Package org.apache.avro.generic

Class GenericRecordBuilder

java.lang.Object
org.apache.avro.data.RecordBuilderBase<GenericData.Record>
org.apache.avro.generic.GenericRecordBuilder
All Implemented Interfaces:
RecordBuilder<GenericData.Record>
public class GenericRecordBuilder extends RecordBuilderBase<GenericData.Record>
A RecordBuilder for generic records. GenericRecordBuilder fills in default values for fields if they are not specified.

  • Constructor Details

    • GenericRecordBuilder

      public GenericRecordBuilder(Schema schema)
      Creates a GenericRecordBuilder for building Record instances.
      Parameters:
      schema - the schema associated with the record class.

    • GenericRecordBuilder

      public GenericRecordBuilder(GenericRecordBuilder other)
      Creates a GenericRecordBuilder by copying an existing GenericRecordBuilder.
      Parameters:
      other - the GenericRecordBuilder to copy.

    • GenericRecordBuilder

      public GenericRecordBuilder(GenericData.Record other)
      Creates a GenericRecordBuilder by copying an existing record instance.
      Parameters:
      other - the record instance to copy.

  • Method Details

    • get

      public Object get(String fieldName)
      Gets the value of a field.
      Parameters:
      fieldName - the name of the field to get.
      Returns:
      the value of the field with the given name, or null if not set.

    • get

      public Object get(Schema.Field field)
      Gets the value of a field.
      Parameters:
      field - the field to get.
      Returns:
      the value of the given field, or null if not set.

    • get

      protected Object get(int pos)
      Gets the value of a field.
      Parameters:
      pos - the position of the field to get.
      Returns:
      the value of the field with the given position, or null if not set.

    • set

      public GenericRecordBuilder set(String fieldName, Object value)
      Sets the value of a field.
      Parameters:
      fieldName - the name of the field to set.
      value - the value to set.
      Returns:
      a reference to the RecordBuilder.

    • set

      public GenericRecordBuilder set(Schema.Field field, Object value)
      Sets the value of a field.
      Parameters:
      field - the field to set.
      value - the value to set.
      Returns:
      a reference to the RecordBuilder.

    • set

      protected GenericRecordBuilder set(int pos, Object value)
      Sets the value of a field.
      Parameters:
      pos - the field to set.
      value - the value to set.
      Returns:
      a reference to the RecordBuilder.

    • has

      public boolean has(String fieldName)
      Checks whether a field has been set.
      Parameters:
      fieldName - the name of the field to check.
      Returns:
      true if the given field is non-null; false otherwise.

    • has

      public boolean has(Schema.Field field)
      Checks whether a field has been set.
      Parameters:
      field - the field to check.
      Returns:
      true if the given field is non-null; false otherwise.

    • has

      protected boolean has(int pos)
      Checks whether a field has been set.
      Parameters:
      pos - the position of the field to check.
      Returns:
      true if the given field is non-null; false otherwise.

    • clear

      public GenericRecordBuilder clear(String fieldName)
      Clears the value of the given field.
      Parameters:
      fieldName - the name of the field to clear.
      Returns:
      a reference to the RecordBuilder.

    • clear

      public GenericRecordBuilder clear(Schema.Field field)
      Clears the value of the given field.
      Parameters:
      field - the field to clear.
      Returns:
      a reference to the RecordBuilder.

    • clear

      protected GenericRecordBuilder clear(int pos)
      Clears the value of the given field.
      Parameters:
      pos - the position of the field to clear.
      Returns:
      a reference to the RecordBuilder.

    • build

      public GenericData.Record build()
      Description copied from interface: RecordBuilder
      Constructs a new instance using the values set in the RecordBuilder. If a particular value was not set and the schema defines a default value, the default value will be used.
      Returns:
      a new instance using values set in the RecordBuilder.

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class RecordBuilderBase<GenericData.Record>

    • equals

      public boolean equals(Object obj)
      Overrides:
      equals in class RecordBuilderBase<GenericData.Record>