I believe strongly that the indicators are all over the New Testament that Christ was prophesying of the coming destruction of Jerusalem and her temple by Rome, and that it was - in fact - His coming in judgment upon that generation that precipitated Jerusalem's destruction, as we see in His opening of the seven seals in Revelation 5.
Among the evidence for this view - scattered throughout the entire Bible - is the parable of the vineyard Christ tells the chief priests, scribes, and Pharisees in Matthew 21. It is one of the first conversations He has with them shortly after His triumphal entry into Jerusalem for what would be His last, earthly Passover. Here is that parable as Matthew conveys it:
{33} "Listen to another parable. There was a landowner who PLANTED A VINEYARD AND PUT A WALL AROUND IT AND DUG A WINE PRESS IN IT, AND BUILT A TOWER, and rented it out to vine-growers and went on a journey.
{34} "When the harvest time approached, he sent his slaves to the vine-growers to receive his produce.
{35} "The vine-growers took his slaves and beat one, and killed another, and stoned a third.
{36} "Again he sent another group of slaves larger than the first; and they did the same thing to them.
{37} "But afterward he sent his son to them, saying, 'They will respect my son.' {38} "But when the vine-growers saw the son, they said among themselves, 'This is the heir; come, let us kill him and seize his inheritance.'
{39} "They took him, and threw him out of the vineyard and killed him. {40} "Therefore when the owner of the vineyard comes, what will he do to those vine-growers?"
{41} They *said to Him, "He will bring those wretches to a wretched end, and will rent out the vineyard to other vine-growers who will pay him the proceeds at the proper seasons." Matthew 21:33-41 (NASB)
What I had not seen, until recently, (though it had been there all along), is that this parable comes from Isaiah 5, which fully interprets this parable for us!
Here is that passage:
1 Let me sing now for my well-beloved A song of my beloved concerning His vineyard. My well-beloved had a vineyard on a fertile hill.
2 He dug it all around, removed its stones, And planted it with the choicest vine. And He built a tower in the middle of it And also hewed out a wine vat in it; Then He expected it to produce good grapes, But it produced only worthless ones.
3 "And now, O inhabitants of Jerusalem and men of Judah, Judge between Me and My vineyard. 4 "What more was there to do for My vineyard that I have not done in it? Why, when I expected it to produce good grapes did it produce worthless ones?
5 "So now let Me tell you what I am going to do to My vineyard: I will remove its hedge and it will be consumed; I will break down its wall and it will become trampled ground.
6 "I will lay it waste; It will not be pruned or hoed, But briars and thorns will come up. I will also charge the clouds to rain no rain on it."
7 For the vineyard of the Lord of hosts is the house of Israel And the men of Judah His delightful plant. Thus He looked for justice, but behold, bloodshed; For righteousness, but behold, a cry of distress. Isaiah 5:1-7 (NASB)
Isaiah's song of the vineyard was a prophecy of Judah's and Jerusalem's destruction by Babylon. His book begins with these words:
The vision of Isaiah the son of Amoz concerning Judah and Jerusalem, which he saw during the reigns of Uzziah, Jotham, Ahaz and Hezekiah, kings of Judah. Isaiah 1:1 (NASB)
So when Christ recounts Isaiah's song of the vineyard as a parable to His audience, He explains why Jerusalem and Judea will, again, be desolated (noted above) but then adds this:
{42} Jesus *said to them, "Did you never read in the Scriptures, 'THE STONE WHICH THE BUILDERS REJECTED, THIS BECAME THE CHIEF CORNER stone; THIS CAME ABOUT FROM THE LORD, AND IT IS MARVELOUS IN OUR EYES'?
{43} "Therefore I say to you, the kingdom of God will be taken away from you and given to a people, producing the fruit of it.
{44} "And he who falls on this stone will be broken to pieces; but on whomever it falls, it will scatter him like dust."
{45} When the chief priests and the Pharisees heard His parables, they understood that He was speaking about them. Matthew 21:42-45 (NASB)
Finally, Luke's gospel further bears this out:
{41} When He approached Jerusalem, He saw the city and wept over it, {42} saying, "If you had known in this day, even you, the things which make for peace! But now they have been hidden from your eyes.
{43} "For the days will come upon you when your enemies will throw up a barricade against you, and surround you and hem you in on every side,
{44} and they will level you to the ground and your children within you, and they will not leave in you one stone upon another, because you did not recognize the time of your visitation." Luke 19:41-44 (NASB)
The Olivet Discourse, therefore, is not about a future coming of Christ as far as our future is concerned. To us, it speaks of a past event that dealt with the judgment of Jerusalem and Judea for the violence and injustice of the generation that crucified Christ and killed those whom He had sent to them with His gospel (compare Matthew 23:29-38 with II Chronicles 36:11-21.)
Oh, and one more thing: the book of Revelation is a full exposition of the Olivet Discourse. While Matthew gives the Discourse 2 full chapters, John wrote a whole book about it. He was there.