How to use

init

method

in

org.h2.engine.FunctionAlias

/**
 * Create a new alias based on source code.
 *
 * @param schema the schema
 * @param id the id
 * @param name the name
 * @param source the source code
 * @param force create the object even if the class or method does not exist
 * @param bufferResultSetToLocalTemp whether the result should be buffered
 * @return the database object
 */
public static FunctionAlias newInstanceFromSource(
    Schema schema, int id, String name, String source, boolean force,
    boolean bufferResultSetToLocalTemp) {
  FunctionAlias alias = new FunctionAlias(schema, id, name);
  alias.source = source;
  alias.bufferResultSetToLocalTemp = bufferResultSetToLocalTemp;
  alias.init(force);
  return alias;
}

/**
 * Create a new alias based on a method name.
 *
 * @param schema the schema
 * @param id the id
 * @param name the name
 * @param javaClassMethod the class and method name
 * @param force create the object even if the class or method does not exist
 * @param bufferResultSetToLocalTemp whether the result should be buffered
 * @return the database object
 */
public static FunctionAlias newInstance(
    Schema schema, int id, String name, String javaClassMethod,
    boolean force, boolean bufferResultSetToLocalTemp) {
  FunctionAlias alias = new FunctionAlias(schema, id, name);
  int paren = javaClassMethod.indexOf('(');
  int lastDot = javaClassMethod.lastIndexOf('.', paren < 0 ?
      javaClassMethod.length() : paren);
  if (lastDot < 0) {
    throw DbException.get(ErrorCode.SYNTAX_ERROR_1, javaClassMethod);
  }
  alias.className = javaClassMethod.substring(0, lastDot);
  alias.methodName = javaClassMethod.substring(lastDot + 1);
  alias.bufferResultSetToLocalTemp = bufferResultSetToLocalTemp;
  alias.init(force);
  return alias;
}

/**
 * Create a new alias based on source code.
 *
 * @param schema the schema
 * @param id the id
 * @param name the name
 * @param source the source code
 * @param force create the object even if the class or method does not exist
 * @param bufferResultSetToLocalTemp whether the result should be buffered
 * @return the database object
 */
public static FunctionAlias newInstanceFromSource(
    Schema schema, int id, String name, String source, boolean force,
    boolean bufferResultSetToLocalTemp) {
  FunctionAlias alias = new FunctionAlias(schema, id, name);
  alias.source = source;
  alias.bufferResultSetToLocalTemp = bufferResultSetToLocalTemp;
  alias.init(force);
  return alias;
}

/**
 * Create a new alias based on source code.
 *
 * @param schema the schema
 * @param id the id
 * @param name the name
 * @param source the source code
 * @param force create the object even if the class or method does not exist
 * @param bufferResultSetToLocalTemp whether the result should be buffered
 * @return the database object
 */
public static FunctionAlias newInstanceFromSource(
    Schema schema, int id, String name, String source, boolean force,
    boolean bufferResultSetToLocalTemp) {
  FunctionAlias alias = new FunctionAlias(schema, id, name);
  alias.source = source;
  alias.bufferResultSetToLocalTemp = bufferResultSetToLocalTemp;
  alias.init(force);
  return alias;
}

/**
 * Create a new alias based on a method name.
 *
 * @param schema the schema
 * @param id the id
 * @param name the name
 * @param javaClassMethod the class and method name
 * @param force create the object even if the class or method does not exist
 * @param bufferResultSetToLocalTemp whether the result should be buffered
 * @return the database object
 */
public static FunctionAlias newInstance(
    Schema schema, int id, String name, String javaClassMethod,
    boolean force, boolean bufferResultSetToLocalTemp) {
  FunctionAlias alias = new FunctionAlias(schema, id, name);
  int paren = javaClassMethod.indexOf('(');
  int lastDot = javaClassMethod.lastIndexOf('.', paren < 0 ?
      javaClassMethod.length() : paren);
  if (lastDot < 0) {
    throw DbException.get(ErrorCode.SYNTAX_ERROR_1, javaClassMethod);
  }
  alias.className = javaClassMethod.substring(0, lastDot);
  alias.methodName = javaClassMethod.substring(lastDot + 1);
  alias.bufferResultSetToLocalTemp = bufferResultSetToLocalTemp;
  alias.init(force);
  return alias;
}

/**
 * Create a new alias based on a method name.
 *
 * @param schema the schema
 * @param id the id
 * @param name the name
 * @param javaClassMethod the class and method name
 * @param force create the object even if the class or method does not exist
 * @param bufferResultSetToLocalTemp whether the result should be buffered
 * @return the database object
 */
public static FunctionAlias newInstance(
    Schema schema, int id, String name, String javaClassMethod,
    boolean force, boolean bufferResultSetToLocalTemp) {
  FunctionAlias alias = new FunctionAlias(schema, id, name);
  int paren = javaClassMethod.indexOf('(');
  int lastDot = javaClassMethod.lastIndexOf('.', paren < 0 ?
      javaClassMethod.length() : paren);
  if (lastDot < 0) {
    throw DbException.get(ErrorCode.SYNTAX_ERROR_1, javaClassMethod);
  }
  alias.className = javaClassMethod.substring(0, lastDot);
  alias.methodName = javaClassMethod.substring(lastDot + 1);
  alias.bufferResultSetToLocalTemp = bufferResultSetToLocalTemp;
  alias.init(force);
  return alias;
}