ParserConfiguration.java

package org.maltparser.parser;

import org.maltparser.core.exception.MaltChainedException;
import org.maltparser.core.syntaxgraph.DependencyStructure;
import org.maltparser.parser.history.HistoryNode;

/**
 * @author Johan Hall
 *
 */
public abstract class ParserConfiguration {

    protected HistoryNode historyNode;

    /**
     * Creates a parser configuration
     */
    public ParserConfiguration() {
        setHistoryNode(null);
    }

    public HistoryNode getHistoryNode() {
        return historyNode;
    }

    public void setHistoryNode(HistoryNode historyNode) {
        this.historyNode = historyNode;
    }

    /**
     * Sets the dependency structure
     *
     * @param dependencyStructure a dependency structure
     * @throws MaltChainedException
     */
    public abstract void setDependencyGraph(DependencyStructure dependencyStructure) throws MaltChainedException;

    /**
     * Returns true if the parser configuration is in a terminal state,
     * otherwise false.
     *
     * @return true if the parser configuration is in a terminal state,
     * otherwise false.
     * @throws MaltChainedException
     */
    public abstract boolean isTerminalState() throws MaltChainedException;

    /**
     * Returns the dependency structure
     *
     * @return the dependency structure
     */
    public abstract DependencyStructure getDependencyGraph();

    /**
     * Clears the parser configuration
     *
     * @throws MaltChainedException
     */
    public abstract void clear() throws MaltChainedException;

    /**
     * Initialize the parser configuration with the same state as the parameter
     * config
     *
     * @param config a parser configuration
     * @throws MaltChainedException
     */
    public abstract void initialize(ParserConfiguration config) throws MaltChainedException;
}