullable()) {
      throw new IllegalStateException(
          String.format("The value of column [%s] can not be null.", this.getName()));
    }
    return value;
  }

  @Override
  protected void setBeanProperty(Object object, Object value) {
    if (value == null) {
      return;
    }
    this.getSetMethodInvoker().invoke(object, new Object[] { value });
  }

  public String getFamily() {
    return family;
  }

  @Override
  public byte[] getFamilyBytes() {
    return familyBytes;
  }

  public String getQualifier() {
    return qualifier;
  }

  @Override
  public byte[] getQualifierBytes() {
    return qualifierBytes;
  }

  @Override
  public String getFamilyAndQualifier() {
    return familyAndQualifier;
  }
}