content: /*
   * 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.carbondata.core.view;
  
  import java.io.DataInput;
  import java.io.DataOutput;
  import java.io.IOException;
  import java.io.Serializable;
  import java.util.Arrays;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Objects;
  import java.util.Set;
  
  import org.apache.carbondata.common.Strings;
  import org.apache.carbondata.core.metadata.schema.table.RelationIdentifier;
  import org.apache.carbondata.core.metadata.schema.table.Writable;
  
  /**
   * It is the new schema of mv and it has less fields compare to {{@link MVSchema}}
   */
  public class MVSchema implements Serializable, Writable {
  
    private static final long serialVersionUID = 1030007239497486385L;
  
    /**
     * For MV, this is the identifier of the MV table.
     */
    protected RelationIdentifier identifier;
  
    /**
     * SQL query string used to create MV
     */
    private String query;
  
    /**
     * SQL modified query string.
     * In case of MV with avg incremental mode, the original query is modified.
     */
    private String modifiedQuery;
  
    /**
     * Properties provided by user
     */
    protected Map<String, String> properties;
  
    /**
     * Identifiers of parent tables of the MV
     */
    private List<RelationIdentifier> relatedTables;
  
    /**
     * main table column list mapped to mv table
     */
    private Map<String, Set<String>> relatedTableColumnList;
  
    /**
     * MV table column order map as per Select query
     */
    private Map<Integer, String> columnsOrderMap;
  
    /**
     * time series query
     */
    private boolean timeSeries;
  
    private transient volatile MVManager manager;
  
    public MVSchema(MVManager manager) {
      this.manager = manager;
    }
  
    public RelationIdentifier getIdentifier() {
      return identifier;
    }
  
    public void setIdentifier(RelationIdentifier identifier) {
      this.identifier = identifier;
    }
  
    public String getQuery() {
      return query;
    }
  
    public String getModifiedQuery() {
      return modifiedQuery;
    }
  
    public void setQuery(String query) {
      this.query = query;
    }
  
    public void setModifiedQuery(String modifiedQuery) {
      this.modifiedQuery = modifiedQuery;
    }
  
    public Map<String, String> getProperties() {
      return properties;
    }
  
    public void setProperties(Map<String, String> properties) {
      this.properties = properties;
    }
  
    public void setRelatedTables(List<RelationIdentifier> relatedTables) {
      this.relatedTables = relatedTables;
    }
  
    public List<RelationIdentifier> getRelatedTables() {
      return relatedTables;
    }
  
    /**
     * Return true if this MV is lazy (created with DEFERRED REFRESH syntax)
     */
    public boolean isRefreshOnManual() {
      String refreshTriggerMode = getProperties().get(MVProperty.REFRESH_TRIGGER_MODE);
      return refreshTriggerMode != null &&
          refreshTriggerMode.equalsIgnoreCase(
              MVProperty.REFRESH_TRIGGER_MODE_ON_MANUAL);
    }
  
    /**
     * Return true if this MV can support incremental build
     */
    public boolean isRefreshIncremental() {
      String refreshMode = getProperties().get(MVProperty.REFRESH_MODE);
      return refreshMode != null && refreshMode.equalsIgnoreCase(
          MVProperty.REFRESH_MODE_INCREMENTAL);
    }
  
    @Override
    public void write(DataOutput out) throws IOException {
      boolean isRelationIdentifierExists = null != identifier;
      out.writeBoolean(isRelationIdentifierExists);
      if (isRelationIdentifierExists) {
        this.identifier.write(out);
      }
      if (properties == null) {
        out.writeShort(0);
      } else {
        out.writeShort(properties.size());
        for (Map.Entry<String, String> entry : properties.entrySet()) {
          out.writeUTF(entry.getKey());
          out.writeUTF(entry.getValue());
        }
      }
    }
  
    @Override
    public void readFields(DataInput in) throws IOException {
      boolean isRelationIdentifierExists = in.readBoolean();
      if (isRelationIdentifierExists) {
        this.identifier = new RelationIdentifier(null, null, null);
        this.identifier.readFields(in);
      }
  
      int mapSize = in.readShort();
      this.properties = new HashMap<>(mapSize);
      for (int i = 0; i < mapSize; i++) {
        String key = in.readUTF();
        String value = in.readUTF();
        this.properties.put(key, value);
      }
    }
  
    @Override
    public boolean equals(Object o) {
      if (this == o) return true;
      if (o == null || getClass() != o.getClass()) return false;
      MVSchema that = (MVSchema) o;
      return Objects.equals(this.identifier, that.identifier);
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(this.identifier);
    }
  
    public Map<String, Set<String>> getRelatedTableColumns() {
      return relatedTableColumnList;
    }
  
    public void setRelatedTableColumnList(Map<String, Set<String>> relatedTableColumnList) {
      this.relatedTableColumnList = relatedTableColumnList;
    }
  
    public Map<Integer, String> getColumnsOrderMap() {
      return columnsOrderMap;
    }
  
    public void setColumnsOrderMap(Map<Integer, String> columnsOrderMap) {
      this.columnsOrderMap = columnsOrderMap;
    }
  
    public boolean isTimeSeries() {
      return timeSeries;
    }
  
    public void setTimeSeries(boolean timeSeries) {
      this.timeSeries = timeSeries;
    }
  
    public String getPropertiesAsString() {
      String[] properties = getProperties().entrySet().stream()
          .map(p -> "'" + p.getKey() + "'='" + p.getValue() + "'")
          .sorted()
          .toArray(String[]::new);
      return Strings.mkString(properties, ",");
    }
  
    public MVStatus getStatus() throws IOException {
      List<MVStatusDetail> details = this.manager.getEnabledStatusDetails(
            this.identifier.getDatabaseName());
      for (MVStatusDetail detail : details) {
        if (detail.getIdentifier().equals(this.getIdentifier())) {
          return MVStatus.ENABLED;
        }
      }
      return MVStatus.DISABLED;
    }
  
    private static String getMaxSegmentID(List<String> segmentList) {
      double[] segment = new double[segmentList.size()];
      int i = 0;
      for (String id : segmentList) {
        segment[i] = Double.parseDouble(id);
        i++;
      }
      Arrays.sort(segment);
      String maxId = Double.toString(segment[segmentList.size() - 1]);
      if (maxId.endsWith(".0")) {
        maxId = maxId.substring(0, maxId.indexOf("."));
      }
      return maxId;
    }
  
    public void setManager(MVManager manager) {
      this.manager = manager;
    }
  
  }
  