package com.itjw.txviewer.database.text

import java.beans.PropertyChangeListener;
import java.util.List;
import java.util.Map;

import com.itjw.txviewer.database.ITrDb
import com.itjw.txviewer.database.ITrGenerator
import com.itjw.txviewer.database.ITrHierNode
import com.itjw.txviewer.database.ITrStream
import com.itjw.txviewer.database.ITransaction

class TrStream extends TrHierNode implements ITrStream {
	Long id;
	TrTextDb database
	String name;
	String fullName;
	String kind;
	def generators = [];
	def childs = []
	private allTransactions;
	
	public TrHierNode(String name){
		this.name=name
	}
	
	@Override
	public List<ITrHierNode>  getChildNodes() {
		return childs.sort{it.name};
	}


	TrStream(int id, TrTextDb db, String name, String kind){
		this.id=id
		this.database=db
		this.name=name
		this.fullName=name
		this.kind=kind
	}

	List<ITrGenerator> getGenerators(){
		return generators as List<ITrGenerator>
	}

	@Override
	public ITrDb getDb() {
		return database;
	}

	@Override
	public int getMaxConcurrrentTx() {
		def rowendtime = [0]
		getTransactions().each{Transaction tx ->
			def rowIdx = 0
			for(rowIdx=0; rowendtime.size()<rowIdx || rowendtime[rowIdx]>tx.beginTime.value; rowIdx++);
			if(rowendtime.size<=rowIdx){
				rowendtime<<tx.endTime?.value?:tx.beginTime.value+1
			} else {
				rowendtime[rowIdx]=tx.endTime?.value?:tx.beginTime.value+1
			}
		}
		return rowendtime.size()
	}

	@Override
	public List<ITransaction> getTransactions() {
		if(!allTransactions)
			allTransactions=generators.transactions.flatten().sort{it.beginTime.value}
		return allTransactions
	}

}