@Override
  public java.lang.String toString() {
    java.lang.StringBuilder sb = new java.lang.StringBuilder("ColumnDescriptor(");
    boolean first = true;

    sb.append("name:");
    if (this.name == null) {
      sb.append("null");
    } else {
      org.apache.thrift.TBaseHelper.toString(this.name, sb);
    }
    first = false;
    if (!first) sb.append(", ");
    sb.append("maxVersions:");
    sb.append(this.maxVersions);
    first = false;
    if (!first) sb.append(", ");
    sb.append("compression:");
    if (this.compression == null) {
      sb.append("null");
    } else {
      sb.append(this.compression);
    }
    first = false;
    if (!first) sb.append(", ");
    sb.append("inMemory:");
    sb.append(this.inMemory);
    first = false;
    if (!first) sb.append(", ");
    sb.append("bloomFilterType:");
    if (this.bloomFilterType == null) {
      sb.append("null");
    } else {
      sb.append(this.bloomFilterType);
    }
    first = false;
    if (!first) sb.append(", ");
    sb.append("bloomFilterVectorSize:");
    sb.append(this.bloomFilterVectorSize);
    first = false;
    if (!first) sb.append(", ");
    sb.append("bloomFilterNbHashes:");
    sb.append(this.bloomFilterNbHashes);
    first = false;
    if (!first) sb.append(", ");
    sb.append("blockCacheEnabled:");
    sb.append(this.blockCacheEnabled);
    first = false;
    if (!first) sb.append(", ");
    sb.append("timeToLive:");
    sb.append(this.timeToLive);
    first = false;
    sb.append(")");
    return sb.toString();
  }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift/generated/ColumnDescriptor.java