package org.ntlab.trace;

public class Reference {
	private String id;
	private ObjectReference srcObj;			// 参照元オブジェクト
	private ObjectReference dstObj;			// 参照先オブジェクト
	private boolean bCreation = false;		// 参照元オブジェクトが参照先オブジェクトを生成したか?
	private boolean bArray = false;			// 参照元オブジェクトが配列で参照先オブジェクトを要素として保持しているか?
	private boolean bCollection = false;	// 参照元オブジェクトがコレクションで参照先オブジェクトを要素として保持しているか?
	private boolean bFinalLocal = false;	// 参照元オブジェクトが無名または内部クラスのとき参照先オブジェクトを外側クラスの final local 変数として参照しているか?

	public Reference(String srcObjectId, String dstObjectId, String srcClassName,
			String dstClassName) {
		srcObj = new ObjectReference(srcObjectId, srcClassName);
		dstObj = new ObjectReference(dstObjectId, dstClassName);
	}
	
	public Reference(ObjectReference srcObj, ObjectReference dstObj) {
		this.srcObj = srcObj;
		this.dstObj = dstObj;
	}
	
	public ObjectReference getSrcObject() {
		return srcObj;
	}
	
	public ObjectReference getDstObject() {
		return dstObj;
	}

	public void setSrcClassName(String srcClassName) {
		this.srcObj.setActualType(srcClassName);
	}

	public void setDstClassName(String dstClassName) {
		this.dstObj.setActualType(dstClassName);
	}

	public void setSrcObjectId(String srcObjectId) {
		this.srcObj.setId(srcObjectId);
	}

	public void setDstObjectId(String dstObjectId) {
		this.dstObj.setId(dstObjectId);
	}

	public String getSrcClassName() {
		return srcObj.getActualType();
	}

	public String getDstClassName() {
		return dstObj.getActualType();
	}

	public String getSrcObjectId() {
		return srcObj.getId();
	}

	public String getDstObjectId() {
		return dstObj.getId();
	}

	public String getId() {
		return id;
	}

	public void setId(String id) {
		this.id = id;
	}	

	public void setCreation(boolean bCreation) {
		this.bCreation  = bCreation;
	}
	
	public boolean isCreation(){
		return bCreation;
	}

	public void setArray(boolean bArray) {
		this.bArray = bArray;
	}
	
	public boolean isArray() {
		return bArray;
	}
	
	public void setCollection(boolean bCollection) {
		this.bCollection = bCollection;
	}
	
	public boolean isCollection() {
		return bCollection;
	}
	
	public void setFinalLocal(boolean bFinalLocal) {
		this.bFinalLocal = bFinalLocal;
	}

	public boolean isFinalLocal() {
		return bFinalLocal;
	}
	
	public boolean equals(Object o) {
		if (this == o) return true;
		if (o instanceof Reference) {
			if (this.hashCode() != o.hashCode()) return false;
			return (this.srcObj.getId().equals(((Reference)o).srcObj.getId()) && this.dstObj.getId().equals(((Reference)o).dstObj.getId()));
		}
		return false;
	}
	
	public int hashCode() {
		if (srcObj.getId().matches("[0-9]{1,}") && dstObj.getId().matches("[0-9]{1,}")) {
			return Integer.parseInt(srcObj.getId()) + Integer.parseInt(dstObj.getId());			
		}
		// If objectId contains string not only number.
		return srcObj.getId().hashCode() + dstObj.getId().hashCode();			
	}
	
	public String toString() {
		return srcObj.getId() + "(" + srcObj.getActualType() + ")" + "->" + dstObj.getId() + "(" + dstObj.getActualType() + ")";
	}
}