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Core of the Object/Lucene mapper, query engine and index management
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/*
 * Hibernate Search, full-text search for your domain model
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later
 * See the lgpl.txt file in the root directory or .
 */
package org.hibernate.search.engine.metadata.impl;

import java.util.LinkedHashSet;
import java.util.Set;
import java.util.TreeSet;

import org.hibernate.annotations.common.reflection.XClass;
import org.hibernate.search.indexes.spi.IndexManagerType;

/**
 * Collects context information needed during the processing of the annotations.
 *
 * @author Hardy Ferentschik
 */
public class ParseContext {
	private final Set processedClasses = new LinkedHashSet<>();
	private final Set spatialNames = new TreeSet<>();
	private final Set unqualifiedCollectedCollectionRoles = new LinkedHashSet<>();

	private IndexManagerType indexManagerType;
	private XClass currentClass;
	private int level = 0;
	private int maxLevel = Integer.MAX_VALUE;
	private boolean explicitDocumentId = false;
	private DocumentFieldPath idFieldPath;
	private boolean includeEmbeddedObjectId = false;

	public IndexManagerType getIndexManagerType() {
		return indexManagerType;
	}

	void setIndexManagerType(IndexManagerType indexManagerType) {
		this.indexManagerType = indexManagerType;
	}

	/**
	 * If the {@code IndexManager} type is not defined, we skip the {@code FieldBridge} construction.
	 *
	 * Typically the {@code IndexManager} type is not defined when building the metadata for {@code ContainedIn}
	 * entities. See {@link MetadataProvider#getTypeMetadataForContainedIn(Class)} for more information.
	 */
	boolean skipFieldBridges() {
		return indexManagerType == null;
	}

	/**
	 * If the {@code IndexManager} type is not defined, we skip the {@code NullMarkerCodec} construction.
	 *
	 * Typically the {@code IndexManager} type is not defined when building the metadata for {@code ContainedIn}
	 * entities. See {@link MetadataProvider#getTypeMetadataForContainedIn(Class)} for more information.
	 */
	boolean skipNullMarkerCodec() {
		return indexManagerType == null;
	}

	/**
	 * If the {@code IndexManager} type is not defined, we skip the {@code Analyzer} construction.
	 *
	 * Typically the {@code IndexManager} type is not defined when building the metadata for {@code ContainedIn}
	 * entities. See {@link MetadataProvider#getTypeMetadataForContainedIn(Class)} for more information.
	 */
	boolean skipAnalyzers() {
		return indexManagerType == null;
	}

	boolean hasBeenProcessed(XClass processedClass) {
		return processedClasses.contains( processedClass );
	}

	void processingClass(XClass processedClass) {
		processedClasses.add( processedClass );
	}

	void removeProcessedClass(XClass processedClass) {
		processedClasses.remove( processedClass );
	}

	boolean isSpatialNameUsed(DocumentFieldPath path) {
		return spatialNames.contains( path.getAbsoluteName() );
	}

	void markSpatialNameAsUsed(DocumentFieldPath path) {
		spatialNames.add( path.getAbsoluteName() );
	}

	public XClass getCurrentClass() {
		return currentClass;
	}

	public void setCurrentClass(XClass currentClass) {
		this.currentClass = currentClass;
	}

	boolean isMaxLevelReached() {
		return level > maxLevel;
	}

	public int getMaxLevel() {
		return maxLevel;
	}

	public void setMaxLevel(int newMaxLevel) {
		this.maxLevel = newMaxLevel;
	}

	public int getLevel() {
		return level;
	}

	public void incrementLevel() {
		this.level++;
	}

	public void decrementLevel() {
		this.level--;
	}

	public DocumentFieldPath getIdFieldPath() {
		return idFieldPath;
	}

	public void setIdFieldPath(DocumentFieldPath idFieldPath) {
		this.idFieldPath = idFieldPath;
	}

	public boolean isExplicitDocumentId() {
		return explicitDocumentId;
	}

	public void setExplicitDocumentId(boolean explicitDocumentId) {
		this.explicitDocumentId = explicitDocumentId;
	}

	public Set getCollectedUnqualifiedCollectionRoles() {
		return unqualifiedCollectedCollectionRoles;
	}

	public void collectUnqualifiedCollectionRole(String unqualifiedCollectionRole) {
		unqualifiedCollectedCollectionRoles.add( unqualifiedCollectionRole );
	}

	public boolean includeEmbeddedObjectId() {
		return includeEmbeddedObjectId;
	}

	public void setIncludeEmbeddedObjectId(boolean includeEmbeddedObjectId) {
		this.includeEmbeddedObjectId = includeEmbeddedObjectId;
	}
}