org.apache.lucene.util

## Class CharsRefBuilder

- java.lang.Object
- - org.apache.lucene.util.CharsRefBuilder

- All Implemented Interfaces:
    Appendable

      public class CharsRefBuilder
      extends Object
      implements Appendable

  A builder for `CharsRef` instances.
  NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `CharsRefBuilder()` Sole constructor.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `CharsRefBuilder` | `append(char c)`
    `void` | `append(char[] otherChars, int otherOffset, int otherLength)` Appends the given array to this CharsRef
    `CharsRefBuilder` | `append(CharSequence csq)`
    `CharsRefBuilder` | `append(CharSequence csq, int start, int end)`
    `char` | `charAt(int offset)` Return the char at the given offset.
    `char[]` | `chars()` Return a reference to the chars of this builder.
    `void` | `clear()` Reset this builder to the empty state.
    `void` | `copyChars(char[] otherChars, int otherOffset, int otherLength)` Copies the given array into this instance.
    `void` | `copyChars(CharsRef other)` Copies the given `CharsRef` referenced content into this instance.
    `void` | `copyUTF8Bytes(byte[] bytes, int offset, int length)` Copy the provided bytes, interpreted as UTF-8 bytes.
    `void` | `copyUTF8Bytes(BytesRef bytes)` Copy the provided bytes, interpreted as UTF-8 bytes.
    `boolean` | `equals(Object obj)`
    `CharsRef` | `get()` Return a `CharsRef` that points to the internal content of this builder.
    `void` | `grow(int newLength)` Used to grow the reference array.
    `int` | `hashCode()`
    `int` | `length()` Return the number of chars in this buffer.
    `void` | `setCharAt(int offset, char b)` Set a char.
    `void` | `setLength(int length)` Set the length.
    `CharsRef` | `toCharsRef()` Build a new `CharsRef` that has the same content as this builder.
    `String` | `toString()`

    - ### Methods inherited from class java.lang.Object

      `clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### CharsRefBuilder

          public CharsRefBuilder()

      Sole constructor.

  - ### Method Detail

    - #### chars

          public char[] chars()

      Return a reference to the chars of this builder.

    - #### length

          public int length()

      Return the number of chars in this buffer.

    - #### setLength

          public void setLength(int length)

      Set the length.

    - #### charAt

          public char charAt(int offset)

      Return the char at the given offset.

    - #### setCharAt

          public void setCharAt(int offset,
                       char b)

      Set a char.

    - #### clear

          public void clear()

      Reset this builder to the empty state.

    - #### append

          public CharsRefBuilder append(CharSequence csq)

      Specified by:
        `append` in interface `Appendable`

    - #### append

          public CharsRefBuilder append(CharSequence csq,
                               int start,
                               int end)

      Specified by:
        `append` in interface `Appendable`

    - #### append

          public CharsRefBuilder append(char c)

      Specified by:
        `append` in interface `Appendable`

    - #### copyChars

          public void copyChars(CharsRef other)

      Copies the given `CharsRef` referenced content into this instance.

    - #### grow

          public void grow(int newLength)

      Used to grow the reference array.

    - #### copyUTF8Bytes

          public void copyUTF8Bytes(byte[] bytes,
                           int offset,
                           int length)

      Copy the provided bytes, interpreted as UTF-8 bytes.

    - #### copyUTF8Bytes

          public void copyUTF8Bytes(BytesRef bytes)

      Copy the provided bytes, interpreted as UTF-8 bytes.

    - #### copyChars

          public void copyChars(char[] otherChars,
                       int otherOffset,
                       int otherLength)

      Copies the given array into this instance.

    - #### append

          public void append(char[] otherChars,
                    int otherOffset,
                    int otherLength)

      Appends the given array to this CharsRef

    - #### get

          public CharsRef get()

      Return a `CharsRef` that points to the internal content of this builder. Any update to the content of this builder might invalidate the provided `ref` and vice-versa.

    - #### toCharsRef

          public CharsRef toCharsRef()

      Build a new `CharsRef` that has the same content as this builder.

    - #### toString

          public String toString()

      Overrides:
        `toString` in class `Object`

    - #### equals

          public boolean equals(Object obj)

      Overrides:
        `equals` in class `Object`

    - #### hashCode

          public int hashCode()

      Overrides:
        `hashCode` in class `Object`

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