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Logic.java
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Logic.java
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package seedu.address.logic;
import java.nio.file.Path;
import javafx.collections.ObservableList;
import seedu.address.commons.core.GuiSettings;
import seedu.address.logic.commands.CommandResult;
import seedu.address.logic.commands.exceptions.CommandException;
import seedu.address.logic.parser.exceptions.ParseException;
import seedu.address.model.ReadOnlyAddressBook;
import seedu.address.model.person.Person;
import seedu.address.model.transaction.Transaction;
/**
* API of the Logic component
*/
public interface Logic {
/**
* Executes the command and returns the result.
* @param commandText The command as entered by the user.
* @return the result of the command execution.
* @throws CommandException If an error occurs during command execution.
* @throws ParseException If an error occurs during parsing.
*/
CommandResult execute(String commandText) throws CommandException, ParseException, IllegalArgumentException;
/**
* Returns the AddressBook.
*
* @see seedu.address.model.Model#getAddressBook()
*/
ReadOnlyAddressBook getAddressBook();
/** Returns an unmodifiable view of the filtered list of persons */
ObservableList<Person> getFilteredPersonList();
/**
* @return an unmodifiable view of the transaction list of
* the selected person
*/
ObservableList<Transaction> getFilteredTransactionList();
/**
* Returns the user prefs' address book file path.
*/
Path getAddressBookFilePath();
/**
* Returns the user prefs' GUI settings.
*/
GuiSettings getGuiSettings();
/**
* Set the user prefs' GUI settings.
*/
void setGuiSettings(GuiSettings guiSettings);
}